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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. Teri Miller, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 794-0585
Dr. Thomas George, DO
Los Angeles, CA · No drug or device payments recorded (2025) · (213) 748-2411
Dr. Thomas Mailhot, M.D.
Los Angeles, CA · $116 in drug and device payments (2025) · (213) 748-2411
Dr. Tiffany Abramson, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (213) 977-2121
Dr. Tiffany Hsieh
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 794-0585
Dr. Tiffany Mitchell, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (213) 335-7355
Dr. Tiglath Ziyeh
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 794-0785
Dr. Tina Chao, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 857-2000
Dr. Tina Wu, M.D., M.B.A.
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (212) 263-5506
Dr. Todd Larsen, M.D.
Los Angeles, CA · $20 in drug and device payments (2025) · (323) 226-6667
Dr. Todd Schneberk, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 409-1000
Dr. Tressa Calloway
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 226-2170
Dr. Tzu-jen Tzao, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (424) 338-8144
Dr. Ulises Garcia, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 226-6937
Dr. Val Warhaft, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 932-5105
Dr. Vanessa Kreger, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 226-7556
Dr. Vanessa Palomares, MD
Los Angeles, CA · $145 in drug and device payments (2025) · (213) 748-2411
Dr. Varsha Aravindabose, DO
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 268-5000
Dr. Veronica Rosen, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (915) 433-7373
Dr. Veronica Vasquez-montez, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (213) 977-2121
Dr. Vicky Nguyen, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 794-0585
Dr. Vincent Bennett, MD
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (323) 913-4892
Dr. Vinit Madhvani, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 932-5101
Dr. Walter Bush, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 932-5105
Dr. Wendy Lin, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 423-8780
Dr. Wendy Ruggeri, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 980-4137
Dr. Wesley Gaschler, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 794-0585
Dr. Whitney Johnson, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (213) 977-2121
Dr. William Armstrong, MD
Los Angeles, CA · $45 in drug and device payments (2025) · (213) 748-2411
Dr. William Lattos, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (213) 742-1013
Dr. William Scheving, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 794-0785
Dr. Won Ki Chae, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (213) 977-2121
Dr. Woo Suk Hong, MD
Los Angeles, CA · $10 in drug and device payments (2025) · (310) 794-0785
Dr. Yaser Khilfeh, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 268-5514
Dr. Yian Cheng, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 226-3978
Dr. Yun Choi, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 226-6667
Dr. Yunfai Ng, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (213) 748-2411
Dr. Zabiullah Nessary, PA
Los Angeles, CA · $43 in drug and device payments (2025) · (323) 932-5105
Dr. Zachary Reichert, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (269) 313-2022
Dr. Zachary Wilson, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 857-3161
Dr. Zahir Basrai, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (103) 478-3711
Dr. Zainab Ahmed
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 825-9111
Dr. Byron Carcelen, MD
Los Banos, CA · No drug or device payments recorded (2025) · (209) 826-0591
Dr. Clare Johnson, M.D.
Los Banos, CA · No drug or device payments recorded (2025) · (209) 826-0591
Dr. Paul Iwai, MD
Los Banos, CA · No drug or device payments recorded (2025) · (209) 826-0591
Dr. Phillip Silverstein, MD
Los Banos, CA · No drug or device payments recorded (2025) · (209) 826-0591
Dr. Robert Thrailkill, MD
Los Banos, CA · $43 in drug and device payments (2025) · (209) 826-0591
Dr. Thirukkanankudi Viswanathan, MD
Los Banos, CA · No drug or device payments recorded (2025) · (209) 826-0591
Dr. Balaji Venkat, D.O.
Los Gatos, CA · No drug or device payments recorded (2025) · (408) 730-6200
Dr. Edward Klofas, M.D
Los Gatos, CA · No drug or device payments recorded (2025) · (408) 378-6131

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.