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Anesthesiology in Hayward, California

Data updated monthly · Last refresh September 2026

9 Anesthesiology providers practice in Hayward. Listings are drawn from federal public records and are not endorsements.

Anesthesiology providers in Hayward

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. Debora Dunfield, MD
Hayward, CA · No drug or device payments recorded (2025) · (510) 784-4000
Dr. Derrick Lee, M.D.
Hayward, CA · No drug or device payments recorded (2025) · (510) 784-2069
Dr. Joyce Yap, MD
Hayward, CA · No drug or device payments recorded (2025) · (510) 784-4000
Dr. Joycie Smith, MD
Hayward, CA · No drug or device payments recorded (2025) · (510) 784-4000
Dr. Mark Pandapas, M.D.
Hayward, CA · No drug or device payments recorded (2025) · (510) 264-4000
Dr. Martin Goldberg, MD
Hayward, CA · No drug or device payments recorded (2025) · (510) 784-4000
Dr. Monique Mabey, MD
Hayward, CA · No drug or device payments recorded (2025) · (510) 784-4000
Dr. Toni Lum, MD
Hayward, CA · No drug or device payments recorded (2025) · (510) 784-4000
Dr. Tzu-lang Wu, M.D.
Hayward, CA · No drug or device payments recorded (2025) · (510) 784-2069

Common questions

How many Anesthesiology providers are in Hayward, California?

There are 9 Anesthesiology providers with active NPI records practicing in Hayward, according to federal NPPES data refreshed monthly.

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 Hayward Anesthesiology 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.