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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. Ramin Tabatabai, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 226-6667
Dr. Rebecca Bavolek, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 825-9111
Dr. Rebecca Mall
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 226-2170
Dr. Renzo Cardena, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (909) 472-1990
Dr. Reza Hessabi, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 825-9111
Dr. Reza Jadvar, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4011
Dr. Reza Jamehdor, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 226-6667
Dr. Ricardo Mestres, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 226-6937
Dr. Ricardo Padilla, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 409-1000
Dr. Richard Hill, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 989-8326
Dr. Richard Knecht
Los Angeles, CA · No drug or device payments recorded (2025) · (801) 787-0087
Dr. Richard May
Los Angeles, CA · No drug or device payments recorded (2025) · (213) 744-3945
Dr. Ricky Amii, MD
Los Angeles, CA · $157 in drug and device payments (2025) · (310) 825-2111
Dr. Rito Castanon-hill, M.D.
Los Angeles, CA · $124 in drug and device payments (2025) · (310) 902-0903
Dr. Robert Allen
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 409-6696
Dr. Robert Casey, MD
Los Angeles, CA · $134 in drug and device payments (2025) · (617) 645-9527
Dr. Robert Haas, D.O.
Los Angeles, CA · $20 in drug and device payments (2025) · (213) 748-2411
Dr. Robert Hlavin, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 442-7256
Dr. Robert Kerns, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (213) 977-2423
Dr. Robert Lynch, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 932-5105
Dr. Robert Mangel, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4011
Dr. Robert Paquette, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 913-4892
Dr. Robert Rodriguez, MD
Los Angeles, CA · $1,563 in drug and device payments (2025) · (310) 825-2111
Dr. Robert Ungar, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4011
Dr. Robin Polansky, MD, MPH
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 857-3161
Dr. Ronald Lieberman, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (213) 977-2423
Dr. Rowen Jin, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 409-1000
Dr. Roxanna Sadri, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 226-6667
Dr. Roy Akarakian, MD
Los Angeles, CA · $457 in drug and device payments (2025) · (323) 442-8500
Dr. Ruben Guzman Jr, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 409-1945
Dr. Russell Johnson, M.D.
Los Angeles, CA · $192 in drug and device payments (2025) · Telehealth · (310) 206-8000
Dr. Ryan Farquhar
Los Angeles, CA · No drug or device payments recorded (2025) · (213) 748-2411
Dr. Ryan O'connor, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 990-9979
Dr. Ryan Passaro
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 409-1000
Dr. Ryan Perdomo, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 268-5000
Dr. Sabrina Tom, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 794-0585
Dr. Salvador Rios, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (213) 977-2121
Dr. Saman Borghei, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 226-2622
Dr. Samantha Kadera, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 267-8400
Dr. Samantha Nanayakkara, MD
Los Angeles, CA · $66 in drug and device payments (2025) · (323) 409-1000
Dr. Samuel Beckerman, M.D., PH.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 226-6937
Dr. Samuel Melton, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 226-6667
Dr. Samuel Schuberg, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (213) 977-2121
Dr. Sandra Thomasian, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 423-8600
Dr. Sanjay Arora
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 226-2170
Dr. Sanjeev Seth, MD
Los Angeles, CA · $193 in drug and device payments (2025) · (213) 484-7111
Dr. Santano Rosario, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 825-9111
Dr. Sara Crager, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 825-2111
Dr. Sarah Abedi, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (719) 900-2551
Dr. Sarah Hsu, DO
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 409-1000

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.