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. Joseph Rubino, MDRedwood City, CA · No drug or device payments recorded (2025) ·
(650) 299-2000 Dr. Julie Westover, MDRedwood City, CA · No drug or device payments recorded (2025) ·
(650) 299-2000 Dr. Kara Takeuchi, MDRedwood City, CA · No drug or device payments recorded (2025) ·
(650) 299-2000 Dr. Kirsten Stewart, MDRedwood City, CA · No drug or device payments recorded (2025) ·
(650) 299-2000 Dr. Lauren Polen, MDRedwood City, CA · No drug or device payments recorded (2025) ·
(650) 299-2201 Dr. Marisa Smith, MDRedwood City, CA · No drug or device payments recorded (2025) ·
(650) 299-2000 Dr. Micheal Heinrich, M.D.Redwood City, CA · No drug or device payments recorded (2025) ·
(650) 364-1565 Dr. My Tuyet Tran, MDRedwood City, CA · No drug or device payments recorded (2025) ·
(650) 299-2000 Dr. Poroshat Tabar, DORedwood City, CA · No drug or device payments recorded (2025) ·
(650) 299-2000 Dr. Renee Hsia, MDRedwood City, CA · No drug or device payments recorded (2025) ·
(650) 299-2000 Dr. Sean Bourke, M.DRedwood City, CA · No drug or device payments recorded (2025) ·
(650) 369-5811 Dr. Stacey LakinRedwood City, CA · No drug or device payments recorded (2025) ·
(650) 299-2000 Dr. Sunil Bhopale, MDRedwood City, CA · No drug or device payments recorded (2025) ·
(650) 299-2000 Dr. Walter Eades, MDRedwood City, CA · No drug or device payments recorded (2025) ·
(650) 299-2000 Dr. Elvin DiazReedley, CA · No drug or device payments recorded (2025) ·
(559) 638-8155 Dr. Homayoun SohrabiReedley, CA · No drug or device payments recorded (2025) ·
(559) 638-8155 Dr. Nancy HuynhReedley, CA · No drug or device payments recorded (2025) ·
(209) 547-7146 Dr. Edidiong Ikpe, M.D.Reseda, CA · No drug or device payments recorded (2025) ·
(203) 500-5317 Dr. Ayad Makar, M.D.Rialto, CA · No drug or device payments recorded (2025) ·
(909) 874-2371 Dr. Ken Nguyen, D.O.Rialto, CA · $1,048 in drug and device payments (2025) ·
(909) 874-2371 Dr. Alvin Tang, MDRichmond, CA · No drug or device payments recorded (2025) ·
(510) 307-1500 Dr. Christopher Gaut, MDRichmond, CA · No drug or device payments recorded (2025) ·
(510) 307-1500 Dr. David Levinson, MDRichmond, CA · No drug or device payments recorded (2025) ·
(510) 307-1500 Dr. Eric Hsia, MDRichmond, CA · No drug or device payments recorded (2025) ·
(510) 307-1500 Dr. Helen Kuo, MDRichmond, CA · $25 in drug and device payments (2025) ·
(510) 307-1500 Dr. Ira Weiner, MDRichmond, CA · $173 in drug and device payments (2025) ·
(510) 307-1500 Dr. James Koss, M.D.Richmond, CA · No drug or device payments recorded (2025) ·
(415) 608-3092 Dr. James Lawrence, MDRichmond, CA · No drug or device payments recorded (2025) ·
(510) 307-1500 Dr. Krista Huerta, MDRichmond, CA · No drug or device payments recorded (2025) ·
(510) 307-1722 Dr. Laura KwohRichmond, CA · No drug or device payments recorded (2025) ·
(510) 915-2653 Dr. Timothy Quinn, MDRichmond, CA · No drug or device payments recorded (2025) ·
(510) 307-1500 Dr. William Gittlen, MDRichmond, CA · No drug or device payments recorded (2025) ·
(510) 307-1500 Dr. Charles Shull, M.D.Ridgecrest, CA · No drug or device payments recorded (2025) ·
(760) 446-3551 Dr. Joshua RadparvarRidgecrest, CA · No drug or device payments recorded (2025) ·
(760) 446-3551 Dr. Stephanie Crapo, MDRidgecrest, CA · No drug or device payments recorded (2025) ·
(760) 499-3521 Dr. Sunit DalalRidgecrest, CA · No drug or device payments recorded (2025) ·
(760) 446-3551 Dr. Abe VeppumtharaRiverside, CA · No drug or device payments recorded (2025) ·
(951) 353-3558 Dr. Adrian Agudelo, MDRiverside, CA · No drug or device payments recorded (2025) ·
(951) 788-3537 Dr. Amal AsgharRiverside, CA · No drug or device payments recorded (2025) ·
(951) 788-3000 Dr. Ashwin SharmaRiverside, CA · No drug or device payments recorded (2025) ·
(951) 205-3340 Dr. Barbara Blasko, MDRiverside, CA · No drug or device payments recorded (2025) ·
(909) 353-2000 Dr. Bella KochuveliRiverside, CA · No drug or device payments recorded (2025) ·
(951) 353-3790 Dr. Benjamen Schoenberg, MDRiverside, CA · No drug or device payments recorded (2025) ·
(951) 788-3537 Dr. Bo Gustafsson, M.D.Riverside, CA · No drug or device payments recorded (2025) ·
(951) 788-3000 Dr. Brennan ChangRiverside, CA · No drug or device payments recorded (2025) ·
(951) 788-3000 Dr. Bret Kilker, M.D.Riverside, CA · No drug or device payments recorded (2025) ·
(951) 353-2000 Dr. Brian Henry SangalangRiverside, CA · No drug or device payments recorded (2025) ·
(951) 827-4568 Dr. Brianna ThiessenRiverside, CA · No drug or device payments recorded (2025) ·
(833) 574-2273 Dr. Brian Shin, PHYSICIAN ASSISTANTRiverside, CA · $33 in drug and device payments (2025) ·
(951) 214-0212 Dr. Bruce Kim, MDRiverside, CA · No drug or device payments recorded (2025) ·
(909) 353-2000 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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