Emergency Medicine in Hayward, California
Data updated monthly · Last refresh September 2026
26 Emergency Medicine providers practice in Hayward, and 4% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.
Emergency Medicine 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. Aaron Pessl, M.D.Hayward, CA · No drug or device payments recorded (2025) ·
(510) 784-4525 Dr. Charles Getz, MDHayward, CA · No drug or device payments recorded (2025) ·
(510) 784-4000 Dr. Christopher Johnson, M.D.Hayward, CA · No drug or device payments recorded (2025) ·
(646) 468-9164 Dr. Christopher Wan, MDHayward, CA · No drug or device payments recorded (2025) ·
(510) 784-4521 Dr. Danh Ta, DOHayward, CA · No drug or device payments recorded (2025) ·
(510) 784-4000 Dr. Eric Anderson, MDHayward, CA · No drug or device payments recorded (2025) ·
(510) 784-4000 Dr. Eric Weintz, M.D.Hayward, CA · No drug or device payments recorded (2025) ·
(510) 264-4026 Dr. Evelyn Chow, M.D.Hayward, CA · No drug or device payments recorded (2025) ·
(510) 784-4521 Dr. Jennifer Darukhanavala, MDHayward, CA · No drug or device payments recorded (2025) ·
(510) 264-4000 Dr. Jeremy Graff, M.DHayward, CA · No drug or device payments recorded (2025) ·
(510) 264-4026 Dr. Joseph Debonis, MDHayward, CA · No drug or device payments recorded (2025) ·
(510) 784-4000 Dr. Julie Schwengels, MDHayward, CA · No drug or device payments recorded (2025) ·
(510) 784-4000 Dr. Karen Lind, M.D,Hayward, CA · No drug or device payments recorded (2025) · Telehealth ·
(510) 264-4026 Dr. Kristin Cochran, M.D.Hayward, CA · No drug or device payments recorded (2025) ·
(510) 454-1000 Dr. Liqun Chen, M.D.Hayward, CA · No drug or device payments recorded (2025) ·
(510) 264-4000 Dr. Lisa Pinsky, MDHayward, CA · No drug or device payments recorded (2025) ·
(510) 784-4000 Dr. Liza Cadnapaphornchai, MDHayward, CA · No drug or device payments recorded (2025) ·
(510) 784-4521 Dr. Louanne Giangreco, MDHayward, CA · $1,925 in drug and device payments (2025) ·
(510) 471-5880 Dr. Lyn Aborn, MDHayward, CA · No drug or device payments recorded (2025) ·
(510) 784-4000 Dr. Paul Wesley, MDHayward, CA · No drug or device payments recorded (2025) ·
(510) 784-4000 Dr. Rameshchandra Patel, MDHayward, CA · No drug or device payments recorded (2025) ·
(510) 784-4000 Dr. Robert Blum, MDHayward, CA · No drug or device payments recorded (2025) ·
(510) 784-4000 Dr. Sarah Welsh, D.O.Hayward, CA · No drug or device payments recorded (2025) ·
(510) 264-4026 Dr. Shao-i Huang, D.O.Hayward, CA · No drug or device payments recorded (2025) ·
(510) 264-4000 Dr. Susanne Prince, M.D.Hayward, CA · No drug or device payments recorded (2025) ·
(510) 784-4000 Dr. Tan Nguyen, M.D.Hayward, CA · No drug or device payments recorded (2025) ·
(510) 264-4026 Common questions
How many Emergency Medicine providers are in Hayward, California?There are 26 Emergency Medicine providers with active NPI records practicing in Hayward, according to federal NPPES data refreshed monthly.
How many Emergency Medicine providers in Hayward received drug or device company payments?1 of 26 (4%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
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 Emergency Medicine across California
