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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. Katie Doering, MD
Orange, CA · No drug or device payments recorded (2025) · (805) 587-2231
Dr. Kelly Kesler, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-5922
Dr. Kelly Murphy, M.D.
Orange, CA · No drug or device payments recorded (2025) · (508) 944-7903
Dr. Kenneth Kim, M.D
Orange, CA · No drug or device payments recorded (2025) · Telehealth · (714) 456-5922
Dr. Kimberly Sokol, M.D.
Orange, CA · $21 in drug and device payments (2025) · (714) 456-7890
Dr. Kristi L Koenig, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-8978
Dr. Kristin Lewis, MD
Orange, CA · $16 in drug and device payments (2025) · (714) 880-7812
Dr. Kyle Dornhofer
Orange, CA · No drug or device payments recorded (2025) · (714) 456-8116
Dr. Kyle Fierro, MD
Orange, CA · No drug or device payments recorded (2025) · (707) 478-4888
Dr. Kyle Kwok, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 889-8278
Dr. Lauren Lamparter
Orange, CA · No drug or device payments recorded (2025) · (714) 456-8888
Dr. Linda Soldavini, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-5922
Dr. Lindsey Spiegelman, MD
Orange, CA · $188 in drug and device payments (2025) · (714) 456-5239
Dr. Luke Walls-smith, MD
Orange, CA · $87 in drug and device payments (2025) · (714) 456-5239
Dr. Lynette Sequeira, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 633-9111
Dr. Madelyn Huttner, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-8888
Dr. Mai Tram Riquier, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-8888
Dr. Maja Feldman
Orange, CA · No drug or device payments recorded (2025) · (714) 456-5239
Dr. Mark Langdorf, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 880-7812
Dr. Mark Lee, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 633-0011
Dr. Mark Slader, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-7890
Dr. Matthew Abrishamian, MD
Orange, CA · $41 in drug and device payments (2025) · (714) 771-8000
Dr. Matthew Weber, M.D.
Orange, CA · $16 in drug and device payments (2025) · (714) 456-5705
Dr. Matthew Whited, MD
Orange, CA · $32 in drug and device payments (2025) · (714) 456-5239
Dr. Maximillian Smitham, DO
Orange, CA · No drug or device payments recorded (2025) · (714) 456-5239
Dr. Megan Guy, MD
Orange, CA · $334 in drug and device payments (2025) · (714) 880-7812
Dr. Megan Osborn, M.D.
Orange, CA · $258 in drug and device payments (2025) · (714) 456-5705
Dr. Melissa Rudolph, MD
Orange, CA · $152 in drug and device payments (2025) · (714) 543-8911
Dr. Michael Anderson, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 633-9111
Dr. Michael J Burns, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-2986
Dr. Michael Lambing, DO
Orange, CA · No drug or device payments recorded (2025) · (714) 456-8888
Dr. Michael Menchine, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-8978
Dr. Michael Mirhadi, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-5705
Dr. Michael Valdivia, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-5239
Dr. Michelle Lambing, DO
Orange, CA · No drug or device payments recorded (2025) · (714) 456-7890
Dr. Michelle Nguyen, MD
Orange, CA · $26 in drug and device payments (2025) · (714) 456-8888
Dr. Mohammad Subeh, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-8934
Dr. Nadia Zuabi, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-5239
Dr. Nikita Joshi, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 456-8888
Dr. Nima Moradian, D.O.
Orange, CA · No drug or device payments recorded (2025) · (714) 456-8008
Dr. Omar Amr, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 456-5922
Dr. Pardeep Thandi, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 456-8888
Dr. Parth Patel, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 880-7812
Dr. Patrick Popa, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 456-5705
Dr. Paul Ziesmer, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 633-9111
Dr. Rishi Bhargava, MD
Orange, CA · No drug or device payments recorded (2025) · (714) 633-9111
Dr. Robert Katzer, M.D.
Orange, CA · No drug or device payments recorded (2025) · (510) 910-6981
Dr. Robert Rowe, M.D.
Orange, CA · $1,066 in drug and device payments (2025) · (714) 456-5239
Dr. Rod Mortazavi, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 456-8888
Dr. Roman Navarro, M.D.
Orange, CA · No drug or device payments recorded (2025) · (714) 456-7890

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.