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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. Tiffany Cheng
San Francisco, CA · No drug or device payments recorded (2025) · (415) 353-1529
Dr. Tiffany Cobb
San Francisco, CA · No drug or device payments recorded (2025) · (415) 353-1529
Dr. Timothy Duncan, MD
San Francisco, CA · No drug or device payments recorded (2025) · (209) 342-2300
Dr. Timothy Hong, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 476-1000
Dr. Tin Do, M.D.
San Francisco, CA · $393 in drug and device payments (2025) · (415) 750-5700
Dr. Todd Kessinger, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 641-6625
Dr. Usha Periyanayagam, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (270) 853-9302
Dr. Vikash Mishra, M.D.
San Francisco, CA · $150 in drug and device payments (2025) · (415) 965-7944
Dr. Vivian Reyes, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 833-2000
Dr. Ward Han
San Francisco, CA · No drug or device payments recorded (2025) · (415) 632-9889
Dr. William Coltrin, MD
San Francisco, CA · No drug or device payments recorded (2025) · (209) 342-2300
Dr. William Fischette
San Francisco, CA · No drug or device payments recorded (2025) · (415) 353-1529
Dr. William Tomkiewicz, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 833-2000
Dr. William Whetstone, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · (415) 476-1528
Dr. Wilson Huang
San Francisco, CA · No drug or device payments recorded (2025) · (415) 353-1037
Dr. Wolf-eberhard Mehling, MD
San Francisco, CA · No drug or device payments recorded (2025) · (415) 796-2242
Dr. Yonathan Ararso, MD,MS
San Francisco, CA · No drug or device payments recorded (2025) · (415) 353-1529
Dr. Zhanna Livshits, M.D.
San Francisco, CA · No drug or device payments recorded (2025) · Telehealth · (415) 353-1238
Dr. Edward Colby, M.D.
San Gabriel, CA · No drug or device payments recorded (2025) · (626) 289-5454
Dr. Frederick Levin, M.D.
San Gabriel, CA · No drug or device payments recorded (2025) · (626) 289-5454
Dr. Grace Ting, M.D.
San Gabriel, CA · No drug or device payments recorded (2025) · (626) 289-5454
Dr. Nam Pham, DO
San Gabriel, CA · No drug or device payments recorded (2025) · (626) 289-5454
Dr. Radford Rosebrough, M.D.
San Gabriel, CA · No drug or device payments recorded (2025) · (626) 289-5454
Dr. Stephen Docherty, D.O.
San Gabriel, CA · No drug or device payments recorded (2025) · (626) 289-5454
Dr. Steven Chen, MD
San Gabriel, CA · $35 in drug and device payments (2025) · (626) 289-5454
Dr. Steven Nguyen, DO
San Gabriel, CA · No drug or device payments recorded (2025) · (626) 715-0291
Dr. Walter Bukata, M.D.
San Gabriel, CA · No drug or device payments recorded (2025) · (626) 289-5454
Dr. Alexander Ayala, MD, MPH
San Jose, CA · No drug or device payments recorded (2025) · (916) 216-5829
Dr. Alexander Lam, M.D.
San Jose, CA · No drug or device payments recorded (2025) · (408) 885-2334
Dr. Alexis Kahanu Leung
San Jose, CA · No drug or device payments recorded (2025) · (808) 753-2278
Dr. Andrew Mihalik, M.D
San Jose, CA · No drug or device payments recorded (2025) · (408) 559-2011
Dr. Andrew Napier, MD
San Jose, CA · No drug or device payments recorded (2025) · (408) 259-5000
Dr. Angela Loh, MD
San Jose, CA · No drug or device payments recorded (2025) · (408) 972-7000
Dr. Anna Nguyen, DO
San Jose, CA · No drug or device payments recorded (2025) · (408) 947-2500
Dr. Benjamin Hafkenschiel, MD
San Jose, CA · No drug or device payments recorded (2025) · (408) 885-6900
Dr. Beth Keegstra, M.D
San Jose, CA · No drug or device payments recorded (2025) · (408) 923-7121
Dr. Brian Saavedra, MD
San Jose, CA · No drug or device payments recorded (2025) · (408) 947-2500
Dr. Bryan Beall, DO
San Jose, CA · No drug or device payments recorded (2025) · (408) 947-2500
Dr. Bryce Volk, MD
San Jose, CA · No drug or device payments recorded (2025) · (408) 259-5000
Dr. Carol Hsu, M.D
San Jose, CA · No drug or device payments recorded (2025) · (408) 559-2011
Dr. Chandu Karadi, MD
San Jose, CA · No drug or device payments recorded (2025) · (408) 972-7000
Dr. Channing Hui
San Jose, CA · No drug or device payments recorded (2025) · (408) 259-5000
Dr. Charles Hunter, DO
San Jose, CA · No drug or device payments recorded (2025) · (408) 885-5000
Dr. Charles Kutner, MD
San Jose, CA · No drug or device payments recorded (2025) · (408) 972-7000
Dr. Cheryl Mcbride, DO
San Jose, CA · No drug or device payments recorded (2025) · (408) 885-5000
Dr. Christopher Campbell, M.D.
San Jose, CA · No drug or device payments recorded (2025) · (510) 791-3430
Dr. Christopher Nelson, MD
San Jose, CA · No drug or device payments recorded (2025) · (408) 947-3999
Dr. Chuong Tran, M.D.
San Jose, CA · $25 in drug and device payments (2025) · (408) 972-7000
Dr. Daniel Nelson, M.D.
San Jose, CA · No drug or device payments recorded (2025) · (408) 885-5000
Dr. David Feldman
San Jose, CA · No drug or device payments recorded (2025) · (408) 559-2552

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.

Related reading on HealthcareDiscovery.AI

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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.