Dermatology
George Cotsarelis, MD
Chair, Department of Dermatology; Milton Bixler Hartzell Professor of Dermatology
Dr. George Cotsarelis is a board-certified dermatologist specializing in hair loss, scalp disorders, alopecia, and hair follicle stem cell biology. He directs the University of Pennsylvania Hair and Scalp Clinic and leads research on the role of hair follicle stem cells in hair growth, alopecia, wound healing, and skin regeneration. Dr. Cotsarelis pioneered the localization of hair follicle stem cells to the bulge region and has developed tools for their study, including genetic mouse models, FA
35+
Years in Practice
Credentials
Board Certifications
- Dermatology (American Board of Dermatology)
Education & Training
- Perelman School of Medicine at the University of Pennsylvania — M.D., 1987
- University of Pennsylvania Health System — Residency, Dermatology, 1988-1992
- Geisinger Health System (Danville) — Internship, Internal Medicine, 1987-1988
Peer Recognition
2004-2014 (11 years)
2004-2007, 2010, 2018-2025 (13 years)
Clinical Focus
Subspecialties
Conditions & Treatments
Practice Details
Hospital Affiliations
- Penn Medicine Penn Presbyterian Medical Center
- Pennsylvania Hospital
Languages
English
Experience
35+ years in practice