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. Joyce Bond, PAWhittier, CA · No drug or device payments recorded (2025) ·
(562) 698-0811 Dr. Karin Siguenza, MDWhittier, CA · No drug or device payments recorded (2025) ·
(562) 698-0811 Dr. Kevin Andruss, M.D.Whittier, CA · No drug or device payments recorded (2025) ·
(562) 698-0811 Dr. Lucas FerreiraWhittier, CA · No drug or device payments recorded (2025) ·
(562) 698-0811 Dr. Mary Anne Mrdeza, MDWhittier, CA · No drug or device payments recorded (2025) ·
(562) 698-0811 Dr. Megan Long, MDWhittier, CA · $20 in drug and device payments (2025) ·
(562) 698-0811 Dr. Mercedeh Modir ShanechiWhittier, CA · No drug or device payments recorded (2025) ·
(562) 698-0811 Dr. Michael Agron, MDWhittier, CA · $31 in drug and device payments (2025) ·
(562) 907-1565 Dr. Michael Jordan, MDWhittier, CA · No drug or device payments recorded (2025) ·
(562) 698-0811 Dr. Michael Martin, MDWhittier, CA · No drug or device payments recorded (2025) ·
(562) 698-0811 Dr. Michael Thomas, MDWhittier, CA · No drug or device payments recorded (2025) ·
(562) 698-0811 Dr. Nathan Jasperse, MDWhittier, CA · No drug or device payments recorded (2025) ·
(562) 698-0811 Dr. Parham Farahat, M.D.Whittier, CA · $17 in drug and device payments (2025) ·
(562) 698-0811 Dr. Richard Zoraster, MDWhittier, CA · No drug or device payments recorded (2025) ·
(562) 698-0811 Dr. Robert Slough, M.D.Whittier, CA · No drug or device payments recorded (2025) ·
(562) 698-0811 Dr. Roger Woodard, MDWhittier, CA · No drug or device payments recorded (2025) ·
(562) 698-0811 Dr. Sandra Donnelly, MDWhittier, CA · No drug or device payments recorded (2025) ·
(562) 907-1565 Dr. Sofia Gambuto, MDWhittier, CA · No drug or device payments recorded (2025) ·
(562) 698-0811 Dr. Stephanie Lauw, MDWhittier, CA · No drug or device payments recorded (2025) ·
(562) 698-0811 Dr. Steven Chin, MDWhittier, CA · No drug or device payments recorded (2025) ·
(562) 698-0811 Dr. Tianci Liu, MDWhittier, CA · No drug or device payments recorded (2025) ·
(562) 698-0811 Dr. Vicky Lam, MDWhittier, CA · No drug or device payments recorded (2025) ·
(562) 598-0811 Dr. A Davila, M.D.Wildomar, CA · No drug or device payments recorded (2025) ·
(951) 677-9773 Dr. Brent Jacobsen, D.OWildomar, CA · No drug or device payments recorded (2025) ·
(909) 677-9773 Dr. Bret Ginther, M.D.Wildomar, CA · No drug or device payments recorded (2025) ·
(909) 677-9773 Dr. Christopher Leblanc, MDWildomar, CA · No drug or device payments recorded (2025) ·
(914) 420-7966 Dr. Edwin Lopez, M.D., F.A.C.E.P.Wildomar, CA · No drug or device payments recorded (2025) ·
(951) 667-1111 Dr. Jennine Borchert, P.A.-C.Wildomar, CA · No drug or device payments recorded (2025) ·
(909) 677-9773 Dr. Reza Vaezazizi, M.D.Wildomar, CA · No drug or device payments recorded (2025) ·
(951) 677-9712 Dr. Stephen Homan, D.O.Wildomar, CA · No drug or device payments recorded (2025) ·
(951) 677-1111 Dr. Steven Kim, M.D.Wildomar, CA · $52 in drug and device payments (2025) ·
(909) 677-9773 Dr. Zeke FosterWildomar, CA · No drug or device payments recorded (2025) ·
(951) 677-1111 Dr. Zeljka Kostich, M.DWildomar, CA · No drug or device payments recorded (2025) ·
(951) 677-1111 Dr. Ace Barash, M.D.Willits, CA · $474 in drug and device payments (2025) ·
(707) 459-6855 Dr. Everett ShareckWillows, CA · No drug or device payments recorded (2025) ·
(530) 934-1800 Dr. Gary Carson, MDWillows, CA · No drug or device payments recorded (2025) ·
(530) 934-1800 Dr. Marc Bracy, MDWillows, CA · No drug or device payments recorded (2025) ·
(530) 934-1800 Dr. Jim Seraj, M.D.Winchester, CA · $132 in drug and device payments (2025) ·
(949) 549-1000 Dr. Joshua Kucker, MDWindsor, CA · No drug or device payments recorded (2025) ·
(904) 307-3440 Dr. Sherman Washington, MDWinnetka, CA · No drug or device payments recorded (2025) ·
(818) 424-9176 Dr. Daniel Bolster, M.D.Woodland, CA · No drug or device payments recorded (2025) ·
(530) 662-3961 Dr. Jessica Chabot, M.D.Woodland, CA · No drug or device payments recorded (2025) ·
(530) 668-2656 Dr. Rigoberto Barba, MDWoodland, CA · No drug or device payments recorded (2025) ·
(530) 669-1608 Dr. Ara Gabrielian, MDWoodland Hills, CA · No drug or device payments recorded (2025) ·
(818) 719-2000 Dr. Ashwin Ramakrishnan, M.D.Woodland Hills, CA · No drug or device payments recorded (2025) ·
(818) 719-3600 Dr. Bessie Gavrilis, MDWoodland Hills, CA · No drug or device payments recorded (2025) ·
(818) 719-2000 Dr. Chu Tan, MDWoodland Hills, CA · No drug or device payments recorded (2025) ·
(818) 719-2000 Dr. Coco Chen, MDWoodland Hills, CA · No drug or device payments recorded (2025) ·
(818) 719-2000 Dr. David Cohen, DOWoodland Hills, CA · No drug or device payments recorded (2025) ·
(818) 746-6352 Dr. Donald Jong, MDWoodland Hills, CA · No drug or device payments recorded (2025) ·
(818) 719-2000 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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