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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. Nancy Sun, M.D.
Simi Valley, CA · $148 in drug and device payments (2025) · (805) 955-6107
Dr. Siobhan Newman, MD
Simi Valley, CA · No drug or device payments recorded (2025) · (805) 579-3981
Dr. Virginia Valadka, M.D.
Simi Valley, CA · No drug or device payments recorded (2025) · (805) 955-6000
Dr. Steven Mcnamara, MD
So Lake Tahoe, CA · No drug or device payments recorded (2025) · (530) 541-3420
Dr. Christy Hendrickson, M.D.
Solana Beach, CA · No drug or device payments recorded (2025) · (858) 755-2215
Dr. Robert Mcwhirter, M.D.
Solana Beach, CA · No drug or device payments recorded (2025) · (714) 296-0550
Dr. Christopher Hutton, MD
Solvang, CA · No drug or device payments recorded (2025) · (805) 686-3989
Dr. Garrett Norvell, MD
Solvang, CA · No drug or device payments recorded (2025) · (805) 686-3989
Dr. Jasjit Adlakha, MD
Solvang, CA · No drug or device payments recorded (2025) · (831) 334-4158
Dr. Jo Hauser, MD
Solvang, CA · No drug or device payments recorded (2025) · (805) 688-6431
Dr. Lisa Hall-moore, MD
Solvang, CA · No drug or device payments recorded (2025) · (805) 688-6431
Dr. Nils Tanaka, MD
Solvang, CA · No drug or device payments recorded (2025) · (805) 688-6431
Dr. Robert Sterling, MD
Solvang, CA · No drug or device payments recorded (2025) · (805) 688-6431
Dr. Travis Mellon, D.O.
Solvang, CA · No drug or device payments recorded (2025) · (805) 686-3989
Dr. Erick French, MD
Sonoma, CA · No drug or device payments recorded (2025) · (707) 935-5000
Dr. Jay Goldberg, MD
Sonoma, CA · No drug or device payments recorded (2025) · (707) 935-5100
Dr. Leslie Graham, M.D.
Sonoma, CA · No drug or device payments recorded (2025) · (707) 935-5100
Dr. Mark Wills, MD
Sonoma, CA · No drug or device payments recorded (2025) · (707) 935-5100
Dr. Nicolas Sawyer, M.D.
Sonoma, CA · No drug or device payments recorded (2025) · (707) 935-5000
Dr. Robert Petty, DO
Sonoma, CA · No drug or device payments recorded (2025) · (360) 708-7940
Dr. Stephen Kahn, MD
Sonoma, CA · $5,625 in drug and device payments (2025) · (707) 935-5100
Dr. William Keyser, MD
Sonoma, CA · No drug or device payments recorded (2025) · (707) 935-5100
Dr. Blake Cleveland, M.D.
Sonora, CA · $26 in drug and device payments (2025) · (209) 532-1326
Dr. Daniel Tupy
Sonora, CA · No drug or device payments recorded (2025) · (209) 263-0803
Dr. Donald Dudley, M.D.
Sonora, CA · No drug or device payments recorded (2025) · (209) 536-3460
Dr. Donald Klatt, M.D.
Sonora, CA · $25 in drug and device payments (2025) · (209) 536-3460
Dr. Michael Forster, MD
Sonora, CA · No drug or device payments recorded (2025) · (209) 533-7100
Dr. Robert Lyons, M.D.
Sonora, CA · No drug or device payments recorded (2025) · (209) 536-5000
Dr. Ron Hood, MD
Sonora, CA · No drug or device payments recorded (2025) · (209) 533-7100
Dr. Ryan Pappal
Sonora, CA · No drug or device payments recorded (2025) · (209) 536-5000
Dr. Stephanie Stuart, M.D.
Sonora, CA · No drug or device payments recorded (2025) · (209) 532-5000
Dr. Steven Joye, DO
Sonora, CA · No drug or device payments recorded (2025) · (209) 532-5000
Dr. Travis Wassermann, MD
Sonora, CA · No drug or device payments recorded (2025) · (209) 536-5000
Dr. William Bowie, M.D.
Sonora, CA · No drug or device payments recorded (2025) · (209) 532-3167
Dr. William Wu, D.O.
Sonora, CA · No drug or device payments recorded (2025) · (209) 263-0803
Dr. David Kassel, MD
Soquel, CA · No drug or device payments recorded (2025) · (831) 688-8680
Dr. James White, MD
Soquel, CA · No drug or device payments recorded (2025) · (831) 854-7599
Dr. Anh Mai, M.D.
South El Monte, CA · No drug or device payments recorded (2025) · (626) 679-7777
Dr. Assibi Abudu, M.D.
South El Monte, CA · No drug or device payments recorded (2025) · (626) 350-7957
Dr. Weyjuin Chao, M.D.
South El Monte, CA · No drug or device payments recorded (2025) · (626) 579-7777
Dr. Allison Brewer, MD
South Lake Tahoe, CA · No drug or device payments recorded (2025) · (530) 541-3420
Dr. Amy Anton, MD
South Lake Tahoe, CA · No drug or device payments recorded (2025) · (530) 541-3420
Dr. Clinton Masterson, M.D.
South Lake Tahoe, CA · No drug or device payments recorded (2025) · (530) 541-3420
Dr. Corey Mc Leod, MD
South Lake Tahoe, CA · No drug or device payments recorded (2025) · (530) 541-3420
Dr. Dennis Martinez, MD
South Lake Tahoe, CA · No drug or device payments recorded (2025) · (530) 541-3420
Dr. Elizabeth Mcnamara, M.D.
South Lake Tahoe, CA · $20 in drug and device payments (2025) · (530) 541-3420
Dr. Kandra Yee, MD
South Lake Tahoe, CA · No drug or device payments recorded (2025) · (530) 541-3420
Dr. Kathi Glauner, MD
South Lake Tahoe, CA · No drug or device payments recorded (2025) · (530) 541-3420
Dr. Lance Orr, MD
South Lake Tahoe, CA · No drug or device payments recorded (2025) · (530) 541-3420
Dr. Lars Ensign, MD
South Lake Tahoe, CA · No drug or device payments recorded (2025) · (530) 541-3420

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.