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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. David Hammons, MD
San Jose, CA · No drug or device payments recorded (2025) · (408) 453-3124
Dr. David Plecque, MD
San Jose, CA · No drug or device payments recorded (2025) · (408) 972-7000
Dr. Deborah Schwartz, MD
San Jose, CA · No drug or device payments recorded (2025) · (408) 885-6900
Dr. Dennis Liu, M.D.
San Jose, CA · No drug or device payments recorded (2025) · (408) 972-3000
Dr. Elaine Nelson, M.D
San Jose, CA · No drug or device payments recorded (2025) · (408) 923-7121
Dr. Elizabeth Perkis, DO
San Jose, CA · No drug or device payments recorded (2025) · (408) 972-3000
Dr. Erica Mcenery, M.D.
San Jose, CA · $70 in drug and device payments (2025) · (408) 792-2841
Dr. Eric Kenley, MD
San Jose, CA · No drug or device payments recorded (2025) · (773) 702-6250
Dr. Erin Wentzien, M.D
San Jose, CA · No drug or device payments recorded (2025) · (408) 559-2011
Dr. Gary Gechlik, M.D
San Jose, CA · No drug or device payments recorded (2025) · (408) 559-2011
Dr. Gary Li, M.D
San Jose, CA · No drug or device payments recorded (2025) · (408) 559-2011
Dr. George Block, M.D.
San Jose, CA · No drug or device payments recorded (2025) · (408) 378-6131
Dr. Gregory Groetsema, MD
San Jose, CA · No drug or device payments recorded (2025) · (408) 947-2500
Dr. Helmut Meisl, M.D
San Jose, CA · No drug or device payments recorded (2025) · (408) 559-2011
Dr. Hien Nguyen, MD
San Jose, CA · No drug or device payments recorded (2025) · (408) 972-7000
Dr. Howard Davis, MD
San Jose, CA · $102 in drug and device payments (2025) · (408) 947-2500
Dr. Ifrah Ali, MD
San Jose, CA · No drug or device payments recorded (2025) · (408) 729-2819
Dr. Jacob Benford, MD
San Jose, CA · No drug or device payments recorded (2025) · (408) 923-7121
Dr. James Alva, M.D.
San Jose, CA · $190 in drug and device payments (2025) · (408) 455-3260
Dr. James Saunders, M.D.
San Jose, CA · $203 in drug and device payments (2025) · (630) 200-4695
Dr. James Yarovoy, M.D.
San Jose, CA · No drug or device payments recorded (2025) · (408) 259-5000
Dr. Jan Bravo, MD
San Jose, CA · $19 in drug and device payments (2025) · (408) 947-2500
Dr. Janette Magallanes, MD
San Jose, CA · No drug or device payments recorded (2025) · (408) 972-7777
Dr. Jasmine Mahesri, M.D.
San Jose, CA · No drug or device payments recorded (2025) · (408) 885-6912
Dr. Jason Balaban, MD
San Jose, CA · No drug or device payments recorded (2025) · (408) 972-7000
Dr. Jeff Chan, M.D
San Jose, CA · No drug or device payments recorded (2025) · (408) 923-7121
Dr. Jeff Chiu, D.O.
San Jose, CA · No drug or device payments recorded (2025) · (408) 885-5000
Dr. Joan Gates, M.D.
San Jose, CA · $35 in drug and device payments (2025) · (408) 947-2616
Dr. Joseph Bistrain, M.D.
San Jose, CA · No drug or device payments recorded (2025) · (408) 559-2011
Dr. Joseph Lago, MD
San Jose, CA · No drug or device payments recorded (2025) · (408) 972-7000
Dr. Juana Vargas, MD
San Jose, CA · $38 in drug and device payments (2025) · (408) 283-7666
Dr. Karen Pike, M.D
San Jose, CA · $23 in drug and device payments (2025) · (408) 559-2552
Dr. Kevin Ernsting, MD
San Jose, CA · $121 in drug and device payments (2025) · (408) 972-7000
Dr. Khoi Lam, M.D
San Jose, CA · No drug or device payments recorded (2025) · (408) 259-5000
Dr. Kieu Nguyen, M.D
San Jose, CA · No drug or device payments recorded (2025) · (408) 923-7121
Dr. Kris Johansson, M.D
San Jose, CA · No drug or device payments recorded (2025) · (408) 923-7121
Dr. Lali Singh, DO
San Jose, CA · No drug or device payments recorded (2025) · (408) 972-7777
Dr. Laura Tribuzi, M.D.
San Jose, CA · No drug or device payments recorded (2025) · (408) 947-2500
Dr. Laurel Yang, M.D.
San Jose, CA · No drug or device payments recorded (2025) · (408) 972-7000
Dr. Lawrence Livingston, M.D
San Jose, CA · No drug or device payments recorded (2025) · (408) 243-6991
Dr. Lin Naing, M.D.
San Jose, CA · No drug or device payments recorded (2025) · (408) 947-3999
Dr. Lisa Hung, DO
San Jose, CA · No drug or device payments recorded (2025) · (408) 972-7000
Dr. Lisa Yang, MD
San Jose, CA · No drug or device payments recorded (2025) · (408) 972-6140
Dr. Mahwash Hirmendi, MD
San Jose, CA · No drug or device payments recorded (2025) · (408) 649-1626
Dr. Marcelina Behnam-curry, M.D.
San Jose, CA · No drug or device payments recorded (2025) · (408) 885-5000
Dr. Marc Lawrence, MD
San Jose, CA · No drug or device payments recorded (2025) · (408) 885-6900
Dr. Marco Randazzo, MD
San Jose, CA · No drug or device payments recorded (2025) · (408) 947-2500
Dr. Marika Ennis, M.D.
San Jose, CA · No drug or device payments recorded (2025) · (408) 885-2334
Dr. Marisa Scofield, M.D.
San Jose, CA · No drug or device payments recorded (2025) · (408) 972-6140
Dr. Mark Penner, DO
San Jose, CA · No drug or device payments recorded (2025) · (408) 947-2500

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.