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 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. Ryan Snow, MDTwentynine Palms, CA · No drug or device payments recorded (2025) ·
(760) 830-2117 Dr. Silvana Toro, D.O.Twentynine Palms, CA · No drug or device payments recorded (2025) ·
(760) 830-2117 Dr. Alejandro Casillas, M.D.Ukiah, CA · No drug or device payments recorded (2025) ·
(707) 462-7900 Dr. Barry Sheppard, MDUkiah, CA · No drug or device payments recorded (2025) ·
(707) 462-7900 Dr. Charlie Evans, MDUkiah, CA · No drug or device payments recorded (2025) ·
(707) 462-7900 Dr. Debbie Marks, MDUkiah, CA · No drug or device payments recorded (2025) ·
(707) 462-7900 Dr. Gary Fausone, MDUkiah, CA · No drug or device payments recorded (2025) ·
(707) 462-7900 Dr. Jennifer Zernec, D.O.Ukiah, CA · No drug or device payments recorded (2025) ·
(707) 463-7330 Dr. Melissa Murray, MDUkiah, CA · No drug or device payments recorded (2025) ·
(707) 464-3111 Dr. Ronald Gester, MDUkiah, CA · No drug or device payments recorded (2025) ·
(707) 462-7900 Dr. Sasha Yusem, DOUkiah, CA · No drug or device payments recorded (2025) ·
(707) 462-3111 Dr. Tyler Mueller, MDUkiah, CA · No drug or device payments recorded (2025) ·
(707) 380-1075 Dr. Allan Bock, MDUpland, CA · No drug or device payments recorded (2025) ·
(909) 985-2811 Dr. Dalia Nassman, D.O.Upland, CA · No drug or device payments recorded (2025) ·
(909) 985-2811 Dr. Deborah Washke, MDUpland, CA · No drug or device payments recorded (2025) ·
(909) 985-2811 Dr. Dennis Trigueros, MDUpland, CA · No drug or device payments recorded (2025) ·
(909) 985-2811 Dr. Heather Crane, MDUpland, CA · No drug or device payments recorded (2025) ·
(909) 985-2811 Dr. James Fisgus, MDUpland, CA · No drug or device payments recorded (2025) ·
(909) 985-2811 Dr. Larry Potts, MDUpland, CA · No drug or device payments recorded (2025) ·
(909) 985-2811 Dr. Liezl Avila, D.O.Upland, CA · No drug or device payments recorded (2025) ·
(909) 985-2811 Dr. Nedra Vincent, MDUpland, CA · No drug or device payments recorded (2025) ·
(909) 985-2811 Dr. Pablo Razo, MDUpland, CA · No drug or device payments recorded (2025) ·
(909) 985-2811 Dr. Scott Miller, M.D.Upland, CA · No drug or device payments recorded (2025) ·
(909) 985-2811 Dr. Steven Ernst, MDUpland, CA · No drug or device payments recorded (2025) ·
(909) 985-2811 Dr. Aileen Jaber, MDVacaville, CA · No drug or device payments recorded (2025) ·
(707) 453-5000 Dr. Amanda Jackson, MDVacaville, CA · No drug or device payments recorded (2025) ·
(707) 624-4000 Dr. Andrew Keown, MDVacaville, CA · No drug or device payments recorded (2025) ·
(707) 624-4000 Dr. Anisa Heravian, M.D.Vacaville, CA · No drug or device payments recorded (2025) · Telehealth ·
(707) 685-6122 Dr. Daniel Morris, M.DVacaville, CA · No drug or device payments recorded (2025) ·
(707) 651-3373 Dr. Drew Castillo, MDVacaville, CA · No drug or device payments recorded (2025) · Telehealth ·
(707) 624-4000 Dr. Emily Wing, MDVacaville, CA · No drug or device payments recorded (2025) · Telehealth ·
(707) 624-4000 Dr. Ian Doig, MDVacaville, CA · No drug or device payments recorded (2025) ·
(170) 762-4400 Dr. Jennifer Sperandio, MDVacaville, CA · No drug or device payments recorded (2025) ·
(707) 453-5000 Dr. Joshua Kessack, D.O.Vacaville, CA · No drug or device payments recorded (2025) ·
(707) 624-4000 Dr. Juan Davila, MDVacaville, CA · No drug or device payments recorded (2025) ·
(707) 624-4000 Dr. Kathleen Rowland, MDVacaville, CA · No drug or device payments recorded (2025) ·
(707) 624-4000 Dr. Khanh Tran, MDVacaville, CA · No drug or device payments recorded (2025) ·
(707) 624-4000 Dr. Maricel Romelia Dela CruzVacaville, CA · $156 in drug and device payments (2025) ·
(707) 624-4000 Dr. Melissa Gaspar, MDVacaville, CA · No drug or device payments recorded (2025) ·
(707) 624-4000 Dr. Milagros Gomez, PA-CVacaville, CA · No drug or device payments recorded (2025) ·
(707) 446-4000 Dr. Nathan Finch, MDVacaville, CA · No drug or device payments recorded (2025) ·
(847) 363-1661 Dr. Samuel Kim, M.D.Vacaville, CA · No drug or device payments recorded (2025) ·
(707) 624-4000 Dr. Sarah Courtney, DOVacaville, CA · No drug or device payments recorded (2025) ·
(707) 624-4000 Dr. Scott Sweeny, D.O.Vacaville, CA · No drug or device payments recorded (2025) ·
(707) 624-2600 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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