Golden State Dermatology

Golden State Dermatology's Brentwood office brings board-certified medical and cosmetic dermatology to East Contra Costa County, with a provider team led by Hovik Ashchyan, MD, and Jay Zimmerman, MD, supported by physician assistants, registered nurses, and a licensed esthetician. The office is guided by a commitment to 'excellent and personalized care' across conditions of the skin, hair, and nails, with particular emphasis on Mohs micrographic surgery for skin cancer treatment alongside general medical dermatology and anti-aging cosmetic services. Medical care addresses acne, eczema, psoriasis, rosacea, mole removal, actinic keratoses, and skin cancer diagnosis and treatment, while the cosmetic menu includes Botox, chemical peels, microneedling, HydraFacial, Latisse for lash growth, and scar revision, complemented by dedicated esthetician services. The Brentwood location has been honored with the 'Best of the East Bay' award in 2021 and again from 2023 through 2026, along with a Best of the Bay 2024 Silver award. Accepting more than 16 insurance plans, including Medicare and major regional networks, the practice serves Brentwood patients with a full continuum of dermatologic care.