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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. Andrew Wong, D.O.
San Leandro, CA · No drug or device payments recorded (2025) · (510) 454-1000
Dr. Anthony Le, M.D.
San Leandro, CA · No drug or device payments recorded (2025) · (510) 454-1000
Dr. Anthony Montefusco
San Leandro, CA · No drug or device payments recorded (2025) · (209) 342-2300
Dr. Arnold Spanjers, MD
San Leandro, CA · No drug or device payments recorded (2025) · (510) 454-1000
Dr. Benjamin Feldman, M.D.
San Leandro, CA · No drug or device payments recorded (2025) · (510) 454-1000
Dr. Bing Shen, M.D.
San Leandro, CA · No drug or device payments recorded (2025) · (510) 454-1000
Dr. Brian Cutcliffe, M.D.
San Leandro, CA · No drug or device payments recorded (2025) · (510) 454-1000
Dr. Calder Conner, MD
San Leandro, CA · No drug or device payments recorded (2025) · (510) 351-3553
Dr. Cameron Jones, MD
San Leandro, CA · No drug or device payments recorded (2025) · (510) 591-3590
Dr. Chin-hsiang Feng
San Leandro, CA · No drug or device payments recorded (2025) · (510) 518-5598
Dr. David Park, M.D.
San Leandro, CA · No drug or device payments recorded (2025) · (510) 454-1000
Dr. Edris Afzali, M.D.
San Leandro, CA · No drug or device payments recorded (2025) · (510) 667-4545
Dr. Emily Chien
San Leandro, CA · No drug or device payments recorded (2025) · (718) 245-4798
Dr. Eric Pai
San Leandro, CA · No drug or device payments recorded (2025) · (510) 454-1000
Dr. Gail Hubbell
San Leandro, CA · No drug or device payments recorded (2025) · (209) 342-2300
Dr. George Brown, M.D.
San Leandro, CA · No drug or device payments recorded (2025) · (510) 454-1000
Dr. Grace Lee, M.D.
San Leandro, CA · $100 in drug and device payments (2025) · (510) 454-1000
Dr. Harris Schneider, MD
San Leandro, CA · No drug or device payments recorded (2025) · (510) 918-4877
Dr. Irina Kalika, M.D.
San Leandro, CA · No drug or device payments recorded (2025) · (510) 454-1000
Dr. James Keaney, MD
San Leandro, CA · $38 in drug and device payments (2025) · (209) 342-2300
Dr. Javad Hashmi, MD
San Leandro, CA · No drug or device payments recorded (2025) · (510) 357-6500
Dr. Jay Goldman, M.D.
San Leandro, CA · No drug or device payments recorded (2025) · (510) 454-1000
Dr. Jenna Rousseau, MD
San Leandro, CA · No drug or device payments recorded (2025) · (510) 648-9701
Dr. Jennifer Teng, MD
San Leandro, CA · No drug or device payments recorded (2025) · (510) 454-1000
Dr. Joel Chiu
San Leandro, CA · $128 in drug and device payments (2025) · Telehealth · (209) 342-2300
Dr. Karolina Hawn, MD
San Leandro, CA · No drug or device payments recorded (2025) · (510) 454-1000
Dr. Kenneth Harley, MD
San Leandro, CA · No drug or device payments recorded (2025) · (510) 351-2100
Dr. Kenneth Kumamoto, MD
San Leandro, CA · $106 in drug and device payments (2025) · (209) 342-2300
Dr. Lawrence Lau
San Leandro, CA · No drug or device payments recorded (2025) · (408) 897-6497
Dr. Lewis Baker, M.D.
San Leandro, CA · No drug or device payments recorded (2025) · (510) 454-1000
Dr. Louis Yu, M.D.
San Leandro, CA · No drug or device payments recorded (2025) · (510) 454-1000
Dr. Lucy Hormberg, MD
San Leandro, CA · No drug or device payments recorded (2025) · (510) 454-4382
Dr. Marc Andrews, M.D.
San Leandro, CA · No drug or device payments recorded (2025) · (510) 454-1000
Dr. Mark Tanaka, M.D.
San Leandro, CA · No drug or device payments recorded (2025) · (510) 454-1000
Dr. Mary Hatcher-dewey, M.D.
San Leandro, CA · No drug or device payments recorded (2025) · (510) 454-1000
Dr. Matthew Hughes, MD
San Leandro, CA · No drug or device payments recorded (2025) · Telehealth · (510) 357-6500
Dr. Quan Chen, MD
San Leandro, CA · No drug or device payments recorded (2025) · (510) 454-1000
Dr. Rabiatu Abdullah, M.D.
San Leandro, CA · No drug or device payments recorded (2025) · (510) 454-1000
Dr. Rafael Lima, MD
San Leandro, CA · No drug or device payments recorded (2025) · (510) 454-1000
Dr. Rebecca Lozano, MD
San Leandro, CA · No drug or device payments recorded (2025) · (510) 454-1000
Dr. Reza Borhani, D.O.
San Leandro, CA · No drug or device payments recorded (2025) · (510) 454-1000
Dr. Richard Rodriguez, M.D.
San Leandro, CA · No drug or device payments recorded (2025) · (510) 454-1000
Dr. Robert Fan, M.D.
San Leandro, CA · $281 in drug and device payments (2025) · (510) 454-1000
Dr. Robert Greenberg, M.D.
San Leandro, CA · No drug or device payments recorded (2025) · (510) 454-1000
Dr. Robyn Weiss, M.D.
San Leandro, CA · No drug or device payments recorded (2025) · (510) 454-1000
Dr. Rogelio Dawkins
San Leandro, CA · No drug or device payments recorded (2025) · Telehealth · (209) 342-2300
Dr. Sarabeth Copos, MD
San Leandro, CA · No drug or device payments recorded (2025) · (510) 454-1000
Dr. Shabnam Kapur, M.D.
San Leandro, CA · No drug or device payments recorded (2025) · (510) 454-1000
Dr. Steven Le, M.D.
San Leandro, CA · No drug or device payments recorded (2025) · (510) 454-4348
Dr. Ted Apstein, M.D.
San Leandro, CA · No drug or device payments recorded (2025) · (510) 736-6767

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.