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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. Clayton Chiapuzio
Colton, CA · No drug or device payments recorded (2025) · (909) 580-1862
Dr. Colin Macneil, D.O.
Colton, CA · No drug or device payments recorded (2025) · (909) 580-1000
Dr. Cuong Tran, MD
Colton, CA · No drug or device payments recorded (2025) · (909) 580-1862
Dr. Danielle Weck
Colton, CA · No drug or device payments recorded (2025) · (909) 580-1862
Dr. Danny Fernandez, MD
Colton, CA · No drug or device payments recorded (2025) · (909) 580-2159
Dr. Derek Maclean, DO
Colton, CA · No drug or device payments recorded (2025) · (909) 580-1000
Dr. Derek Orchard, D.O.
Colton, CA · No drug or device payments recorded (2025) · (909) 580-1000
Dr. Dev Dhillon
Colton, CA · $33 in drug and device payments (2025) · (909) 580-1000
Dr. Dorian Snyder, M.D
Colton, CA · No drug or device payments recorded (2025) · (909) 580-1400
Dr. Douglas Jury, DO
Colton, CA · No drug or device payments recorded (2025) · (909) 580-2159
Dr. Dustin Phan, MD
Colton, CA · $64 in drug and device payments (2025) · (909) 580-1000
Dr. Dylan Hendy, D.O.
Colton, CA · No drug or device payments recorded (2025) · (909) 580-1000
Dr. Edward Kuzmack
Colton, CA · No drug or device payments recorded (2025) · (909) 580-1000
Dr. Edward Nguyen
Colton, CA · No drug or device payments recorded (2025) · (909) 580-1862
Dr. Edward Pillar, D.O
Colton, CA · No drug or device payments recorded (2025) · (909) 580-1410
Dr. Elvin Chiang, DO
Colton, CA · No drug or device payments recorded (2025) · (909) 580-3384
Dr. Eric Sechrist, D.O.
Colton, CA · No drug or device payments recorded (2025) · (909) 580-1000
Dr. Eugene Kwong, M.D
Colton, CA · No drug or device payments recorded (2025) · (909) 580-1400
Dr. Evan Houck, D.O.
Colton, CA · $16 in drug and device payments (2025) · (909) 580-1000
Dr. Franklin Alconcel, D.O.
Colton, CA · No drug or device payments recorded (2025) · (909) 580-1000
Dr. Gabriel Hintzsche, D.O.
Colton, CA · No drug or device payments recorded (2025) · (909) 580-1000
Dr. Gabriella Minera, D.O.
Colton, CA · $71 in drug and device payments (2025) · (909) 580-1000
Dr. Garrett Suchecki, DO
Colton, CA · $22 in drug and device payments (2025) · (909) 580-1862
Dr. Geetanjli Mittal
Colton, CA · No drug or device payments recorded (2025) · (909) 580-1000
Dr. Gregory Fenati, D.O.
Colton, CA · $63 in drug and device payments (2025) · (858) 344-7049
Dr. Gregory Larsen, D.O.
Colton, CA · $173 in drug and device payments (2025) · (909) 580-1000
Dr. Hasan Makda, MD, MS
Colton, CA · $33 in drug and device payments (2025) · (909) 580-2159
Dr. Ho-wang Yuen, MD
Colton, CA · $18 in drug and device payments (2025) · (909) 580-6370
Dr. Jamie Reisch
Colton, CA · No drug or device payments recorded (2025) · (909) 580-1862
Dr. Jannelle Aquino
Colton, CA · No drug or device payments recorded (2025) · (909) 580-1862
Dr. Jennifer Horan, DO
Colton, CA · No drug or device payments recorded (2025) · (909) 580-1000
Dr. Jens Johansson
Colton, CA · No drug or device payments recorded (2025) · (909) 580-1862
Dr. Jerry Hsu
Colton, CA · No drug or device payments recorded (2025) · (909) 580-2159
Dr. Joel Labha, D.O.
Colton, CA · $22 in drug and device payments (2025) · (909) 580-1000
Dr. Jordan Storkersen
Colton, CA · $25 in drug and device payments (2025) · (909) 580-1862
Dr. Joseph Salameh, D.O.
Colton, CA · No drug or device payments recorded (2025) · (909) 580-1862
Dr. Kathryn Haran, DO
Colton, CA · No drug or device payments recorded (2025) · (909) 580-1000
Dr. Kenneth Takaki, DO
Colton, CA · No drug or device payments recorded (2025) · (909) 580-6370
Dr. Lauren Bennallack, DO
Colton, CA · No drug or device payments recorded (2025) · (909) 580-1000
Dr. Leigh Avera, D.O.
Colton, CA · No drug or device payments recorded (2025) · (909) 580-1000
Dr. Mallory Willenborg, PA-C
Colton, CA · No drug or device payments recorded (2025) · (909) 580-1000
Dr. Marko Mamic, D.O.
Colton, CA · No drug or device payments recorded (2025) · (909) 580-1000
Dr. Mary Welch, D.O.
Colton, CA · $31 in drug and device payments (2025) · (909) 580-6370
Dr. Mayur Kashi
Colton, CA · No drug or device payments recorded (2025) · (408) 892-4904
Dr. Michael Kulczycki, D.O.
Colton, CA · No drug or device payments recorded (2025) · (909) 580-1000
Dr. Michael Mesisca, D.O.
Colton, CA · No drug or device payments recorded (2025) · (909) 580-6370
Dr. Michael Neeki, DO
Colton, CA · $64 in drug and device payments (2025) · (909) 580-6153
Dr. Michelle Mouri, D.O.
Colton, CA · No drug or device payments recorded (2025) · (909) 580-1000
Dr. Nathan Mjos, D.O.
Colton, CA · No drug or device payments recorded (2025) · (909) 580-1000
Dr. Nhat Tan Than, D.O.
Colton, CA · No drug or device payments recorded (2025) · (909) 580-1862

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.