Our Doctors

At Metropolitan Dermatology Institute, our doctors are all board certified and have trained at the finest institutions in the country. Dedicated to the overall health and wellness of their patients and committed to the highest levels of safety, our doctors personally perform all skin checks, medical dermatological procedures, lasers and injectable treatments.


Dr. Jennifer M. Segal, M.D.

Dr. Jennifer M. Segal, M.D., is a board-certified dermatologist and founder of Metropolitan Dermatology Institute. Through her established clinical practice, Dr. Segal provides scientifically proven treatments in the fields of skin health and skin aging. She is known for her advanced techniques in cosmetic dermatology, including topical skin care, soft tissue fillers, neuromodulators, chemical peels, and energy based devices.

Raised in Honolulu and San Francisco, Dr. Segal received her undergraduate degree with honors from the University of Pennsylvania and her medical degree from the Duke University School of Medicine, where she also completed her residency in dermatology in 2006. She serves on the Board of Advisors at the University of Pennsylvania School of Social Policy and Practice, and on the Board of Visitors at the Duke University School of Medicine. She is an Adjunct Clinical Professor in the Duke Department of Dermatology.

Dr. Segal is passionate about cancer research, therapy and prevention. She has conducted research at the University of Pennsylvania, New York University Medical Center, and University of California San Francisco. She is a fellow of the American Society of Dermatologic Surgeons.

An accomplished author, orator and spokesperson, Dr. Segal has published and lectured both nationally and internationally in the fields of cosmetic dermatology, medical dermatology, cancer research and surgery.  She has consulted for international skin care brands Dove, Simple, and Skinceuticals, as well as leading aesthetic corporations including Galderma and Allergan. Her skin care advice has been published in a variety of national media outlets.


Dr. Scott H. Smith, M.D.

Dr. Scott H. Smith, M.D. is a board-certified dermatologist with over 20 years of professional experience in medical and aesthetic dermatology. Dr. Smith is known for his thoughtful, patient-centered approach and his commitment to delivering high-quality, personalized care.

Dr. Smith’s areas of interest within medical dermatology include skin cancer screening, and management of sensitive skin, skin precancers, acne, rosacea, and hyperhidrosis (excess sweating).

Dr. Smith’s aesthetic areas of interest include cosmetic use of botulinum toxin, skin care regimens, chemical peels, and energy-based devices for skin tightening and quality (including lasers, microneedling, and ultrasound devices). In keeping with the professional philosophy at MDI, Dr. Smith personally performs all laser and injectable treatments.

Dr. Smith received his undergraduate degree with highest honors from the University of Pennsylvania, including studies at the University of Oxford (Christ Church), England. He earned his medical degree from Harvard Medical School, where he also performed his internship at The Cambridge Hospital. Dr. Smith completed his residency in dermatology at Duke University Medical Center in 2006. He is a fellow of the American Academy of Dermatology and a member of both the American Society for Dermatologic Surgery and the International Hyperhidrosis Society.

Dr. Smith joined Metropolitan Dermatology Institute in 2016 to work with Dr. Jennifer Segal, his longtime friend and colleague from their Duke Dermatology residency.


Dr. Gracia W. Duncan, M.D.

Dr. Gracia Wynne Duncan, M.D. is a board certified physician in Obstetrics and Gynecology with extensive experience in both private practice and hospital settings.

A native Houstonian and much loved member of the Houston medical community, Dr. Wynne Duncan is known for her exemplary patient care. At Metropolitan Dermatology Institute, she brings particular expertise in nonsurgical feminine rejuvenation for the treatment of age and hormone-related thinning and laxity of the vaginal and vulvar tissue, mild to moderate urinary incontinence, and orgasmic dysfunction. Given her professional philosophy and commitment to patient care, Dr. Wynne Duncan personally performs all patient consultations and procedures.

Dr. Wynne Duncan is a graduate of Vanderbilt University and received her medical degree from the University of Texas at Houston, where she also completed her residency in obstetrics and gynecology in 2004. She is an active member of the American College of Obstetrics and Gynecology and the American Medical Association, and an Assistant Professor in Obstetrics and Gynecology at the Baylor College of Medicine.