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Michael Tassavor, MD, MS, is a board-certified dermatologist and attending physician at MDCS: Medical Dermatology and Cosmetic Surgery with offices in the Midtown East and Upper East Side neighborhoods of New York City, as well as Smithtown, Commack, Hampton Bays, and Plainview, New York, and Clifton, Marlboro, and Englewood, New Jersey. 

Dr. Tassavor provides medical and cosmetic dermatology care and performs highly specialized Mohs surgery to treat skin cancer.

After earning his Bachelor of Science in molecular and cell biology at the University of Connecticut (UConn) in Storrs, Connecticut, Dr. Tassavor completed a Master of Science in biomedical sciences at Tufts University in Boston, Massachusetts.

He continued his schooling at the UConn School of Medicine in Farmington, Connecticut, earning his Doctor of Medicine. He completed a one-year medical internship at Tufts Medical Center in Boston before relocating to New York City for his dermatology residency at Icahn School of Medicine at Mount Sinai. 

Then, Dr. Tassavor completed his micrographic surgery and dermatologic oncology fellowship training with Brett Coldiron, MD, in Cincinnati, Ohio. 

Dr. Tassavor is a fellow of the American Academy of Dermatology (AAD), a resident member of the New York State Society of Dermatology and Dermatologic Surgery (NYSSDDS), and on the coding and reimbursement committee of the AAD.

Dedicated to his profession, Dr. Tassavor has published multiple scientific studies in peer-reviewed journals and authored a chapter in a dermatological surgery book.

While in school, Dr. Tassavor gained an interest in working with underserved and vulnerable individuals and continues to use his skills as a physician to provide expert care to those in need.

Toral Vaidya, MD, MPH, is a dermatologist serving New York City patients on the Upper East Side and Midtown Manhattan at MDCS Dermatology. She performs a wide variety of medical, cosmetic, and surgical dermatology services. 

Dr. Vaidya completed her undergraduate and graduate education at the University of Cincinnati in the BS/MD Dual Admissions Program in Medicine. She earned her MD and Master’s in Public Health from the University of Cincinnati College of Medicine. During medical school, Dr. Vaidya was selected for a prestigious clinical research fellowship in dermatology at Memorial Sloan Kettering Cancer Center, where she conducted studies in oncodermatology and procedural dermatology. She graduated at the top of her class with a Distinction in Dermatology. She then completed her internship in Internal Medicine at Mount Sinai Hospital and her residency in Dermatology at New York Presbyterian Hospital/Weill Cornell Medical Center. 

Throughout her training, she developed a keen interest in skincare, skin of color, and cosmetic dermatology. She has authored over 20 scientific publications in prominent dermatology journals and has presented her work at national and international meetings. She is a member of several professional organizations, including the Skin of Color Society, the American Society for Dermatologic Surgery, and the American Society for Laser Medicine and Surgery. 

Dr. Vaidya is a media expert who regularly writes for and contributes to medical and beauty publications, including Medscape Dermatology, US News and World Report, and Byrdie Beauty. Additionally, she pursued an elective in medical journalism at the ABC News Medical Unit, where she helped produce medical segments for Good Morning America and wrote digital articles. 

Dr. Vaidya's interests in aesthetics and procedural dermatology are complemented by her certification in Fashion Design and Garment Construction from Parsons School of Design in New York City. In her free time, she enjoys traveling and exploring the arts.

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.

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.

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.

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As a double board-certified physician, William T. Long, MD, FAAD, is a trusted expert in all aspects of dermatology. With over three decades in practice, Dr. Long is an in-demand practitioner at Manhattan Dermatology’s two locations in Murray Hill and Midtown East, New York City.

After earning his doctor of medicine degree from Georgetown University School of Medicine in Washington, DC, Dr. Long relocated to New York City for his postgraduate training. He went through both his internship and internal medicine residency at Mount Sinai Hospital. Dr. Long completed a second residency, specializing in dermatology, at the New York University (NYU) Langone Medical Center, which is one of the premier dermatology programs in the United States.

To ensure he’s always up-to-date in the latest medical advancements, Dr. Long maintains his fellowship with the American Academy of Dermatology, as well as his membership with the American Society for Dermatologic Surgery. Dr. Long is board certified through the American Board of Internal Medicine and the American Board of Dermatology.

When Dr. Long is away from the clinic, he teaches residents and medical students at the NYU School of Medicine. He’s served as a professor at NYU for over 30 years. Dr. Long’s daughter, Dr. Wendy Long, works alongside him at the clinic.

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Dr. Gilman is often consulted by local and national print and television media for her expert opinion on medical advancements in dermatology and new aesthetic trends and procedures. She has appeared on MSNBC, Fox News, and the Dr. Oz Show and has been quoted in numerous regional and national publications.

Taking an individual approach with every patient, Dr. Gilman integrates each person’s needs in the context of his or her life and lifestyle. Dr. Gilman is known for her artistic eye and meticulous attention to detail, which allows her to provide her patients with natural-looking results. With a thorough understanding of the complex processes involved in skin aging and the numerous treatments available on the market today, Dr. Gilman customizes treatments for each individual patient. 

Dr. Gilman is looking forward to returning to her native New York City. She enjoys spending time with family, French language, reading, and fitness. 

As a board-certified physician and fellowship-trained Mohs micrographic surgeon, Wendy Long Mitchell, MD, FAAD, FACMS, is a leader in the field of dermatology. Dr. Wendy Long offers preventive care and comprehensive treatments at Manhattan Dermatology’s two locations in Murray Hill and Midtown East, New York City.

Being raised by a dermatologist — her father, William T. Long, FD, FAAD, also works at the clinic — Dr. Wendy Long knew she would follow in her father’s footsteps. After graduating from the Honors College at the University of Michigan with Phi Beta Kappa National Honor Society membership, Dr. Wendy Long was accepted into medical school.

She earned her doctor of medicine degree from New York University (NYU). During medical school, Dr. Wendy Long published the public education book entitled “Coping with Melanoma and Other Skin Cancers.”

Dr. Wendy Long went on to finish an internal medicine internship, followed up by a dermatology residency at the University of Michigan. Throughout her residency, she was an integral part of the treatment of melanomas, from diagnosis through treatment, in one of the largest multidisciplinary melanoma care centers in the world.

Shortly after completing her residency, Dr. Wendy Long was accepted into a prestigious fellowship program in Mohs micrographic surgery and cosmetic laser surgery. This advanced training allows Dr. Wendy Long to provide the highest cure rate in treating skin cancer while achieving optimal aesthetic results.

Dr. Wendy Long currently serves as a clinical assistant professor at NYU’s Langone Medical Center, which is one of the premier dermatology programs in the United States. She’s a fellow of the American Academy of Dermatology and a member of the American Society for Dermatologic Surgery. Dr. Wendy Long is also board certified by the American Board of Internal Medicine.

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We are happy to welcome Michelle Levy, MD to Manhattan Dermatology. She is a board-certified dermatologist who specializes in medical, cosmetic and surgical dermatology, and treats both adults and children.

Dr. Levy is originally from Toronto, Canada. She completed both her medical training and dermatology residency at the University of Toronto, graduating with honors. During her schooling and dermatology training, Dr. Levy was the recipient of numerous awards for both academic excellence and for research and was selected by her program to serve as Chief Resident during her final year of training.

In addition to her residency, Dr. Levy has received advanced training in the non-invasive diagnosis of skin cancer from Memorial Sloan Kettering Cancer Center. She is board-certified by both the American Board of Dermatology and the Royal College of Physicians and Surgeons of Canada.

Dr. Levy is a sought-after speaker and educator and has taught dermatology to many physicians in training. As part of her commitment to education, she serves as a clinical instructor at NYU’s Department of Dermatology. Dr. Levy’s interests include skin cancer detection and the treatment of acne and psoriasis.

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As a double board-certified physician, William T. Long, MD, FAAD, is a trusted expert in all aspects of dermatology. With over three decades in practice, Dr. Long is an in-demand practitioner at Manhattan Dermatology’s two locations in Murray Hill and Midtown East, New York City.

After earning his doctor of medicine degree from Georgetown University School of Medicine in Washington, DC, Dr. Long relocated to New York City for his postgraduate training. He went through both his internship and internal medicine residency at Mount Sinai Hospital. Dr. Long completed a second residency, specializing in dermatology, at the New York University (NYU) Langone Medical Center, which is one of the premier dermatology programs in the United States.

To ensure he’s always up-to-date in the latest medical advancements, Dr. Long maintains his fellowship with the American Academy of Dermatology, as well as his membership with the American Society for Dermatologic Surgery. Dr. Long is board certified through the American Board of Internal Medicine and the American Board of Dermatology.

When Dr. Long is away from the clinic, he teaches residents and medical students at the NYU School of Medicine. He’s served as a professor at NYU for over 30 years. Dr. Long’s daughter, Dr. Wendy Long, works alongside him at the clinic.

Additional Testimonials

Dr. Gilman is often consulted by local and national print and television media for her expert opinion on medical advancements in dermatology and new aesthetic trends and procedures. She has appeared on MSNBC, Fox News, and the Dr. Oz Show and has been quoted in numerous regional and national publications.

Taking an individual approach with every patient, Dr. Gilman integrates each person’s needs in the context of his or her life and lifestyle. Dr. Gilman is known for her artistic eye and meticulous attention to detail, which allows her to provide her patients with natural-looking results. With a thorough understanding of the complex processes involved in skin aging and the numerous treatments available on the market today, Dr. Gilman customizes treatments for each individual patient. 

Dr. Gilman is looking forward to returning to her native New York City. She enjoys spending time with family, French language, reading, and fitness. 

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We are happy to welcome Michelle Levy, MD to Manhattan Dermatology. She is a board-certified dermatologist who specializes in medical, cosmetic and surgical dermatology, and treats both adults and children.

Dr. Levy is originally from Toronto, Canada. She completed both her medical training and dermatology residency at the University of Toronto, graduating with honors. During her schooling and dermatology training, Dr. Levy was the recipient of numerous awards for both academic excellence and for research and was selected by her program to serve as Chief Resident during her final year of training.

In addition to her residency, Dr. Levy has received advanced training in the non-invasive diagnosis of skin cancer from Memorial Sloan Kettering Cancer Center. She is board-certified by both the American Board of Dermatology and the Royal College of Physicians and Surgeons of Canada.

Dr. Levy is a sought-after speaker and educator and has taught dermatology to many physicians in training. As part of her commitment to education, she serves as a clinical instructor at NYU’s Department of Dermatology. Dr. Levy’s interests include skin cancer detection and the treatment of acne and psoriasis.

As a board-certified physician and fellowship-trained Mohs micrographic surgeon, Wendy Long Mitchell, MD, FAAD, FACMS, is a leader in the field of dermatology. Dr. Wendy Long offers preventive care and comprehensive treatments at Manhattan Dermatology’s two locations in Murray Hill and Midtown East, New York City.

Being raised by a dermatologist — her father, William T. Long, FD, FAAD, also works at the clinic — Dr. Wendy Long knew she would follow in her father’s footsteps. After graduating from the Honors College at the University of Michigan with Phi Beta Kappa National Honor Society membership, Dr. Wendy Long was accepted into medical school.

She earned her doctor of medicine degree from New York University (NYU). During medical school, Dr. Wendy Long published the public education book entitled “Coping with Melanoma and Other Skin Cancers.”

Dr. Wendy Long went on to finish an internal medicine internship, followed up by a dermatology residency at the University of Michigan. Throughout her residency, she was an integral part of the treatment of melanomas, from diagnosis through treatment, in one of the largest multidisciplinary melanoma care centers in the world.

Shortly after completing her residency, Dr. Wendy Long was accepted into a prestigious fellowship program in Mohs micrographic surgery and cosmetic laser surgery. This advanced training allows Dr. Wendy Long to provide the highest cure rate in treating skin cancer while achieving optimal aesthetic results.

Dr. Wendy Long currently serves as a clinical assistant professor at NYU’s Langone Medical Center, which is one of the premier dermatology programs in the United States. She’s a fellow of the American Academy of Dermatology and a member of the American Society for Dermatologic Surgery. Dr. Wendy Long is also board certified by the American Board of Internal Medicine.

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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.

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.

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Dr. Ezra Hazan is a board certified dermatologist and fellowship trained Mohs surgeon. He graduated with honors from Jefferson Medical College in Philadelphia, PA. Dr. Hazan went on to do an internship in internal medicine at Maimonides Medical Center in Brooklyn, NY. He then completed his dermatology residency at Thomas Jefferson University Hospital and fellowship in Mohs micrographic surgery and cosmetic dermatology at Mount Sinai Hospital. There he gained extensive knowledge and experience in procedural dermatology, including surgery of the skin as well as advanced cosmetic procedures like injectables, lasers and light based technologies.

Dr. Hazan is on staff at Mount Sinai Hospital, where he helps train dermatology residents, and at Penn Medicine Princeton Medical Center. He has published many academic journal articles and authored multiple textbook chapters on various topics in the field of dermatology. Dr. Hazan is a member of the American Academy of Dermatology, American Society for Dermatologic Surgery and American College of Mohs Surgery. He is passionate about the management and treatment of skin cancers, as well as cosmetic treatments and general dermatologic conditions. He strives to provide personalized quality care to all of his patients.

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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.