- Hair loss (Alopecia)
- Hair shedding
- Lichen planopilaris
- Loss of scalp hair
George Cotsarelis, MD
Dermatology
Sees patients age 18 and up
Penn Dermatology Radnor
Penn Medicine Provider
About me
- Chair, Department of Dermatology
- Milton Bixler Hartzell Professor of Dermatology
My education and training
- Medical School: University of Pennsylvania School of Medicine
- Residency: Geisinger Community Medical Center
- Residency: University of Pennsylvania Health System
- Fellowship: University of Pennsylvania Health System
Spoken languages
English
English
Ελληνικά
Greek
Reviews
181 reviews
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Insurance accepted
Please contact the practice and/or the member services department of your insurance company for specific details before receiving services. Providers may participate in some, but not all, products offered by a health plan; providers may also accept plans at some practice locations but not others.
- Aetna Advantra Cares D-SNP
- Aetna Advantra Credit Value
- Aetna Advantra Eagle HMO
- Aetna Advantra Eagle POS
- Aetna Advantra Premier Plus PPO
- Aetna Advantra Value
- Aetna Advantra Value Plus
- Aetna APCN Plus (Multi-Tier)
- Aetna Better Health Kids (CHIP) - DH Only
- Aetna Flexible Five
- Aetna Freedom Core
- Aetna Gold
- Aetna HMO
- Aetna Philly Prime
- Aetna POS
- Aetna PPO APCN
- Aetna Premier
- Aetna Premier Plus
- Aetna Savings Plus
- Aetna Signature Administrators
- Aetna Student Health Plan PPO
- Aetna Upfront Advantage
- First Health HMO
- First Health POS
- First Health PPO
- Meritain - Aramark (Other)
- Meritain - Aramark (Pennsylvania Premier Medical Plan)
- Americhealth Caritas of PA VIP - LGH Only
- Amerihealth Caritas (Transplant patients only)
- Amerihealth Caritas of PA - LGH Only
- Centivo EPO
- Cigna Healthcare EPO
- Cigna Healthcare HMO
- Cigna Healthcare POS
- Cigna Healthcare PPO
- Claim Watcher (Homestead/ INDECs) Open Access
- Clover Health Choice
- Clover Health Choice Value PPO
- Clover Health Classic HMO
- Clover Health Value
Locations
Penn Medicine hospital privileges
- Hospital of the University of Pennsylvania: Has privileges to treat patients in the hospital.
- Pennsylvania Hospital: Has privileges to treat patients in the hospital.
- Penn Presbyterian Medical Center: Has privileges to treat patients in the hospital.
Qualifications and experience
- Dermatology
- American Academy of Dermatology (AAD), National
- American Dermatological Association (ADA), National
- American Hair Research Society (AHRS), International
- American Medical Association (AMA), National
- American Society for Clinical Investigation (ASCI), National
- Association of American Physicians (AAP), National
- Association of Professors of Dermatology (APD), National
- Dermatology Foundation, National
- Institute for Translational Medicine and Therapeutics (ITMAT), National
- International Society for Stem Cell Research, International
- Interurban Clinical Club, National
- National Institutes of Health, National
- North American Hair Research Society, National
- Pennsylvania Academy of Dermatology (PAD), Local
- Pennsylvania Medical Society and Philadelphia County Medical Society, Local
- Philadelphia Dermatological Society, Local
- Singapore National Medical Research Council, Ministry of Health, International
- Society for Investigative Dermatology (SID), National
- Wound Healing Society, National
- Recognized annually in Philadelphia Magazine's Top Docs issue from 2018 through 2025
Treatments and conditions
Research
Publications
Garza LA, Yang CC, Zhao T, Blatt HB, Lee M, He H, Stanton DC, Carrasco L, Spiegel JH, Tobias JW, Cotsarelis G Bald scalp in men with androgenetic alopecia retains hair follicle stem cells but lacks CD200-rich and CD34-positive hair follicle progenitor cells , J Clin Invest, 121(2): 2011,613-22
Ito M, Yang Z, Andl T, Cui C, Kim N, Millar SE, Cotsarelis G Wnt-dependent de novo hair follicle regeneration in adult mouse skin after wounding , Nature, 447(7142): 2007,316-21
Fan C, Luedtke MA, Prouty SM, Burrows M, Kollias N, Cotsarelis G Characterization and quantification of wound-induced hair follicle neogenesis using in vivo confocal scanning laser microscopy , Skin Research and Technology, 17(4): 2011,387-97
Ito M, Liu Y, Yang Z, Nguyen J, Liang F, Morris R, Cotsarelis G Stem cells in the hair follicle bulge contribute to wound repair but not to homeostasis of the epidermis , Nature Medicine, 11(12): 2005,1351-4
Morris R, Liu Y, Marles L, Yang Z, Trempus C, Li S, Lin J, Sawicki J, Cotsarelis G Capturing and profiling hair follicle stem cells , Nature Biotechnology , 22(4): 2004,411-17
Trempus CS, Dang H, Humble MM, Wei SJ, Gerdes MJ, Morris RJ, Bortner CD, Cotsarelis G, Tennant RW Comprehensive Microarray Transcriptome Profiling of CD34-Enriched Mouse Keratinocyte Stem Cells , J Invest Dermatol, 127(12): 2007,2904-7
Trempus CS, Morris RJ, Ehinger M, Elmore A, Bortner CD, Ito M, Cotsarelis G, Nijhof JG, Peckham J, Flagler N, Kissling G, Humble MM, King LC, Adams LD, Desai D, Amin S, Tennant RW CD34 expression by hair follicle stem cells is required for skin tumor development in mice , Cancer Res, 67(9): 2007,4173-81
Endo M, Zoltick PW, Peranteau WH, Radu A, Muvarak N, Ito M, Yang Z, Cotsarelis G, Flake AW Efficient in vivo targeting of epidermal stem cells by early gestational intraamniotic injection of lentiviral vector driven by the keratin 5 promoter , Mol Ther, 16(1): 2008,131-7
Lyle S, Christofidou-Solomidou M, Liu Y, Elder D, Albelda S, Cotsarelis G The C8/144B monoclonal antibody recognizes cytokeratin 15 and defines the location of human hair follicle stem cells , J Cell Science, 111(21): 1998,3179-88
Kantor J, Jay L, Brooks D, Cotsarelis G Decreased serum ferritin is associated with alopecia in women , J Invest Dermatol, 121(5): 2003,985-8