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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. Chin-yu Lo, MD
Lancaster, CA · No drug or device payments recorded (2025) · (661) 940-1421
Dr. Christopher Spencer, MD
Lancaster, CA · No drug or device payments recorded (2025) · (661) 949-5000
Dr. Daniel Khodabakhsh
Lancaster, CA · No drug or device payments recorded (2025) · (661) 726-6225
Dr. Diane Kehrli, NP
Lancaster, CA · No drug or device payments recorded (2025) · (661) 949-5000
Dr. Frank Detrana, MD
Lancaster, CA · No drug or device payments recorded (2025) · (661) 949-5000
Dr. Frederic Auerbach, MD
Lancaster, CA · No drug or device payments recorded (2025) · (661) 949-5000
Dr. Jake Wilson
Lancaster, CA · No drug or device payments recorded (2025) · (661) 949-5000
Dr. Jennifer Termeer, MD
Lancaster, CA · $387 in drug and device payments (2025) · (661) 949-5115
Dr. John Zambetti, M.D.
Lancaster, CA · No drug or device payments recorded (2025) · (661) 945-5984
Dr. Joseph Hwang, M.D.
Lancaster, CA · No drug or device payments recorded (2025) · (661) 948-4781
Dr. Joshua Ireland, PA
Lancaster, CA · No drug or device payments recorded (2025) · (661) 949-5000
Dr. Kelly Hall, DVM
Lancaster, CA · No drug or device payments recorded (2025) · (661) 729-1500
Dr. Kitcha Ranch, MD
Lancaster, CA · No drug or device payments recorded (2025) · (661) 940-1421
Dr. Lawrence Stock, MD
Lancaster, CA · No drug or device payments recorded (2025) · (661) 949-5000
Dr. Mark Brown, MD
Lancaster, CA · No drug or device payments recorded (2025) · (661) 949-5000
Dr. Mary Saputo, NP
Lancaster, CA · No drug or device payments recorded (2025) · (661) 949-5000
Dr. Matthew Richard, M.D.
Lancaster, CA · No drug or device payments recorded (2025) · (661) 949-5000
Dr. Michael Leidner, MD
Lancaster, CA · No drug or device payments recorded (2025) · (661) 949-5000
Dr. Nancy Ferrel, M.D.
Lancaster, CA · No drug or device payments recorded (2025) · (661) 948-8581
Dr. Robert Richardson, M.D.
Lancaster, CA · No drug or device payments recorded (2025) · (661) 942-2391
Dr. Thomas Lee, MD
Lancaster, CA · No drug or device payments recorded (2025) · (661) 949-5000
Dr. Travis Deuson, MD
Lancaster, CA · No drug or device payments recorded (2025) · (661) 949-5000
Dr. Trent Erney, M.D.
Lancaster, CA · No drug or device payments recorded (2025) · (661) 471-4020
Dr. Jeffrey Judson, MD
La Palma, CA · No drug or device payments recorded (2025) · (714) 670-6050
Dr. Michelle Lee, D.O.
La Palma, CA · $44 in drug and device payments (2025) · (714) 670-7400
Dr. Rachelle Douglass, MD
La Palma, CA · No drug or device payments recorded (2025) · (714) 670-6133
Dr. Richard Mccauley, MD
La Palma, CA · No drug or device payments recorded (2025) · (714) 670-6050
Dr. Bohdan Olesnicky, MD
La Quinta, CA · No drug or device payments recorded (2025) · (760) 777-8377
Dr. Christine Duranceau, MD
La Quinta, CA · No drug or device payments recorded (2025) · (815) 541-0666
Dr. Debra Kuracina, M.D.
La Quinta, CA · No drug or device payments recorded (2025) · (760) 834-3593
Dr. Mark Bayer, M.D.
La Quinta, CA · $217 in drug and device payments (2025) · (760) 610-7210
Dr. Deborah Colina, M. D.
Larkspur, CA · No drug or device payments recorded (2025) · (415) 317-1662
Dr. Sharonda Covington, M.D.
Lawndale, CA · No drug or device payments recorded (2025) · (310) 569-8746
Dr. Eric Ellis, M.D.
Lincoln, CA · $59 in drug and device payments (2025) · (916) 258-2751
Dr. Gary Taff, M.D.
Little River, CA · No drug or device payments recorded (2025) · (707) 937-3686
Dr. Tanya Brown, MD
Live Oak, CA · No drug or device payments recorded (2025) · (530) 680-8306
Dr. Alexandra Lambeck, MD
Lodi, CA · No drug or device payments recorded (2025) · (209) 334-3411
Dr. Christine Mcdavit, M.D.
Lodi, CA · No drug or device payments recorded (2025) · (209) 339-7576
Dr. Dilbag Singh, MD
Lodi, CA · No drug or device payments recorded (2025) · (209) 339-7575
Dr. Genevieve Philiponis, MD
Lodi, CA · No drug or device payments recorded (2025) · (209) 334-3411
Dr. John Walter, M.D.
Lodi, CA · $117 in drug and device payments (2025) · (209) 334-3411
Dr. Jordan Baker, DO
Lodi, CA · No drug or device payments recorded (2025) · (209) 334-3411
Dr. Kevin Buckman, MD
Lodi, CA · $31,940 in drug and device payments (2025) · (209) 339-7575
Dr. Kevin Rabey, M.D.
Lodi, CA · No drug or device payments recorded (2025) · (209) 334-3411
Dr. Mark Paulekas, MD
Lodi, CA · No drug or device payments recorded (2025) · (209) 339-7575
Dr. Meghan Sampson, MD
Lodi, CA · $36 in drug and device payments (2025) · (209) 339-7576
Dr. Poppi Rodriguez-webb, D.O.
Lodi, CA · No drug or device payments recorded (2025) · (209) 334-3411
Dr. Renee Gilpen, MD
Lodi, CA · No drug or device payments recorded (2025) · (800) 617-7717
Dr. Robert Kim, MD
Lodi, CA · No drug or device payments recorded (2025) · (209) 334-3411
Dr. Abraam Attia
Loma Linda, CA · No drug or device payments recorded (2025) · (909) 558-4085

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.