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. Chad Baasen, M.D.Oceanside, CA · No drug or device payments recorded (2025) ·
(760) 719-3337 Dr. Chad Bernhardt, MDOceanside, CA · No drug or device payments recorded (2025) ·
(760) 439-1963 Dr. Corry Mcdonald, MDOceanside, CA · No drug or device payments recorded (2025) ·
(910) 319-9835 Dr. Darin Garner, M.D.Oceanside, CA · No drug or device payments recorded (2025) ·
(760) 439-1963 Dr. David Pregerson, M.D.Oceanside, CA · $120 in drug and device payments (2025) ·
(760) 940-3505 Dr. David Tanen, M.D.Oceanside, CA · No drug or device payments recorded (2025) ·
(760) 940-3808 Dr. Dorothy Brown, M.D.Oceanside, CA · No drug or device payments recorded (2025) ·
(760) 940-3505 Dr. Edward Rotunda, M.D.Oceanside, CA · No drug or device payments recorded (2025) ·
(760) 940-3808 Dr. Garrick Stride, MDOceanside, CA · No drug or device payments recorded (2025) ·
(760) 452-3376 Dr. Gene Ma, M.D.Oceanside, CA · $159 in drug and device payments (2025) ·
(760) 439-1963 Dr. Gordon Appelbaum, M.D.Oceanside, CA · No drug or device payments recorded (2025) ·
(760) 216-6253 Dr. Jaclyn Gell, DOOceanside, CA · No drug or device payments recorded (2025) ·
(760) 704-5630 Dr. Jocelyn Young, MDOceanside, CA · No drug or device payments recorded (2025) ·
(317) 294-5998 Dr. John Bushong, M.D.Oceanside, CA · No drug or device payments recorded (2025) ·
(760) 940-3505 Dr. Jorge Ontiveros-ramirez, MDOceanside, CA · No drug or device payments recorded (2025) ·
(760) 724-8411 Dr. Joshua Kuhn, M.D.Oceanside, CA · No drug or device payments recorded (2025) ·
(706) 631-2560 Dr. Juan Zorrilla, M.D.Oceanside, CA · No drug or device payments recorded (2025) ·
(760) 940-3505 Dr. Judd Glasser, M.D.Oceanside, CA · No drug or device payments recorded (2025) ·
(760) 940-3505 Dr. Matthew Von Zimmerman, DOOceanside, CA · No drug or device payments recorded (2025) ·
(760) 725-1288 Dr. Melanie Pollack, DOOceanside, CA · No drug or device payments recorded (2025) ·
(760) 940-3707 Dr. Michael Alaynick, M.D.Oceanside, CA · No drug or device payments recorded (2025) ·
(760) 940-3808 Dr. Michael Forman, M.D.Oceanside, CA · No drug or device payments recorded (2025) ·
(760) 940-3505 Dr. Michael Green, M.D.Oceanside, CA · $23 in drug and device payments (2025) ·
(760) 719-3429 Dr. Michelle Voigt, M.D.Oceanside, CA · No drug or device payments recorded (2025) ·
(760) 940-3505 Dr. Nathan Zundel, M.D.Oceanside, CA · No drug or device payments recorded (2025) ·
(760) 725-1288 Dr. Neil Tomaneng, M.D.Oceanside, CA · No drug or device payments recorded (2025) ·
(760) 940-3808 Dr. Nicole Zawada, MDOceanside, CA · No drug or device payments recorded (2025) ·
(760) 724-8411 Dr. Pengta Chiang, M.D.Oceanside, CA · No drug or device payments recorded (2025) ·
(760) 439-1963 Dr. Randall Browning, M.D.Oceanside, CA · No drug or device payments recorded (2025) ·
(760) 940-3505 Dr. Reid Conant, M.D.Oceanside, CA · No drug or device payments recorded (2025) ·
(760) 940-3505 Dr. Rica Bonomo, M.D.Oceanside, CA · No drug or device payments recorded (2025) ·
(760) 724-8411 Dr. Robert Bei, M.D.Oceanside, CA · No drug or device payments recorded (2025) ·
(760) 940-3808 Dr. Robert Patel, M.D.Oceanside, CA · No drug or device payments recorded (2025) ·
(760) 940-3808 Dr. Ryan Smith, DOOceanside, CA · No drug or device payments recorded (2025) ·
(760) 439-1963 Dr. Sean Nardi, D.O.Oceanside, CA · No drug or device payments recorded (2025) ·
(760) 725-4357 Dr. Stephen Karas, M.D.Oceanside, CA · $129 in drug and device payments (2025) ·
(760) 940-3505 Dr. Stephen Thomas, MDOceanside, CA · No drug or device payments recorded (2025) ·
(619) 865-1724 Dr. Steven Gabriel, M.D.Oceanside, CA · No drug or device payments recorded (2025) ·
(760) 940-3505 Dr. Thomas Allen, M.D.Oceanside, CA · No drug or device payments recorded (2025) ·
(760) 719-3365 Dr. Thomas Webster, M.D.Oceanside, CA · No drug or device payments recorded (2025) ·
(760) 940-3505 Dr. Tina Edwards, MDOceanside, CA · No drug or device payments recorded (2025) ·
(760) 425-4466 Dr. Todd Ruttenberg, D.O.Oceanside, CA · No drug or device payments recorded (2025) ·
(760) 724-8411 Dr. Todd Zaayer, M.D.Oceanside, CA · No drug or device payments recorded (2025) ·
(760) 940-3505 Dr. Tuan Nguyen, M.D.Oceanside, CA · No drug or device payments recorded (2025) ·
(760) 940-3808 Dr. Wesley Yeackle, M.D.Oceanside, CA · No drug or device payments recorded (2025) ·
(760) 277-5214 Dr. W. Mitchell, M.D.Oceanside, CA · No drug or device payments recorded (2025) ·
(760) 940-3505 Dr. Colin Walker, M.D.Ojai, CA · No drug or device payments recorded (2025) ·
(805) 746-6573 Dr. Elizabeth Kuge Parker, DO Dr. Elizabeth Patterson, MDOjai, CA · No drug or device payments recorded (2025) ·
(805) 646-1401 Dr. Gordon Clawson, MDOjai, CA · No drug or device payments recorded (2025) ·
(805) 640-2260 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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