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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. Ignacio Zarate, MD
Anaheim, CA · No drug or device payments recorded (2025) · (714) 774-1450
Dr. Isai Lopez, MD
Anaheim, CA · No drug or device payments recorded (2025) · (714) 774-1450
Dr. Jai Ho, MD
Anaheim, CA · No drug or device payments recorded (2025) · (714) 774-1450
Dr. James Truong, MD
Anaheim, CA · $124 in drug and device payments (2025) · (888) 988-2800
Dr. Javier Rangel, M.D.
Anaheim, CA · No drug or device payments recorded (2025) · (714) 563-2808
Dr. Jennifer Mason, MD
Anaheim, CA · No drug or device payments recorded (2025) · (714) 827-3000
Dr. John Mccoy, D.O.
Anaheim, CA · No drug or device payments recorded (2025) · (714) 644-2800
Dr. John Miller, MD
Anaheim, CA · No drug or device payments recorded (2025) · (888) 988-2800
Dr. John Parker, MD
Anaheim, CA · No drug or device payments recorded (2025) · (888) 988-2800
Dr. Jonathan Birnbaum, MD
Anaheim, CA · No drug or device payments recorded (2025) · (714) 827-3000
Dr. Keith Errecart, MD
Anaheim, CA · No drug or device payments recorded (2025) · (714) 827-3000
Dr. Kevin Chen, M.D.
Anaheim, CA · No drug or device payments recorded (2025) · (714) 533-6220
Dr. Kurt Mueller, M.D.
Anaheim, CA · $119 in drug and device payments (2025) · (951) 737-4343
Dr. Lisa Josephson, MD
Anaheim, CA · No drug or device payments recorded (2025) · (714) 827-3000
Dr. Michael Nestor, MD
Anaheim, CA · No drug or device payments recorded (2025) · (888) 988-2800
Dr. Milton Kawabe, MD
Anaheim, CA · No drug or device payments recorded (2025) · (888) 988-2800
Dr. Mohammad Rajper, MD
Anaheim, CA · $30 in drug and device payments (2025) · (714) 220-4533
Dr. Nak Chhiv, MD
Anaheim, CA · No drug or device payments recorded (2025) · (888) 988-2800
Dr. Pamela Garcia, D.O.
Anaheim, CA · No drug or device payments recorded (2025) · (714) 533-6220
Dr. Ralph Conner, DO
Anaheim, CA · No drug or device payments recorded (2025) · (714) 220-4533
Dr. Richard Oxman, M.D.
Anaheim, CA · No drug or device payments recorded (2025) · (714) 774-1450
Dr. Robert Becker, MD
Anaheim, CA · No drug or device payments recorded (2025) · (888) 988-2800
Dr. Rocky Benoit, MD
Anaheim, CA · No drug or device payments recorded (2025) · (714) 566-4464
Dr. Samuel Saelee, MD
Anaheim, CA · No drug or device payments recorded (2025) · (714) 774-1450
Dr. Scott Johnson, MD
Anaheim, CA · No drug or device payments recorded (2025) · (888) 988-2800
Dr. Sean Wilson, MD
Anaheim, CA · No drug or device payments recorded (2025) · (714) 644-2800
Dr. Shahin Roshanzaer, DO
Anaheim, CA · No drug or device payments recorded (2025) · (888) 988-2800
Dr. Stephanie Chen, M.D.
Anaheim, CA · No drug or device payments recorded (2025) · (714) 644-2842
Dr. Steve Bergier, MD
Anaheim, CA · No drug or device payments recorded (2025) · (888) 988-2800
Dr. Susan Socha, DO
Anaheim, CA · No drug or device payments recorded (2025) · (714) 774-1450
Dr. Tasha Fernando, M.D.
Anaheim, CA · No drug or device payments recorded (2025) · (714) 817-3000
Dr. Teodora Bonuan, MD
Anaheim, CA · No drug or device payments recorded (2025) · (714) 220-4533
Dr. Todd Newton, MD
Anaheim, CA · No drug or device payments recorded (2025) · (888) 988-2800
Dr. Vijay Wali, MD
Anaheim, CA · $599 in drug and device payments (2025) · (714) 774-1450
Dr. William Honigman, MD
Anaheim, CA · No drug or device payments recorded (2025) · (888) 988-2800
Dr. Aaron Cutshaw, MD
Antioch, CA · No drug or device payments recorded (2025) · (925) 813-6500
Dr. Ambreen Rahman, D.O.
Antioch, CA · No drug or device payments recorded (2025) · (510) 247-6436
Dr. Andre Baitoo, MD
Antioch, CA · No drug or device payments recorded (2025) · (925) 813-3695
Dr. Charlotte Hull, D.O.
Antioch, CA · No drug or device payments recorded (2025) · (925) 779-7200
Dr. Daniel Sonnier, MD
Antioch, CA · No drug or device payments recorded (2025) · (925) 779-5000
Dr. Duoc Nguyen, MD
Antioch, CA · No drug or device payments recorded (2025) · (925) 779-5000
Dr. Edward Yu, DO
Antioch, CA · No drug or device payments recorded (2025) · (925) 813-6880
Dr. Elyas Parsa, D.O.
Antioch, CA · No drug or device payments recorded (2025) · (925) 756-3499
Dr. Honora Considine Cortelyou, M.D.
Antioch, CA · No drug or device payments recorded (2025) · (925) 779-3522
Dr. Ivan Cavaliere, MD
Antioch, CA · No drug or device payments recorded (2025) · (925) 779-5000
Dr. James Shieh, M.D
Antioch, CA · No drug or device payments recorded (2025) · (925) 779-7273
Dr. Janet Young, M.D.
Antioch, CA · No drug or device payments recorded (2025) · (925) 779-7200
Dr. Kathleen Regacho, MD
Antioch, CA · No drug or device payments recorded (2025) · (925) 779-3522
Dr. Khanh Nguyen, M.D.
Antioch, CA · No drug or device payments recorded (2025) · (510) 350-2657
Dr. Mary Fitzsimons, M.D
Antioch, CA · No drug or device payments recorded (2025) · (925) 779-7273

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.