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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. James Hardebeck, MD
Fontana, CA · No drug or device payments recorded (2025) · (909) 427-3910
Dr. Joe Whittington, MD
Fontana, CA · $35,000 in drug and device payments (2025) · (909) 427-3910
Dr. Jonathan Chock, MD
Fontana, CA · No drug or device payments recorded (2025) · (909) 427-3910
Dr. Jorge Heredia, M.D.
Fontana, CA · No drug or device payments recorded (2025) · (951) 427-5000
Dr. Justin Britton, M.D.
Fontana, CA · No drug or device payments recorded (2025) · (909) 427-5000
Dr. Karita Goulbourne, MD
Fontana, CA · No drug or device payments recorded (2025) · (909) 427-3910
Dr. Kim Trinh, M.D.
Fontana, CA · $61 in drug and device payments (2025) · (951) 333-1581
Dr. Lisa Chen, M.D.
Fontana, CA · $110 in drug and device payments (2025) · (909) 427-5000
Dr. Lisa Yee
Fontana, CA · No drug or device payments recorded (2025) · (909) 427-5000
Dr. Lorna Turner, MD
Fontana, CA · No drug or device payments recorded (2025) · (909) 427-3910
Dr. Marisa Look
Fontana, CA · No drug or device payments recorded (2025) · (909) 441-6664
Dr. Nabil Noujaim, MD
Fontana, CA · No drug or device payments recorded (2025) · (909) 427-3910
Dr. Nancy Svitek, M.D.
Fontana, CA · No drug or device payments recorded (2025) · (909) 427-5000
Dr. Neelu Kohli, M.D.
Fontana, CA · No drug or device payments recorded (2025) · (909) 823-0000
Dr. Pierre Assaf, MD
Fontana, CA · No drug or device payments recorded (2025) · (909) 427-5524
Dr. Pushkar Chand, M.D.
Fontana, CA · No drug or device payments recorded (2025) · (909) 427-5000
Dr. Ronald Lugo, MD
Fontana, CA · No drug or device payments recorded (2025) · (909) 427-3910
Dr. Russell Hsieh, M.D.
Fontana, CA · No drug or device payments recorded (2025) · (915) 545-6500
Dr. Santiago Lopez
Fontana, CA · No drug or device payments recorded (2025) · (833) 574-2273
Dr. Scott Stoughton, DO
Fontana, CA · No drug or device payments recorded (2025) · (909) 427-3910
Dr. Scott Walker, MD
Fontana, CA · No drug or device payments recorded (2025) · (909) 427-3910
Dr. Shant Kalanjian, MD
Fontana, CA · No drug or device payments recorded (2025) · (909) 427-3910
Dr. Silas Chiu, M.D.
Fontana, CA · No drug or device payments recorded (2025) · (909) 427-5000
Dr. Tam Dao, M.D.
Fontana, CA · No drug or device payments recorded (2025) · (909) 427-5000
Dr. Tao Nguyen, M.D.
Fontana, CA · No drug or device payments recorded (2025) · Telehealth · (909) 427-5524
Dr. Tina Nguyen, MD
Fontana, CA · No drug or device payments recorded (2025) · (800) 464-4000
Dr. Ting Young, MD
Fontana, CA · No drug or device payments recorded (2025) · (909) 427-3910
Dr. Vanessa Reynolds, MD
Fontana, CA · No drug or device payments recorded (2025) · (909) 427-3910
Dr. Victoria Gillis, MD
Fontana, CA · No drug or device payments recorded (2025) · (888) 750-0036
Dr. Winnie Chang
Fontana, CA · $21 in drug and device payments (2025) · (909) 427-5000
Dr. Wook Kang, M.D.
Fontana, CA · No drug or device payments recorded (2025) · (909) 427-7253
Dr. Zakiyyah Rasheed, D.O.
Fontana, CA · No drug or device payments recorded (2025) · (909) 427-5000
Dr. Barbara Kilian, MD
Fort Bragg, CA · No drug or device payments recorded (2025) · (917) 327-1516
Dr. Patrick Lenaghan, M.D.
Fort Bragg, CA · No drug or device payments recorded (2025) · (202) 247-7081
Dr. Richard Reid, MD
Fort Bragg, CA · No drug or device payments recorded (2025) · (707) 961-1234
Dr. Tamaki Myers, MD
Fort Bragg, CA · No drug or device payments recorded (2025) · (707) 961-1234
Dr. Brittany Kirch, DO
Fort Irwin, CA · No drug or device payments recorded (2025) · (730) 383-5574
Dr. Kihyun Kim, D.O.
Fort Irwin, CA · No drug or device payments recorded (2025) · (760) 383-5575
Dr. Warren Johnson, MD
Fort Irwin, CA · No drug or device payments recorded (2025) · (760) 380-9407
Dr. Eric Zacharias, M.D.
Fortuna, CA · No drug or device payments recorded (2025) · (707) 725-3611
Dr. Glenn Siegfried, M.D.
Fortuna, CA · No drug or device payments recorded (2025) · (707) 725-3361
Dr. Michael Schafle, M.D.
Fortuna, CA · No drug or device payments recorded (2025) · (707) 725-6072
Dr. Daniel Kates, MD
Foster City, CA · No drug or device payments recorded (2025) · (650) 522-5357
Dr. Craig Farmer, M.D.
Fountain Valley, CA · No drug or device payments recorded (2025) · (714) 966-7200
Dr. David De Haas, M.D.
Fountain Valley, CA · No drug or device payments recorded (2025) · (714) 378-7535
Dr. David Moss, MD
Fountain Valley, CA · No drug or device payments recorded (2025) · Telehealth · (714) 966-7200
Dr. Douglas Anderson, MD
Fountain Valley, CA · $30 in drug and device payments (2025) · (714) 966-7200
Dr. Douglas Dennis, M.D.
Fountain Valley, CA · $64 in drug and device payments (2025) · (714) 378-7535
Dr. Eric Nelson, MD
Fountain Valley, CA · No drug or device payments recorded (2025) · (714) 966-7200
Dr. John Yee, M.D.
Fountain Valley, CA · $143 in drug and device payments (2025) · (714) 378-7535

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.