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

Education & Training

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.

Academic & Professional Leadership

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.

Clinical Expertise

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

Patient Experience & Satisfaction

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.

Convenient Locations in New York

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

Bay Ridge, Brooklyn

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

Upper East Side

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

Accepted Insurance Plans

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.

About SINY Dermatology (Skin Institute of New York)

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.

George Glinos, MD, is a board-certified dermatologist serving patients at Dermatology of Miami in Miami and Miami Lakes, Florida. As a Fellow of the American Academy of Dermatology, he brings extensive experience in diagnosing and treating a wide range of skin conditions, including acne, eczema, psoriasis, alopecia, and skin cancer. Dr. Glinos also offers advanced cosmetic dermatology services, including Botox®, dermal fillers, and laser treatments.

Originally from Orlando, Dr. Glinos earned his undergraduate degree in biology from the University of Florida before completing his medical degree at the University of Miami Miller School of Medicine. He was inducted into the Alpha Omega Alpha Medical Honor Society and completed a prestigious research fellowship focused on chronic wound care. His postgraduate training includes an internal medicine internship at Jackson Memorial Hospital and a dermatology residency at the University of South Florida Morsani College of Medicine.

Throughout his career, Dr. Glinos has contributed to 11 peer-reviewed journal articles and several book chapters and has presented his work at national conferences. He is committed to staying at the forefront of dermatologic innovation and patient care.

Whether you’re seeking relief from a chronic skin condition or exploring cosmetic skin treatments, Dr. Glinos offers personalized, evidence-based care to help you look and feel your best.

Nadia is a board-certified Family Nurse Practitioner with a passion for providing quality, compassionate care. With a background in nursing and advanced clinical training, she helps patients manage both everyday health concerns and long-term conditions.

Born and raised in upstate New York, Nadia earned her Bachelor of Science in Nursing (BSN) from St. John Fisher College of Nursing. She then moved to Florida and earned her Master of Science in Nursing (MSN) from Keiser University and holds certification from the American Nurses Credentialing Center (ANCC).

Before becoming a nurse practitioner, she gained valuable experience working as a registered nurse in dermatology, where she developed a solid foundation in medical skin care. After earning her MSN, she chose to continue working in dermatology as a nurse practitioner, building on the experience and passion developed during her years as a registered nurse in the specialty.

Outside of work, Nadia enjoys spending time with family and friends and being outdoors.

She is an active member of The American Association of Nurse Practitioners (AANP) and the National Academy of Dermatology Nurse Practitioners (NADNP).

Joseph F Seber, MD is a Board-Certified Dermatologist at Luminary Dermatology.  Dr Seber sees patients at the North Miami Beach, Florida location.

After earning his undergraduate degree from Rutgers and his medical degree from Boston University of Medicine, Dr Seber completed his Internship in Internal Medicine at U.S Public Heath Servies Hospital University of Maryland Medical Center.  He completed his Residency at University of Iowa Hospitals and Clinics.

He will continue seeing patients in the same location in North Miami Beach where he has practiced since 1985.

Dr Seber is a member of several medical associations including the American Medical Association, The American Academy of Dermatology and the Dade County Medical Association.

Dr. Brazen is a native Floridian from Clearwater, FL. He obtained his undergraduate degree in Biological Sciences from Florida State University before moving back home to complete his Master's degree in Medical Sciences at the University of South Florida. Dr. Brazen went on to complete medical school at Nova Southeastern University, and subsequently stayed in Southeast Florida to complete his three-year Dermatology Residency at Broward Health Medical Center.

There he received extensive training in general and complex medical dermatology, surgical dermatology, Mohs micrographic surgery, injectable fillers, lasers, and Botox. During his residency, Dr. Brazen was elected to serve as Academic chief resident, an honor awarded to the top residents in their class. During his residency, Dr. Brazen published papers in many academic journals and was recently elected to serve on the Board of Directors for the Florida Academy of Dermatology. Additionally, he serves as a delegate for the Florida Medical Association. Outside of the office, Dr. Brazen is an avid golfer, scuba diver, and fisherman. He loves to spend time with his family and their pet Sheepadoodle, Goose.

Ashley Llera is a board-certified Physician assistant who brings not only extensive dermatology experience but also a deep understanding of her native South Florida community. Bilingual in English and Spanish, she is committed to providing exceptional care to patients from diverse backgrounds.

Ashley is a graduate of the University of Miami, where she earned her degree in 2012 and was an active member of the TriBeta Biological Honor Society. She went on to complete her Physician Assistant education at Florida International University, graduating in 2017 as part of the inaugural class. Ashley’s accomplishments during her time at FIU include Capstone Research Gold Level Excellence, Second Overall Clinical Year Performance, and the Peer Award of Excellence.

With over 7 years of experience in dermatology, Ashley has worked alongside Dr. Joseph Seber in Medical, Surgical, and Cosmetic Dermatology. Her clinical expertise and compassionate approach to patient care have earned her the trust of many.

Ashley is also a Diplomate Fellow with the Society of Dermatology Physician Assistants (SDPA) and serves as a preceptor for Physician Assistant students from Barry University, helping to shape the future of dermatology practice.

Kathleen Herne, MD, is a board-certified dermatologist and one of only fourteen fellowship-trained Mohs micrographic and dermatologic surgeons in Palm Beach County, certified through the American College of Mohs Surgery. She brings a unique combination of surgical precision, clinical expertise, and aesthetic artistry to her patients at Integrated Dermatology of West Palm Beach in West Palm Beach, Florida.

Dr. Herne earned her medical degree from the University of Texas at the Houston Health Science Center, followed by an internal medicine internship at Loyola University in Chicago. She then completed a clinical research fellowship in dermatology and virology at the University of Texas in Galveston and a dermatology residency at the University of Alabama in Birmingham. Her advanced fellowship training in Mohs surgery, laser treatments, and cosmetic dermatology was completed at the University of California, San Francisco.

Known for her compassionate care and meticulous attention to detail, Dr. Herne specializes in skin cancer treatment, Mohs surgery, and cosmetic dermatology, including procedures such as Botox, fillers (Radiesse, Sculptra, Restylane), collagen treatments, chemical peels, and laser skin resurfacing. She stays current with the latest techniques and technologies to deliver natural, effective results.

Dr. Herne is a member of the American Academy of Dermatology, American Society for Dermatologic Surgery, Florida Society for Dermatologic Surgery, and the American Society for Laser Medicine and Surgery. She proudly serves patients across Palm Beach County with personalized, results-driven care.

Dr. Brazen is a native Floridian from Clearwater, FL. He obtained his undergraduate degree in Biological Sciences from Florida State University before moving back home to complete his Master's degree in Medical Sciences at the University of South Florida. Dr. Brazen went on to complete medical school at Nova Southeastern University, and subsequently stayed in Southeast Florida to complete his three-year Dermatology Residency at Broward Health Medical Center.

There he received extensive training in general and complex medical dermatology, surgical dermatology, Mohs micrographic surgery, injectable fillers, lasers, and Botox. During his residency, Dr. Brazen was elected to serve as Academic chief resident, an honor awarded to the top residents in their class. During his residency, Dr. Brazen published papers in many academic journals and was recently elected to serve on the Board of Directors for the Florida Academy of Dermatology. Additionally, he serves as a delegate for the Florida Medical Association. Outside of the office, Dr. Brazen is an avid golfer, scuba diver, and fisherman. He loves to spend time with his family and their pet Sheepadoodle, Goose.

Nadia is a board-certified Family Nurse Practitioner with a passion for providing quality, compassionate care. With a background in nursing and advanced clinical training, she helps patients manage both everyday health concerns and long-term conditions.

Born and raised in upstate New York, Nadia earned her Bachelor of Science in Nursing (BSN) from St. John Fisher College of Nursing. She then moved to Florida and earned her Master of Science in Nursing (MSN) from Keiser University and holds certification from the American Nurses Credentialing Center (ANCC).

Before becoming a nurse practitioner, she gained valuable experience working as a registered nurse in dermatology, where she developed a solid foundation in medical skin care. After earning her MSN, she chose to continue working in dermatology as a nurse practitioner, building on the experience and passion developed during her years as a registered nurse in the specialty.

Outside of work, Nadia enjoys spending time with family and friends and being outdoors.

She is an active member of The American Association of Nurse Practitioners (AANP) and the National Academy of Dermatology Nurse Practitioners (NADNP).

Ashley Llera is a board-certified Physician assistant who brings not only extensive dermatology experience but also a deep understanding of her native South Florida community. Bilingual in English and Spanish, she is committed to providing exceptional care to patients from diverse backgrounds.

Ashley is a graduate of the University of Miami, where she earned her degree in 2012 and was an active member of the TriBeta Biological Honor Society. She went on to complete her Physician Assistant education at Florida International University, graduating in 2017 as part of the inaugural class. Ashley’s accomplishments during her time at FIU include Capstone Research Gold Level Excellence, Second Overall Clinical Year Performance, and the Peer Award of Excellence.

With over 7 years of experience in dermatology, Ashley has worked alongside Dr. Joseph Seber in Medical, Surgical, and Cosmetic Dermatology. Her clinical expertise and compassionate approach to patient care have earned her the trust of many.

Ashley is also a Diplomate Fellow with the Society of Dermatology Physician Assistants (SDPA) and serves as a preceptor for Physician Assistant students from Barry University, helping to shape the future of dermatology practice.

Joseph F Seber, MD is a Board-Certified Dermatologist at Luminary Dermatology.  Dr Seber sees patients at the North Miami Beach, Florida location.

After earning his undergraduate degree from Rutgers and his medical degree from Boston University of Medicine, Dr Seber completed his Internship in Internal Medicine at U.S Public Heath Servies Hospital University of Maryland Medical Center.  He completed his Residency at University of Iowa Hospitals and Clinics.

He will continue seeing patients in the same location in North Miami Beach where he has practiced since 1985.

Dr Seber is a member of several medical associations including the American Medical Association, The American Academy of Dermatology and the Dade County Medical Association.