Find a Top Dermatologist Near Me in White Plains, NY – Book an Appointment Instantly

Sahar Y. Naseer, MD, is a talented dermatologist at MDCS Dermatology: Medical Dermatology & Cosmetic Surgery in Smithtown and Hampton Bays, New York. With her extensive background in research, she brings fresh ideas to the table for each of her patients’ treatment plans. A member of the American Academy of Dermatology, she was selected to be a part of the prestigious Alpha Omega Alpha Honor Medical Society due to her skills and achievements.

Dr. Naseer earned her bachelor’s degree in neuroscience at Dartmouth College in Hanover, New Hampshire, where she graduated with honors in 2009. She then moved south to Washington, DC, to attend Georgetown University for her master’s degree in biophysiology. After completing it in just one year, she moved to New York to earn her medical degree through The State University of New York Jacobs School of Medicine and Biomedical Sciences and Buffalo University, where she graduated summa cum laude. 

After finishing her formal education, Dr. Naseer continued training with a pediatric preliminary year at Cohen Children’s Medical Center/Northwell Health in Queens, New York. For her postgraduate year two, she moved back to Buffalo, New York, for a dermatology residency. She continued with another dermatology residency at Brown University Alpert School of Medicine in Providence, Rhode Island.

Dr. Naseer’s many awards and distinguishments across her education, training, and budding career speak for themselves. She earned multiple awards at Buffalo University for her excellence in research and earned the American Medical Women’s Association Glasgow-Rubin Certificate of Commendation. At MDCS, she continues to stand out as an outstanding leader and treats her patients with kindness and compassion.

When she isn’t in the office assessing skin conditions or educating patients on how to care for their skin, Dr. Naseer loves to spend her time traveling, swimming to stay in shape, and improving her cooking skills.

Regina Yavel, MD, FACMS, FAAD is a board certified and fellowship trained Mohs Surgeon, is a graduate of Brown University and SUNY Downstate Medical Center. Dr. Yavel is a Fellow of the American Academy of Dermatology, Dermatology Foundation Leaders Society, American Society of Dermatologic Surgery and American College of Mohs Surgery.

We are excited to welcome Dr. Kalee Shah to MDCS Dermatology! Dr. Shah is double
board-certified in Dermatology and Micrographic Dermatologic Surgery by the American
Board of Dermatology

She grew up in Southern California and graduated as a Presidential and Renaissance
scholar from the University of Southern California. She subsequently moved to New
York to earn her medical degree at Weill Cornell Medical College. During medical school,
she was inducted into the Alpha Omega Alpha honor society and a recipient of the
Glasgow-Rubin Memorial Achievement Award honoring select women for academic
achievement.

Dr. Shah completed her internship at Memorial Sloan Kettering Cancer Center and
her dermatology residency at New York-Presbyterian Weill Cornell Medical Center. In her
final year, she served as Chief Resident. Following residency, she completed
subspecialty fellowship training in Mohs micrographic surgery, cutaneous oncology, and
reconstructive surgery at Memorial Sloan Kettering Cancer Center and Weill Cornell
Medicine. She then became Director of Mohs Micrographic Surgery at
Northwell-Lenox Hill Hospital.

Dr. Shah's primary clinical focus is the management of skin cancers including
squamous cell carcinoma, basal cell carcinoma, early-stage melanoma, and rare
cutaneous tumors. She additionally provides medical, cosmetic, and laser dermatology
services. Dr. Shah lives in New York City with her husband and miniature dachshund, Gus.

Board certifications:

• Dermatology - American Board of Dermatology
• Academic titles
• Assistant Professor, Donald and Barbara Zucker School of Medicine at
  Hofstra/Northwell

Education:

• Weill Cornell Medical College

Residencies:

• New York Hospital Weill Cornell Medical Center

Fellowships:

• Memorial Sloan-Kettering Cancer Center

Noah Gratch, MD, FAAD, a board-certified dermatologist, serves patients from throughout Manhattan, Commack, Hampton Bay and Plainview, NY at MDCS Dermatology: Medical Dermatology & Cosmetic Surgery. He provides a wide variety of treatments for acne, eczema, hyperhidrosis, rosacea, psoriasis, and skin cancer as well as procedures including advanced skin cancer treatment such as Mohs Surgery, sclerotherapy, mole removal and cosmetic dermatology services such as Botox®, fillers, and laser treatments.

Dr. Gratch is a graduate of University of California Los Angeles, University of Southern California and Cornell. Following residency, Dr. Gratch became a Clinical Instructor of Dermatology at the Weill Medical College of Cornell University in New York City. Dr. Gratch is a fellow of the American Academy of Dermatology and the American Society of Dermatologic Surgery. 

Patients benefit from Dr. Gratch’s extensive training and experience in dermatology and cosmetic services. He wants to help each and every patient not only look and feel great but maintain the best possible skin health.

Dr. Gratch and his colleagues at MDCS Dermatology: Medical Dermatology & Cosmetic Surgery are currently welcoming new patients and accept most major forms of insurance.

Dr. Gratch has previously served as a Clinical Instructor of Dermatology at the Weill Medical College of Cornell University. He is also an active contributor in the academic world of dermatology, having overseen numerous research projects in cutaneous diseases with published papers and articles in several scientific journals and books.

Dr. Gratch is a fellow of the American Academy of Dermatology and the American Society of Dermatologic Surgery.

Dr. Sheena Desai is a board-certified dermatologist with expertise in medical, surgical, and cosmetic dermatology. She received her medical degree from Tufts University School of Medicine and completed her dermatology residency at Northwell Health, where she served as Cosmetic Chief Resident. In addition to her MD, Dr. Desai holds an MBA from the Heller School at Brandeis University, providing her with a unique understanding of both patient care and healthcare systems.

Dr. Desai has authored numerous publications in leading dermatology journals and has presented nationally on topics including skin cancer prevention, autoimmune skin conditions, and healthcare policy. Her clinical interests include acne, rosacea, eczema, skin cancer detection and treatment, and minimally invasive aesthetic procedures such as lasers, injectables, and microneedling.

With a warm, thoughtful approach, Dr. Desai is committed to delivering high-quality, personalized care to each of her patients.

She sees patients at MDCS Dermatology in Clifton and Englewood, New Jersey.

Monica Schadlow, MD, FAAD is a board-certified dermatologist at MDCS Dermatology: Medical Dermatology & Cosmetic Surgery, who has been providing general and cosmetic dermatology care to patients of Manhattan since 2001. She has extensive experience in laser hair removal, peels, Botox, Restylane, Juvederm, and numerous other skin enhancement and rejuvenation services.

In addition to her unmatched skill and knowledge, patients praise Dr. Schadlow for her gentle nature and willingness to educate them about their condition.

She stands out for her ability and priority in putting patients at ease during procedures and the personalized attention she brings to all cases.

Dr. Schadlow earned her bachelor’s degree from Swarthmore College, then went on to earn her medical degree from Weill Cornell Medical College. She continued her post-graduate medical training with an internship in internal medicine at St. Vincent’s Hospital and Medical Center in New York City and later served as Chief Resident for her residency at NewYork Presbyterian Hospital. For the past 15 years, Dr. Schadlow has worked in private practice dermatology. She sees patients full-time at MDCS Dermatology: Medical Dermatology & Cosmetic Surgery.

In addition to treating patients, Dr. Schadlow is a contributor to online and print journals. Dr. Schadlow is an officer of the Dermatologic Society of Greater New York, a member of the American Dermatology Board, and is a fellow of the American Academy of Dermatology and the American Society of Dermatologic Surgery. In her free time, she enjoys hanging out with friends and family.

Carolyn Stull, MD, FAAD, is a board-certified dermatologist and fellowship-trained dermatologic surgeon. She treats the full spectrum of dermatologic conditions and specializes in Mohs micrographic surgery, surgical reconstruction following skin cancer removal, and facial aesthetics.

Dr. Stull is originally from Philadelphia and served as an Instructor of Dermatology at the University of Pennsylvania prior to joining MDCS. She earned her undergraduate degree from the University of Miami and her medical degree from Temple University School of Medicine. Dr. Stull completed dermatology residency at Rush University Medical Center in Chicago where she served as chief resident. She subsequently completed a fellowship in Mohs micrographic surgery and dermatologic oncology at the University of Texas M.D. Anderson Cancer Center. During fellowship she trained with experts in the management of rare and advanced skin cancers, complex surgical reconstruction and laser procedures. She also served as a sub-investigator for several clinical trials testing oncolytic viruses and immunotherapies for skin cancer treatment.

Dr. Stull has published numerous articles in peer-reviewed journals including the Journal of the American Academy of Dermatology, JAMA Dermatology and Dermatologic Surgery. She has been an invited speaker at regional and national meetings, and has been awarded grant funding from the University of Pennsylvania Center for Human Appearance and the Pennsylvania Medical Society for medical device innovation. She is a fellow of the American Academy of Dermatology and American Society for Dermatologic Surgery.

Outside of the office Dr. Stull enjoys traveling and spending time with her husband who is plastic surgeon and their daughter.

Lauren Penzi, MD, is an experienced dermatologist with the team at MDCS Dermatology: Medical Dermatology & Cosmetic Surgery. Dr. Penzi welcomes patients at the practice’s locations in Commack, Plainview, and Hampton Bays, New York.

Dr. Penzi completed her bachelor’s degree in biology and mathematical sciences at Loyola University Maryland, where she graduated summa cum laude. She went on to finish her medical degree at New York Medical College in Valhalla, where she was a member of the Alpha Omega Alpha honors society. After graduating, Dr. Penzi completed an internal medicine preliminary internship at NYU Winthrop Hospital in Mineola, New York, before pursuing an alopecia clinical and research fellowship at Massachusetts General Hospital in Boston. She then furthered her training with a dermatology residency at Johns Hopkins Hospital in Baltimore, Maryland.

Dr. Penzi is a member of various academic and professional organizations, including the Phi Beta Kappa Honor Society, American Academy of Dermatology, American Society for Dermatologic Surgery, Society for Pediatric Dermatology, American Society for Laser Medicine & Surgery, and the Women’s Dermatologic Society.

In addition to her clinical training, Dr. Penzi has been published in numerous peer-reviewed medical journals and presented her research findings at various medical conferences and additionally has authored a book chapter on emergency dermatology.

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Dr. Lauren Penzi is a board-certified dermatologist who specializes in medical and cosmetic dermatology. Dr. Penzi’s training and credentials set her apart as a premier dermatologist on Long Island. She attended New York Medical College, where she was admitted to the prestigious Alpha Omega Alpha honor society for graduating in the top 10% of her medical school class. She completed her intern year at NYU Winthrop Hospital and went on to complete her dermatology residency training at the renowned Johns Hopkins Hospital. Additionally, Dr. Penzi also spent a year at Harvard Dermatology for a hair loss fellowship at Massachusetts General Hospital. Throughout her training, Dr. Penzi has made many notable research contributions, and has been published in some of the top dermatology journals including JAMA Dermatology, as well as the Journal of the American Academy of Dermatology. She continues to stay at the forefront of dermatologic education and research in order to provide the best care to her patients.

Dr. Penzi is dedicated to the health and beauty of her patients’ skin. She prioritizes preventative measures to combat both skin cancer and aging. Dr. Penzi treats patients of all ages and has a special interest in acne, rosacea, skin cancer, eczema, psoriasis, and hair loss. She believes in a personalized, comprehensive, and natural approach to cosmetic dermatology. She enjoys performing a wide range of cosmetic procedures including neurotoxins, fillers, platelet rich plasma injections, and cutting-edge laser treatments.

Dr. Penzi was born and raised on Long Island, NY, where she now resides with her husband and son. She is thrilled to be able to practice dermatology in her hometown. Dr. Penzi welcomes patients at the Plainview, Commack, and Hampton Bays locations.

Christos Dimitris Zouzias, MD, MBA, is a board-certified dermatologist and fellowship-trained Mohs Micrographic Surgeon at MDCS Dermatology. Dr. Zouzias specializes in procedural dermatology, skin cancer management, and Mohs micrographic surgery, offering personalized and patient-centered care to ensure the best outcomes for his patients. He serves patients at MDCS Dermatology's Long Island locations, including Commack, Hampton Bays, and Plainview.

Dr. Zouzias earned both his Bachelor of Arts and Doctor of Medicine degrees at New York University (NYU) in New York City. He also holds a Master of Business Administration (MBA) from NYU’s Stern School of Business. Prior to medical school, he completed a student research fellowship in supportive oncodermatology, studying the dermatologic side effects of chemotherapy and radiation therapy under the mentorship of Dr. Beth McLellan, the current chief of dermatology at Montefiore Medical Center.

Following his medical degree, Dr. Zouzias completed his internship in internal medicine at North Shore Long Island Jewish Medical Center and his dermatology residency at Albert Einstein College of Medicine/Montefiore Medical Center, where he was recognized as the Outstanding House Officer for his compassion, clinical excellence, and professional rapport. He further specialized by completing his fellowship training in Mohs Micrographic Surgery at Affiliated Dermatologists and Dermatologic Surgeons in New Jersey.

In his free time, Dr. Zouzias enjoys cooking and spending time with his nieces and nephews.

Sydney Coscia is a dedicated Physician Assistant specializing in dermatology. Sydney earned her Master of Science in Physician Assistant (MSPA) degree from St. John’s University in June 2024, where she built a strong clinical foundation and a deep commitment to patient-centered care.

Her passion for dermatology grew from a desire to help patients feel confident in their own skin, addressing both medical and cosmetic concerns with compassion and expertise. Sydney is particularly drawn to the field’s unique combination of procedural work and long-term patient relationships, which allows her to witness meaningful, lasting improvements in her patients’ health and well-being.

To further her dedication and expertise, Sydney is completing a dermatology fellowship through the Society of Dermatology Physician Assistants (SDPA). She remains committed to continuous learning and providing high-quality, evidence-based care. Known for her approachable demeanor, attentiveness, and warm bedside manner, Sydney is a valued member of our team and is well-respected by her patients.

Dr. Angela Azar is a board-certified dermatologist specializing in pediatric and adult dermatology as well as various cosmetic procedures located in Great Neck and Jackson Heights, New York. Dr. Azar and her team of board-certified providers use the latest technologies and medical research to diagnose and treat various conditions including acne, eczema, hair loss, rosacea, psoriasis, skin allergies, skin cancers, fungal infections, and more.

Dr. Angela Azar and her team take pride in performing various gold standard aesthetic treatments regarding wrinkles, scars, earlobe repairs, laser hair removal, Botox and fillers, as well as radiofrequency microneedling and laser skin resurfacing.
Patients can schedule consultation appointments to express their goals and review treatment plans so that the team can create a custom treatment regimen using the latest advancements in dermatology to address all patients’ concerns, medical history, and expectations.

Dr. Azar’s mindset is simple - ensuring all her patients to look and feel their best in their skin and providing the highest standard of care to all her patients.

Angela Azar, MD, is a skilled and practiced Board-Certified Dermatologist specializing in Aesthetic Dermatology and Pediatric and Adult Dermatology at Angela Azar, MD. Dr. Azar leads her self-named dermatology practice, providing outstanding care for all patients in Great Neck and Jackson Heights, New York.

Education and learning have always been of importance to Dr. Azar. In 1996 she received her Medical Degree from Mount Sinai School of Medicine, now called Icahn School of Medicine at Mount Sinai, located in New York City, New York. 

From 1997 to 2000, Dr. Azar completed an Internship at Montefiore Medical Center (Montefiore Hospital) in the Bronx, New York, and a Dermatology Residency at NY Medical College (NYMC) in Valhalla, New York.

Dr. Azar is a talented Adult and Pediatric Dermatologist and Cosmetic Surgeon who obtained Board Certification from the American Board of Dermatology (ABD). She is affiliated with North Shore University Hospital in Manhasset, New York, and NY Columbia Presbyterian Hospital in Manhattan.

She has been practicing since 2000, giving her years of experience in the field of Cosmetic and Medical Dermatology. 

Dr. Azar and her team specialize in treating a variety of skin disorders, including alopecia and various types of hair loss. She is also skilled in treating skin cancer and performing earlobe repair.

Request a consultation today by calling Angela Azar, MD. Or use the convenient online booking system today.

Board-Certified Dermatologist | Medical, Pediatric & Cosmetic Dermatology

Dr. Vignesh Ramachandran is a board-certified dermatologist at the Skin Institute of New York (SINY®), providing comprehensive dermatologic care for adults and children across Brooklyn and Queens. He treats a wide spectrum of conditions affecting the skin, hair, and nails, combining advanced academic training with compassionate, patient-centered care.

Originally immigrating with his family as a child to a small town in Ontario, Canada, Dr. Ramachandran developed a strong appreciation for hard work, humility, and community. He brings those small-town values to every patient interaction—merging clinical excellence with empathy, honesty, and careful listening.

Patients frequently note his thoughtful bedside manner, clear explanations, and commitment to helping them understand both their diagnosis and treatment options.

Schedule an Appointment with Dr. Ramachandran

Dr. Ramachandran’s academic path reflects exceptional achievement at every stage of his training.

• Presidential Scholar – Dean’s Scholars Honors Program, University of Texas at Austin
• Doctor of Medicine (MD) – Baylor College of Medicine (graduated #1 in his class)
• Inducted into the Alpha Omega Alpha Honor Medical Society and Gold Humanism Honor Society
• Internal Medicine Internship – Texas Health Presbyterian Hospital Dallas
  Awarded Outstanding Intern of the Year
• Dermatology Residency – Ronald O. Perelman Department of Dermatology at New York University

During residency, Dr. Ramachandran became nationally recognized as a three-time “Rising Derm Star.” He also participated in multiple dermatology clinical trials, published more than 100 peer-reviewed research papers, and contributed to national dermatology committees.

He concluded residency by receiving the Irwin M. Freedberg, M.D. Award, recognizing the resident who contributed the most to advancing dermatology within the broader “House of Medicine.”

Dr. Ramachandran provides full-spectrum dermatologic care for adults and children, including medical, surgical, and cosmetic dermatology.

Common conditions and treatments include:

• Acne and acne scarring
• Eczema and psoriasis
• Hair loss and scalp disorders
• Skin cancer screenings and lesion evaluation
• Rosacea and inflammatory skin conditions
• Pediatric dermatology
• Nail disorders
• Cosmetic dermatology and skin rejuvenation
• Preventative skin care and long-term skin health management

His clinical approach focuses on thorough diagnosis, personalized treatment planning, and clear communication, ensuring patients feel confident and informed throughout their care.

In addition to his clinical work at SINY Dermatology, Dr. Ramachandran remains actively involved in academic medicine.

He serves as a Clinical Instructor in the Ronald O. Perelman Department of Dermatology at New York University, where he:

• Teaches dermatology residents
• Conducts hospital consultations
• Participates in dermatology education and clinical training

He also provides inpatient consultations at NYU Langone Hospital—Brooklyn, helping manage complex dermatologic conditions in hospitalized patients.

This ongoing academic involvement allows him to stay closely connected with the latest dermatology research, treatments, and clinical innovations.

Patients consistently describe Dr. Ramachandran as compassionate, attentive, and highly knowledgeable. Many appreciate the time he takes to listen carefully to concerns and explain treatment plans in a clear, reassuring manner.

Dr. Ramachandran sees patients at SINY Dermatology offices in Brooklyn and Queens.

7901 4th Ave Brooklyn, NY 11209

Phone: 800-778-3090

Hours:

• Mon–Thu: 9:00 AM – 8:00 PM
• Fri: 9:00 AM – 6:30 PM
• Sat: 9:00 AM – 3:00 PM
• Sun: 9:00 AM – 2:00 PM

Serving patients from: Bay Ridge, Dyker Heights, Bensonhurst, Sunset Park, Fort Hamilton, Staten Island, and surrounding South Brooklyn communities.

Schedule an Appointment in Bay Ridge

109-33 71st Road, Suite 1F Forest Hills, NY 11375

Phone: 800-778-3090

Hours:

• Mon: 9:00 AM – 8:00 PM
• Tue: 9:00 AM – 7:00 PM
• Wed–Thu: 8:00 AM – 8:00 PM
• Fri: 9:00 AM – 7:00 PM
• Sat: 9:00 AM – 5:00 PM
• Sun: 10:00 AM – 3:00 PM

Serving patients from: Forest Hills, Rego Park, Kew Gardens, Flushing, Jamaica, Richmond Hill, Elmhurst, Corona, Middle Village, and surrounding Queens communities.

Schedule an Appointment in Forest Hills

Dr. Ramachandran accepts many major insurance plans commonly used across New York, including:

• Aetna
• Anthem Blue Cross Blue Shield / Empire Blue Cross Blue Shield
• Blue Cross Blue Shield
• Cigna
• UnitedHealthcare & Oxford
• EmblemHealth (GHI / HIP)
• Healthfirst (NY)
• Medicare
• Fidelis Care (NY)
• Humana
• MagnaCare
• Multiplan PHCS
• Oscar Health
• 1199SEIU

Additional plans may also be accepted. Patients are encouraged to confirm coverage prior to scheduling.

The Skin Institute of New York (SINY®) is a leading dermatology group providing medical, surgical, and cosmetic dermatology services across New York City and Long Island. SINY physicians combine advanced clinical training, academic excellence, and patient-centered care to deliver individualized, evidence-based treatment for every patient.

Book Online

Sherry H. Hsiung, MD, is a board-certified dermatologic surgeon at the Skin Institute of New York (SINY®). Dr. Hsiung also practices general and cosmetic dermatology at SINY’s® three New York City–area offices, in the city’s West Village and in the Bay Ridge and Park Slope areas of Brooklyn, New York.

At the Massachusetts Institute of Technology in Cambridge, Massachusetts, Dr. Hsiung earned undergraduate degrees in both biology and chemical engineering, graduating with honors. While earning her medical degree from the University of Pennsylvania Medical School in Philadelphia, she was a member of the prestigious Alpha Omega Alpha Honor Medical Society. She then completed her residency in dermatology at New York University School of Medicine in New York City, serving as chief resident.

Dr. Hsiung retains active memberships in the American Academy of Dermatology and the American Society of Dermatologic Surgery, and she has lectured on dermatology topics at local and national conferences. She serves as a medical editor for the Journal of Drugs in Dermatology and is a consultant for the Kiehl’s Dermatology Advisory Board.

As a crucial part of the SINY® medical team, Dr. Hsiung specializes in Mohs Micrographic Surgery, a surgical technique used to treat skin cancer, focused on removing all of the cancer cells while preserving the healthy tissue in sensitive areas such as the face, hands, feet or genitals. She completed a prestigious fellowship in Mohs surgery with Dr. Perry Robins at NYU, and she is an active member of the American College of Mohs Surgery. Dr. Hsiung’s surgical expertise ranges from the simplest excisions to the most extensive skin cancer surgeries and repairs.

Board-Certified Physician Assistant | Medical & Cosmetic Dermatology

Allison Jaekle, M.S., RPA-C, is a board-certified physician assistant specializing in medical and cosmetic dermatology at the Skin Institute of New York (SINY®). Born and raised on Long Island, Allison brings a strong academic foundation, advanced clinical training, and a patient-centered approach to every visit.

Her goal is to restore and enhance the skin’s natural beauty through individualized care plans tailored to each patient’s unique needs.

Schedule an Appointment with Allison Jaekle

Allison’s education reflects both academic excellence and leadership achievement:

• Bachelor’s Degree in History (Public Health Concentration) – Binghamton University
• Bachelor of Science in Health Sciences – Touro College
• Master in Physician Assistant Studies – Touro College

Upon graduation, Allison received the Leadership Award, Academic Achievement Award, and Clinical Achievement Award, recognizing her excellence in scholarship, patient care, and leadership.

She is a board-certified physician assistant and remains actively engaged in continuing education to stay at the forefront of dermatologic advancements.

Allison provides comprehensive dermatologic care with expertise in:

• Medical dermatology
• Cosmetic dermatology
• Skin cancer screenings
• Acne and inflammatory skin conditions
• Preventative skin care
• Aesthetic treatment planning

Her approach prioritizes collaboration and education. Patients consistently note that she takes the time to listen, thoroughly explain treatment options, and ensure they feel confident in their care decisions.

Allison is an active member of:

• American Academy of Physician Assistants
• New York State Society of Physician Assistants
• Society for Dermatology Physician Assistants

Her professional involvement reflects her commitment to maintaining the highest standards of dermatologic care.

Patients frequently describe Allison as professional, thorough, compassionate, and easy to talk to. Many highlight how she spends ample time answering questions, explaining diagnoses and procedures clearly, and creating collaborative treatment plans.

Patients also praise the attentive and friendly SINY team, efficient appointment scheduling, and the feeling of being truly seen and heard during each visit.

Allison Jaekle sees patients at multiple SINY Dermatology locations, providing accessible care across Brooklyn and Long Island.

7901 4th Ave, Brooklyn, NY 11209

Phone: 800-778-3090

Hours:

• Mon-Thu: 9:00 AM – 8:00 PM
• Fri: 9:00 AM – 6:30 PM
• Sat: 9:00 AM – 3:00 PM
• Sun: 9:00 AM – 2:00 PM

Serving patients from: Bay Ridge, Dyker Heights, Bensonhurst, Sunset Park, Fort Hamilton, Staten Island, and surrounding South Brooklyn communities.

Schedule an Appointment at Bay Ridge

56850 Main Rd, Southold, NY 11971

Phone: 800-778-3090

Hours:

• Mon: Closed
• Tue-Wed: 9:00 AM – 8:00 PM
• Thu: 9:00 AM – 7:00 PM
• Fri: Closed
• Sat: 9:00 AM – 3:00 PM
• Sun: Closed

Serving patients from: Southold, Greenport, Mattituck, Cutchogue, Orient, Riverhead, and North Fork Long Island communities

Schedule an Appointment at Southold

83A Grand Ave, Massapequa, NY 11758

Phone: 800-778-3090

Hours:

• Mon: 9:00 AM – 5:00 PM
• Tue: 12:00 PM – 8:00 PM
• Wed: Closed
• Thu: 9:00 AM – 5:00 PM
• Fri: 9:00 AM – 5:00 PM
• Sat: By appointment
• Sun: Closed

Serving patients from: Massapequa, Massapequa Park, Seaford, Wantagh, Bellmore, Amityville, Farmingdale, and surrounding Long Island communities.

Schedule an Appointment at Massapequa

Allison Jaekle accepts a wide range of major insurance plans, including:

• Aetna
• Anthem Blue Cross Blue Shield / Empire Blue Cross Blue Shield
• Blue Cross Blue Shield (including Federal Employee Program)
• Cigna & Cigna-HealthSpring
• UnitedHealthcare & Oxford
• EmblemHealth (GHI)
• Healthfirst (NY)
• Medicare
• Fidelis Care (NY)
• Humana
• MagnaCare
• MetroPlus Health Plan
• Oscar Health
• 1199SEIU
• Surest Health Plans

Additional plans accepted. Patients are encouraged to contact SINY Dermatology to confirm coverage prior to their visit.

The Skin Institute of New York is a leading dermatology group providing medical, surgical, and cosmetic dermatology services across New York. SINY Dermatology physicians combine academic excellence, clinical research, and patient-focused care to deliver advanced skin treatments tailored to each individual.

Board-Certified Dermatologist | Medical, Pediatric & Cosmetic Dermatology

Dr. Regina Zambrano DiFiore is a board-certified dermatologist at the Skin Institute of New York (SINY®), providing comprehensive dermatologic care at the Massapequa, Long Island location. Born and raised on the South Shore of Long Island, Dr. Zambrano DiFiore is proud to serve the community she calls home, caring for patients of all ages with a compassionate, highly personalized approach.

She is trained in medical, pediatric, and cosmetic dermatology, with advanced experience treating all skin types. Patients appreciate her thorough evaluations, clear communication, and commitment to developing treatment plans that align with each individual’s needs and goals.

Schedule an Appointment with Dr. Zambrano DiFiore

Dr. Zambrano DiFiore’s academic excellence and leadership background reflect her dedication to high-quality, evidence-based dermatologic care:

• Bachelor of Science in Biology (Honors) – Stony Brook University
  Specialization: Developmental Genetics
• Doctor of Osteopathic Medicine (DO) – Nova Southeastern University, Fort Lauderdale, FL
• Master of Public Health (MPH) – Nova Southeastern University
• Internship & Dermatology Residency – St. John’s Episcopal Hospital
  Chief Resident, Final Year

Her dual medical and public health training allows Dr. Zambrano DiFiore to approach dermatology with a broad, patient-centered perspective that emphasizes both treatment and long-term skin health.

Dr. Zambrano DiFiore provides comprehensive care for conditions affecting the skin, hair, and nails, including both common and complex dermatologic concerns. Her areas of focus include:

• Medical dermatology for acute and chronic skin conditions
• Pediatric dermatology
• Skin cancer screening and early detection
• Hair and scalp disorders
• Nail conditions
• Cosmetic dermatology, including:
• Neurotoxins (Botox® and similar treatments)
• Dermal fillers

With a thoughtful, minimalistic approach to aesthetics, she focuses on enhancing her patients’ natural beauty—creating treatment plans that are subtle, balanced, and tailored to individual goals. Her philosophy centers on helping patients look refreshed, confident, and like the best version of themselves.

Dr. Zambrano DiFiore is deeply committed to building long-term relationships with her patients. She strives to create an approachable, supportive environment where patients feel heard, respected, and actively involved in their care.

She is passionate about patient education, empowering individuals to understand their conditions and treatment options so they can confidently participate in their dermatologic journey. Dr. Zambrano DiFiore remains actively engaged with the latest advancements in dermatology to ensure her patients receive safe, effective, and innovative care.

Patients consistently describe Dr. Zambrano DiFiore as attentive, knowledgeable, and genuinely caring. Many highlight her ability to listen closely, explain treatment options clearly, and follow up personally to ensure optimal outcomes.

Dr. Zambrano DiFiore sees patients at the SINY Dermatology Massapequa office, serving families and individuals throughout the South Shore of Long Island.

83A Grand Ave, Massapequa, NY 11758

Phone: 800-778-3090

Hours:

• Mon, Thu & Fri: 9:00 AM – 5:00 PM
• Tue: 12:00 PM – 8:00 PM
• Wed: Closed
• Sat: By appointment
• Sun: Closed

Serving patients from: Massapequa, Massapequa Park, Seaford, Wantagh, Bellmore, Amityville, Farmingdale, and surrounding Long Island communities.

Schedule an Appointment at Massapequa

Dr. Zambrano DiFiore accepts many major insurance plans commonly used throughout Long Island and New York, including:

• Aetna
• Anthem Blue Cross Blue Shield / Empire Blue Cross Blue Shield
• Blue Cross Blue Shield
• Cigna & Cigna-HealthSpring
• UnitedHealthcare & Oxford
• EmblemHealth (GHI)
• Healthfirst (NY)
• Medicare
• Humana
• Fidelis Care (NY)
• AvMed
• 1199SEIU
• Multiplan PHCS

Additional plans may be accepted. Please contact SINY Dermatology to confirm coverage prior to your visit.

The Skin Institute of New York (SINY®) is a leading dermatology group providing medical, surgical, and cosmetic dermatology services across New York. SINY Dermatology physicians combine academic excellence, advanced clinical training, and patient-focused care to deliver high-quality, individualized treatment for every patient.

Board-Certified Dermatologist | Medical & Cosmetic Dermatology

Lisa M. Gruson is a board-certified dermatologist at the Skin Institute of New York (SINY®), where she specializes in medical dermatology, cosmetic dermatology, and advanced laser procedures. She treats adult patients across multiple SINY® locations in New York City and Brooklyn.

Dr. Gruson is known for her thorough approach, clear communication, and patient-focused care, helping patients achieve healthier skin through personalized treatment plans. She has particular expertise in skin allergies and contact dermatitis, along with the diagnosis and management of a wide range of skin conditions.

Patients appreciate her ability to explain treatment options clearly and take the time to answer questions, ensuring every patient feels confident in their care.

Schedule an Appointment with Dr. Gruson

Dr. Gruson completed her undergraduate studies at the University of Michigan in Ann Arbor, graduating with Phi Beta Kappa honors.

She went on to earn her medical degree from the NYU Grossman School of Medicine, where she received the prestigious Marion B. Sulzberger Dermatology Award and was inducted into the Alpha Omega Alpha Honor Medical Society.

Dr. Gruson completed her dermatology residency at NYU Medical Center, serving as Chief Resident and receiving the Morris Leider Award for Excellence in Dermatology.

In addition to her clinical work, Dr. Gruson is a Clinical Assistant Professor of Dermatology at NYU School of Medicine, where she teaches dermatology residents and mentors medical students considering careers in dermatology.

She is a Fellow of the American Academy of Dermatology and an active member of several professional organizations, including:

• New York State Medical Society
• American Contact Dermatitis Society
• Dermatologic Society of Greater New York

Dr. Gruson has also conducted dermatology research and published scholarly articles, particularly focused on skin allergies and contact dermatitis, and has presented her work at national dermatology conferences.

Dr. Gruson provides comprehensive dermatology care, including:

Medical Dermatology

• Acne and acne scarring
• Eczema and dermatitis
• Psoriasis
• Skin allergy testing and treatment
• Skin infections
• Skin cancer screenings and evaluation of suspicious moles

Cosmetic Dermatology

• Laser skin treatments
• Skin rejuvenation procedures
• Treatment for sun damage and pigmentation concerns

Patients consistently praise Lisa M. Gruson for her thorough, attentive approach and clear communication. Many patients note that she takes the time to carefully listen to their concerns, explain diagnoses and treatment options, and ensure they feel comfortable and informed throughout their visit. Her ability to balance efficiency with a thoughtful bedside manner helps patients feel well cared for while keeping appointments running smoothly.

Dr. Gruson sees patients at multiple Skin Institute of New York offices.

7901 4th Ave, Brooklyn, NY 11209

Phone: 800-778-3090

Hours:

• Mon-Thu: 9:00 AM – 8:00 PM
• Fri: 9:00 AM – 6:30 PM
• Sat: 9:00 AM – 3:00 PM
• Sun: 9:00 AM – 2:00 PM

Serving patients from: Bay Ridge, Dyker Heights, Bensonhurst, Sunset Park, Fort Hamilton, Staten Island, and surrounding South Brooklyn communities.

Schedule an Appointment at Bay Ridge

69 E 76th St, New York, NY 10021

Phone: 800-778-3090

Hours:

• Mon: 9:00 AM – 5:00 PM
• Tue–Thu: 9:00 AM – 8:00 PM
• Fri: 8:00 AM – 4:00 PM
• Sat–Sun: Closed

Serving patients from: Upper East Side, Lenox Hill, Carnegie Hill, Yorkville, Midtown East, Roosevelt Island, Upper West Side, East Harlem, and surrounding Manhattan communities.

Schedule an Appointment on the Upper East Side

Dr. Gruson accepts many major insurance providers, including:

• Aetna
• Anthem Blue Cross Blue Shield
• Blue Cross Blue Shield
• Cigna
• EmblemHealth
• Empire Blue Cross Blue Shield
• HealthFirst (NY)
• UnitedHealthcare
• UnitedHealthcare Oxford
• Fidelis Care (NY)
• Humana
• Medicare
• Multiplan PHCS
• 1199SEIU

Patients should contact the office to confirm coverage for their specific plan.

The Skin Institute of New York (SINY®) is a leading dermatology group providing medical, surgical, and cosmetic dermatology services across New York City and Long Island. SINY physicians combine advanced clinical training, academic excellence, and patient-centered care to deliver individualized, evidence-based treatment for every patient.

Board-Certified Dermatologist | Medical, Pediatric & Cosmetic Dermatology Specialist

Dr. Costner McKenzie is a board-certified dermatologist at the Skin Institute of New York (SINY®), providing comprehensive dermatologic care to adult and pediatric patients in Manhattan. With expertise in both medical and cosmetic dermatology, Dr. McKenzie combines academic excellence, research leadership, and compassionate patient care to deliver individualized, evidence-based treatment plans.

Schedule an Appointment with Dr. McKenzie

Dr. McKenzie’s academic and clinical training reflect a deep commitment to excellence:

• Bachelor’s Degree in Human Biology – Stanford University
• Doctor of Medicine (MD) – Northwestern University Feinberg School of Medicine
• Inducted into the prestigious Alpha Omega Alpha Honor Medical Society
• Dermatology Residency (Chief Resident) – New York University

At Northwestern, Dr. McKenzie’s academic performance and dedication to medicine earned him membership in Alpha Omega Alpha, recognizing exceptional academic achievement and professionalism. During residency at NYU, he refined his diagnostic, surgical, and cosmetic skills under nationally recognized leaders in dermatology and served as Chief Resident in his final year.

Dr. McKenzie provides comprehensive dermatologic care with special focus on:

• Eczema and inflammatory skin disorders
• Acne and acne scarring
• Hair loss and scalp conditions
• Skin cancer screening and prevention
• Cosmetic dermatology and injectables
• Pediatric dermatology

His clinical and research interests also include health disparities in dermatology, reflecting his commitment to equitable and inclusive skin care for patients of all backgrounds

Dr. McKenzie is known for combining scientific rigor with a highly personalized approach, ensuring each patient feels heard, supported, and confident in their treatment plan.

Dr. McKenzie is a well-published author with research featured in respected dermatology journals. He has presented his work at national and international meetings, contributing to advancements in the understanding and treatment of eczema, acne, hair loss, and dermatologic health disparities

He remains actively involved in medical education and is committed to mentoring and training future dermatologists.

• Active Member, American Academy of Dermatology
• Contributor to peer-reviewed dermatology literature
• National and international presenter

Patients consistently describe Dr. McKenzie as personable, knowledgeable, and exceptionally attentive. Many highlight his outstanding bedside manner, noting that they never feel rushed and always feel fully heard. He is frequently praised for clearly explaining diagnoses and treatment options, providing structured care plans, and ensuring patients leave feeling confident and informed.

Patients also commend the professionalism and friendliness of the SINY team, efficient scheduling, and welcoming office environment

Patients consistently describe Dr. McKenzie as personable, knowledgeable, and exceptionally attentive. Many highlight his outstanding bedside manner, noting that they never feel rushed and always feel fully heard. He is frequently praised for clearly explaining diagnoses and treatment options, providing structured care plans, and ensuring patients leave feeling confident and informed.

Patients also commend the professionalism and friendliness of the SINY team, efficient scheduling, and welcoming office environment.

Dr. McKenzie sees patients at two SINY Dermatology locations in Manhattan, offering convenient access to expert dermatologic care.

69 E 76th St, New York, NY 10021

Phone: 800-778-3090

Hours:

• Mon: 9:00 AM – 5:00 PM
• Tue-Thu: 9:00 AM – 8:00 PM
• ri: 8:00 AM – 4:00 PM
• Sat-Sun: Closed

Serving patients from: Upper East Side, Lenox Hill, Carnegie Hill, Yorkville, Midtown East, Roosevelt Island, Upper West Side, East Harlem, and surrounding Manhattan communities.

Schedule an Appointment at Upper East Side

1000 Park Ave, New York, NY 10028

Phone:800-778-3090

Hours:

• on-Tue: 9:00 AM – 5:00 PM
• Wed: 12:00 PM – 8:00 PM
• Thu: 9:00 AM – 5:00 PM
• Fri: Closed
• Sat: 10:00 AM – 3:00 PM
• Sun: Closed

Serving patients from: Upper East Side, Carnegie Hill, Lenox Hill, Yorkville, Midtown East, Central Park East, and surrounding Manhattan neighborhoods.

Schedule an Appointment at Park Avenue

Dr. McKenzie accepts a wide range of major insurance plans, including:

• Aetna
• Anthem Blue Cross Blue Shield / Empire Blue Cross Blue Shield
• Blue Cross Blue Shield (including Federal Employee Program)
• Cigna & Cigna-HealthSpring
• UnitedHealthcare & Oxford
• EmblemHealth (GHI)
• Healthfirst (NY)
• Medicare
• Fidelis Care (NY)
• Humana
• Oscar Health
• MetroPlus Health Plan
• MagnaCare
• 1199SEIU

Additional plans accepted. Patients are encouraged to contact SINY Dermatology to confirm coverage prior to their visit.

The Skin Institute of New York is a leading dermatology group providing medical, surgical, and cosmetic dermatology services across New York. SINY Dermatology physicians combine academic excellence, clinical research, and patient-focused care to deliver advanced skin treatments tailored to each individual.