Emergency Medicine Doctors in California
Data updated monthly · Last refresh October 2026
7,777 Emergency Medicine providers practice in California, including 234 (3%) offering telehealth. The largest concentration is in Los Angeles. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
7,777providers
234telehealth
Los Angelestop city
Emergency Medicine by city in California
Choose a city to see providers there.
Emergency Medicine providers in California
Listed by city, largest first. 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. Thomas Leighton, MDHarbor City, CA · No drug or device payments recorded (2025) ·
(310) 325-5111 Dr. Vicente Sanchez, MDHarbor City, CA · No drug or device payments recorded (2025) ·
(310) 325-5111 Dr. Vivian Tsai, M.D.Harbor City, CA · No drug or device payments recorded (2025) ·
(310) 325-5111 Dr. Yalda Rezaimehr, M.D.Harbor City, CA · No drug or device payments recorded (2025) ·
(310) 325-5111 Dr. Joseph Englanoff, M.D.Hawaiian Gardens, CA · No drug or device payments recorded (2025) ·
(714) 522-2001 Dr. Brandon TrappHawthorne, CA · No drug or device payments recorded (2025) ·
(202) 413-5723 Dr. Roger BarilHawthorne, CA · No drug or device payments recorded (2025) ·
(310) 228-0825 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 Dr. Andrew Karozos, M.D.Healdsburg, CA · No drug or device payments recorded (2025) ·
(707) 433-3165 Dr. Elizabeth Faulk, M.D.Healdsburg, CA · $164 in drug and device payments (2025) ·
(925) 482-8249 Dr. Marc Paris, M.D.Healdsburg, CA · No drug or device payments recorded (2025) ·
(707) 431-6500 Dr. Timothy Saunders, MDHealdsburg, CA · No drug or device payments recorded (2025) ·
(707) 473-0561 Dr. Daniella Garcia, MDHemet, CA · No drug or device payments recorded (2025) ·
(951) 652-2811 Dr. George Goy, M.D.Hemet, CA · No drug or device payments recorded (2025) ·
(909) 652-2811 Dr. Jessica Shuen, M.D.Hemet, CA · No drug or device payments recorded (2025) ·
(951) 652-2811 Dr. John Desnoyers, M.D.Hemet, CA · No drug or device payments recorded (2025) ·
(909) 652-2811 Dr. Robert Nakamura, MDHemet, CA · No drug or device payments recorded (2025) ·
(909) 652-2811 Dr. Solomon Yochanan, MDHemet, CA · No drug or device payments recorded (2025) ·
(951) 766-6450 Dr. Stephen Manfredi, M.D.Hemet, CA · No drug or device payments recorded (2025) ·
(909) 652-2811 Dr. Timothy Almquist, M.D.Hemet, CA · No drug or device payments recorded (2025) ·
(909) 652-2811 Dr. Calvin Ly, DOHercules, CA · No drug or device payments recorded (2025) ·
(510) 984-1103 Dr. Negean Afifi, D.O.Hermosa Beach, CA · No drug or device payments recorded (2025) ·
(858) 603-7699 Dr. Thomas Pero, M.D.Hermosa Beach, CA · No drug or device payments recorded (2025) ·
(805) 712-1682 Dr. Samuel Wilson, MDHesperia, CA · $44 in drug and device payments (2025) · Telehealth ·
(760) 956-5057 Dr. John Donohoe, M.D.Highland, CA · No drug or device payments recorded (2025) ·
(909) 862-1191 Common questions
How many Emergency Medicine providers are in California?There are 7,777 Emergency Medicine providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.
Do Emergency Medicine providers in California offer telehealth?Yes. 234 of the 7,777 Emergency Medicine providers in California (about 3%) report offering telehealth services in CMS data.
Which cities in California have the most Emergency Medicine providers?Los Angeles (630), San Diego (496), Sacramento (371) have the highest concentration of Emergency Medicine providers in California.
How many Emergency Medicine providers in California received drug or device company payments?1,103 of 7,777 Emergency Medicine providers in California (14%) 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 counts and profiles 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.
Do most Emergency Medicine Doctors in California work in independent practices or large health systems?Among 4,164 Emergency Medicine Doctors in California enrolled in Medicare, 7% bill through a solo or small practice with fewer than 10 clinicians, 27% through a mid-size group of 10 to 99, and 66% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Emergency Medicine Doctors in California work at?According to CMS facility affiliation records, the California hospitals where the most Emergency Medicine Doctors hold privileges are Uci Health-Orange in Orange; Stanford Health Care in Stanford; Kaiser Foundation Hospital - Oakland/Richmond in Oakland.
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