NPI-verifiedDermatology · PhoenixLast verified Oct 15, 2026
Arizona Skin Specialists Dermatology
Based in Phoenix, Arizona Skin Specialists Dermatology is a dermatology practice, serving patients for 16 years. Its physicians include Mark Johnson, MD, MBA, Elena Sass, APN, and Richard Ulrich, M.D.
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Who you'll see
Providers
MJ
Mark Johnson, MD, MBA
NPI 1134188956
ES
Elena Sass, APN
Nurse Practitioner · NPI 1437585031
RU
Richard Ulrich, M.D.
Psychiatrist · NPI 1962829986
Last verified Oct 15, 2026Report a correction
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