HealthcareDiscovery.AI / Doctors / California / Emergency Medicine

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. Richard Leahy, MD
Oakland, CA · No drug or device payments recorded (2025) · (510) 752-1000
Dr. Ritesh Bhandari, MD
Oakland, CA · No drug or device payments recorded (2025) · (510) 752-1000
Dr. Robert Golomb, MD
Oakland, CA · No drug or device payments recorded (2025) · (510) 655-4000
Dr. Robert Rothstein, MD
Oakland, CA · No drug or device payments recorded (2025) · (301) 943-9161
Dr. Robert Valentine, PA
Oakland, CA · No drug or device payments recorded (2025) · (510) 655-4000
Dr. Ronald Stallings, M.D.
Oakland, CA · No drug or device payments recorded (2025) · (510) 436-9000
Dr. Ron Dieckmann, M.D.
Oakland, CA · No drug or device payments recorded (2025) · (510) 213-1815
Dr. Ronn Berrol, MD
Oakland, CA · No drug or device payments recorded (2025) · (510) 665-4000
Dr. Sakina Hyder, DO
Oakland, CA · No drug or device payments recorded (2025) · (510) 368-1261
Dr. Samantha Honner, MD
Oakland, CA · No drug or device payments recorded (2025) · (510) 437-4564
Dr. Samantha Huo, MD
Oakland, CA · No drug or device payments recorded (2025) · Telehealth · (510) 437-4800
Dr. Sarah Kennedy, MD
Oakland, CA · No drug or device payments recorded (2025) · (510) 752-1000
Dr. Scar Guo
Oakland, CA · No drug or device payments recorded (2025) · (510) 437-4564
Dr. Scott Landeck, MD
Oakland, CA · No drug or device payments recorded (2025) · (510) 436-9013
Dr. Senai Kidane, MD
Oakland, CA · No drug or device payments recorded (2025) · (510) 752-1000
Dr. Serena Hua
Oakland, CA · No drug or device payments recorded (2025) · (510) 752-1000
Dr. Shandi Hansen, M.D.
Oakland, CA · No drug or device payments recorded (2025) · (510) 437-4564
Dr. Shane Petrites, MD
Oakland, CA · No drug or device payments recorded (2025) · (510) 437-4564
Dr. Shreya Thatai, MD
Oakland, CA · No drug or device payments recorded (2025) · (510) 437-4800
Dr. Stanford Ishihara, MD
Oakland, CA · No drug or device payments recorded (2025) · (510) 752-1000
Dr. Stephen Chin, MD
Oakland, CA · No drug or device payments recorded (2025) · (510) 869-8700
Dr. Stephen Miller, MD
Oakland, CA · No drug or device payments recorded (2025) · (209) 342-2300
Dr. Stephen Wheeler, MD
Oakland, CA · No drug or device payments recorded (2025) · (209) 342-2300
Dr. Steven Bailey, MD
Oakland, CA · No drug or device payments recorded (2025) · (510) 752-1000
Dr. Steven Levine, MD
Oakland, CA · No drug or device payments recorded (2025) · (510) 752-1000
Dr. Steven Sornsin, MD
Oakland, CA · No drug or device payments recorded (2025) · (510) 655-4000
Dr. Suzanne Lippert, MD
Oakland, CA · No drug or device payments recorded (2025) · (510) 752-1000
Dr. Suzanne Summer, MD
Oakland, CA · No drug or device payments recorded (2025) · (510) 752-1000
Dr. Sylvia Pina Paz
Oakland, CA · No drug or device payments recorded (2025) · (408) 826-9897
Dr. Tanuja Karunakar, DO
Oakland, CA · No drug or device payments recorded (2025) · (510) 752-1000
Dr. Tara Benesch, MD, MS
Oakland, CA · No drug or device payments recorded (2025) · (510) 752-1000
Dr. Tessa Adler, MD
Oakland, CA · No drug or device payments recorded (2025) · (510) 437-4564
Dr. Thomas Catron, MD
Oakland, CA · No drug or device payments recorded (2025) · (510) 752-1000
Dr. Thomas Dalton, MD
Oakland, CA · No drug or device payments recorded (2025) · (510) 428-3331
Dr. Thomas Heflin
Oakland, CA · No drug or device payments recorded (2025) · (510) 437-4800
Dr. Tiffany Anaebere, M.D.
Oakland, CA · No drug or device payments recorded (2025) · (510) 437-4564
Dr. Todd Seigel, MD
Oakland, CA · No drug or device payments recorded (2025) · (510) 752-1000
Dr. Trek Mizoguchi
Oakland, CA · No drug or device payments recorded (2025) · (510) 428-3331
Dr. Virat Madia, M.D.
Oakland, CA · No drug or device payments recorded (2025) · (510) 437-4564
Dr. William Birdsong, MD
Oakland, CA · No drug or device payments recorded (2025) · (510) 808-4030
Dr. Wrenn Levenberg, MD
Oakland, CA · No drug or device payments recorded (2025) · (510) 752-1000
Dr. Yang Wang, MD
Oakland, CA · No drug or device payments recorded (2025) · (510) 752-1000
Dr. Yusuke Kimura, MD
Oakland, CA · No drug or device payments recorded (2025) · (510) 752-1000
Dr. Zeenat Khan, MD
Oakland, CA · $15 in drug and device payments (2025) · (510) 752-1000
Dr. Ariana Dillman, M.D.
Oceanside, CA · No drug or device payments recorded (2025) · (760) 439-1963
Dr. Aron Munson, MD, MPH
Oceanside, CA · No drug or device payments recorded (2025) · (760) 724-8411
Dr. Austin Kinney, M.D.
Oceanside, CA · No drug or device payments recorded (2025) · (760) 404-5630
Dr. Bismark Oh, MD
Oceanside, CA · No drug or device payments recorded (2025) · (760) 439-1963
Dr. Brendon Gelford
Oceanside, CA · No drug or device payments recorded (2025) · (760) 622-3722
Dr. Cary Mells, M.D.
Oceanside, CA · $23 in drug and device payments (2025) · (760) 940-3505

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

Emergency Medicine in all 50 states Search all 7,777 in the directory Ask Zach for help choosing

Related

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
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.