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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 in Los Angeles630 providers
Emergency Medicine in San Diego496 providers
Emergency Medicine in Sacramento371 providers
Emergency Medicine in San Francisco291 providers
Emergency Medicine in Oakland251 providers
Emergency Medicine in Fresno229 providers
Emergency Medicine in Torrance196 providers
Emergency Medicine in Orange179 providers
Emergency Medicine in Loma Linda169 providers
Emergency Medicine in Stanford164 providers
Emergency Medicine in Bakersfield117 providers
Emergency Medicine in San Jose114 providers
Emergency Medicine in Colton109 providers
Emergency Medicine in Riverside104 providers
Emergency Medicine in Walnut Creek97 providers
Emergency Medicine in Rancho Mirage76 providers
Emergency Medicine in Visalia73 providers
Emergency Medicine in Long Beach69 providers
Emergency Medicine in Modesto68 providers
Emergency Medicine in Santa Rosa64 providers
Emergency Medicine in Palm Springs63 providers
Emergency Medicine in San Leandro59 providers
Emergency Medicine in La Jolla59 providers
Emergency Medicine in Anaheim58 providers

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. Eric Dummel, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 833-2000
Dr. Eric Isaacs, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 206-5753
Dr. Eric Silverman, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 353-1595
Dr. Erin Ricart, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 237-1378
Dr. Esther Chen, MD
San Francisco, CA · No drug or device payments recorded (2025) · Telehealth · (415) 420-6435
Dr. Eunice Choi, RN
San Francisco, CA · No drug or device payments recorded (2025) · (628) 206-8000
Dr. Evan Bloom, M.D.
San Francisco, CA · $209 in drug and device payments (2025) · (415) 206-8111
Dr. Evelyn Porter, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 353-1634
Dr. Frederick Pitts, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 503-6042
Dr. Fred Volinsky, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 765-7193
Dr. Galen Bussmann, MD, MBA
San Francisco, CA · No drug or device payments recorded (2025) · (415) 353-1529
Dr. Gerald Fries, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 833-2000
Dr. Grace Ahn, M.D.
San Francisco, CA · $113 in drug and device payments (2025) · (415) 206-8111
Dr. Gregg Miller, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 353-6613
Dr. Gregory Mandrussow, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 833-2000
Dr. Haley Vertelney
San Francisco, CA · No drug or device payments recorded (2025) · (650) 387-4949
Dr. Hugh West, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 353-1238
Dr. Hyo Kim, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 928-7700
Dr. Ivan Cometa, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 523-6656
Dr. Jack Bertman, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (775) 790-0463
Dr. Jacob Miss
San Francisco, CA · No drug or device payments recorded (2025) · (415) 353-1529
Dr. Jacqueline Nemer, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 353-1238
Dr. Jahan Fahimi, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · Telehealth · (415) 476-1000
Dr. Jaime Cintado, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 833-2000
Dr. Jaskaran Bains, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 353-1529
Dr. Jasmin Millon, MD
San Francisco, CA · No drug or device payments recorded (2025) · (628) 206-8111
Dr. Jason Hendrickson, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 833-2000
Dr. Jason Koob, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 926-5818
Dr. Jay Menaker, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 353-2161
Dr. Jeannie Tsai, MD
San Francisco, CA · $479 in drug and device payments (2025) · (415) 885-2737
Dr. Jeffrey Bullard-berent, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 353-1818
Dr. Jeffrey Merz-herrala, MD
San Francisco, CA · $219 in drug and device payments (2025) · Telehealth · (415) 353-9188
Dr. Jennifer Brokaw, MD
San Francisco, CA · No drug or device payments recorded (2025) · (209) 342-2300
Dr. Jennifer Lanning
San Francisco, CA · No drug or device payments recorded (2025) · (415) 353-1529
Dr. Jennifer Stone
San Francisco, CA · $144 in drug and device payments (2025) · (415) 600-6000
Dr. Jeremy Lacocque, DO
San Francisco, CA · No drug or device payments recorded (2025) · (628) 206-8000
Dr. Jillian Mongelluzzo, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 948-7552
Dr. Joanna Ortega, MD, MPH
San Francisco, CA · No drug or device payments recorded (2025) · (415) 353-1238
Dr. Joanne Sun, M.D.
San Francisco, CA · $143 in drug and device payments (2025) · (415) 353-6300
Dr. John Brown, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 206-5753
Dr. John Grant, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 833-2000
Dr. John Mitre, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 833-2000
Dr. John Roever
San Francisco, CA · No drug or device payments recorded (2025) · (415) 476-1000
Dr. Johnson Kwan, MD
San Francisco, CA · $143 in drug and device payments (2025) · Telehealth · (415) 570-3780
Dr. Joseph Freeman, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 353-1529
Dr. Joseph Graterol, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 353-1529
Dr. Joseph Rojo
San Francisco, CA · No drug or device payments recorded (2025) · (415) 353-1529
Dr. Joseph Woo, MD
San Francisco, CA · $27 in drug and device payments (2025) · (330) 493-4443
Dr. Judith Klein, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 206-5753
Dr. Julian Villar, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 353-1529

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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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. Are you a Emergency Medicine in California? Get featured.