HealthcareDiscovery.AI / Doctors / California / Castro Valley / Dermatology

Dermatology in Castro Valley, California

Data updated monthly · Last refresh September 2026

2 Dermatology providers practice in Castro Valley. Listings are drawn from federal public records and are not endorsements.

Dermatology providers in Castro Valley

Listed alphabetically. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.

Dr. Joel Crockett, M.D.
Castro Valley, CA · $3,561 in drug and device payments (2025) · (510) 881-7822
Dr. Tian Hao Zhu
Castro Valley, CA · $3,340 in drug and device payments (2025) · (510) 881-7822

Conditions Dermatology providers in Castro Valley, California commonly treat

Patients often search by condition rather than specialty. These are conditions typically managed by Dermatology providers. Individual practices vary, so confirm with the provider before booking.

Common questions

How many Dermatology providers are in Castro Valley, California?

There are 2 Dermatology providers with active NPI records practicing in Castro Valley, according to federal NPPES data refreshed monthly.

What conditions do Dermatology providers in Castro Valley treat?

Dermatology providers in Castro Valley commonly treat acne, eczema, psoriasis, skin cancer, rosacea and related conditions. Individual practices vary, so confirm with the provider before booking.

Where does this data come from?

Provider records come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

All specialties in Castro Valley Dermatology across California

Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory.