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. Lilian Li, MDBellflower, CA · No drug or device payments recorded (2025) ·
(562) 461-3000 Dr. Linda Olsen, MDBellflower, CA · No drug or device payments recorded (2025) ·
(800) 823-4040 Dr. Michael Aigner, MDBellflower, CA · No drug or device payments recorded (2025) ·
(562) 461-3000 Dr. Nathan Mcneil, MDBellflower, CA · No drug or device payments recorded (2025) ·
(562) 461-3000 Dr. Nina Nash, MDBellflower, CA · No drug or device payments recorded (2025) ·
(562) 461-3000 Dr. Peter Tsai, MDBellflower, CA · No drug or device payments recorded (2025) ·
(562) 461-3000 Dr. Peter Yamashita, MDBellflower, CA · No drug or device payments recorded (2025) ·
(562) 461-3000 Dr. Pravin Acharya, MDBellflower, CA · No drug or device payments recorded (2025) ·
(562) 461-3000 Dr. Rebecca Ruiz, M.D.Bellflower, CA · No drug or device payments recorded (2025) ·
(562) 925-8355 Dr. Richard Ludlow, MDBellflower, CA · No drug or device payments recorded (2025) ·
(562) 461-3000 Dr. Richard Newell, MDBellflower, CA · No drug or device payments recorded (2025) ·
(562) 461-3000 Dr. Scott Gwaltney, M.D.Bellflower, CA · No drug or device payments recorded (2025) ·
(562) 461-4195 Dr. Steve Nguyen, MDBellflower, CA · $226 in drug and device payments (2025) ·
(562) 461-3000 Dr. Susan Gonzalez, MDBellflower, CA · No drug or device payments recorded (2025) ·
(562) 461-3000 Dr. Ti Tsay, MDBellflower, CA · $12,459 in drug and device payments (2025) ·
(562) 461-3000 Dr. Victor Nwaenia, MDBellflower, CA · No drug or device payments recorded (2025) ·
(562) 461-3000 Dr. Vincent Han, MDBellflower, CA · No drug or device payments recorded (2025) ·
(562) 461-3000 Dr. Vuong Ta, MDBellflower, CA · $122 in drug and device payments (2025) ·
(562) 461-3000 Dr. Zachary Shinar, M.D.Bellflower, CA · $153 in drug and device payments (2025) ·
(626) 403-1923 Dr. Joseph Barton, M.D.Benicia, CA · No drug or device payments recorded (2025) ·
(412) 398-2441 Dr. Larry Bowman, M.D.Benicia, CA · No drug or device payments recorded (2025) ·
(707) 567-7891 Dr. Abanoub Paul HannaBerkeley, CA · No drug or device payments recorded (2025) ·
(510) 204-4444 Dr. Alex Fox, MDBerkeley, CA · No drug or device payments recorded (2025) ·
(510) 204-4444 Dr. Altaf Ansari, MDBerkeley, CA · No drug or device payments recorded (2025) ·
(510) 204-5514 Dr. Ami YamamotoBerkeley, CA · No drug or device payments recorded (2025) ·
(510) 204-4723 Dr. Andrew Osugi, M.D.Berkeley, CA · No drug or device payments recorded (2025) ·
(510) 655-4000 Dr. Brian Hinrichsen, PABerkeley, CA · No drug or device payments recorded (2025) ·
(510) 204-2500 Dr. Brian Potts, MDBerkeley, CA · No drug or device payments recorded (2025) ·
(925) 962-1800 Dr. Chris Feng, MDBerkeley, CA · No drug or device payments recorded (2025) ·
(877) 346-2211 Dr. Daniel Mccormack, PABerkeley, CA · No drug or device payments recorded (2025) ·
(510) 204-4444 Dr. David Chen, M.D.Berkeley, CA · No drug or device payments recorded (2025) ·
(510) 204-4444 Dr. Dev Dhanoa, M.D.Berkeley, CA · No drug or device payments recorded (2025) ·
(510) 527-3195 Dr. Dominic Pappas, MDBerkeley, CA · No drug or device payments recorded (2025) ·
(510) 204-4444 Dr. Elton Mcamis, MDBerkeley, CA · No drug or device payments recorded (2025) ·
(510) 204-4444 Dr. Grace Tarng, M.D.Berkeley, CA · No drug or device payments recorded (2025) ·
(510) 204-4723 Dr. Helen Jackson, M.D.Berkeley, CA · No drug or device payments recorded (2025) ·
(510) 204-5514 Dr. Howard Backer, MDBerkeley, CA · $56 in drug and device payments (2025) ·
(510) 642-6621 Dr. James Hirshberg, M.D.Berkeley, CA · No drug or device payments recorded (2025) ·
(510) 204-2500 Dr. James Starr, MDBerkeley, CA · No drug or device payments recorded (2025) ·
(510) 204-4723 Dr. Jeff Chen, DRBerkeley, CA · No drug or device payments recorded (2025) ·
(510) 204-2500 Dr. Jessica Li, M.D.Berkeley, CA · No drug or device payments recorded (2025) ·
(415) 806-5797 Dr. John Skovran, D.O.Berkeley, CA · No drug or device payments recorded (2025) ·
(215) 456-6336 Dr. Joseph Pinizzotto, DOBerkeley, CA · No drug or device payments recorded (2025) ·
(215) 456-3834 Dr. Karen Carothers, MDBerkeley, CA · $17 in drug and device payments (2025) ·
(510) 204-4444 Dr. Lindsay Walker, MDBerkeley, CA · No drug or device payments recorded (2025) ·
(510) 204-5541 Dr. Marjorie Macqueen, PABerkeley, CA · No drug or device payments recorded (2025) ·
(510) 204-4444 Dr. Melissa Tang, M.D.Berkeley, CA · $465 in drug and device payments (2025) ·
(510) 204-4444 Dr. Melissa Tom, MDBerkeley, CA · No drug or device payments recorded (2025) ·
(543) 843-1200 Dr. Michael Jugo, MDBerkeley, CA · No drug or device payments recorded (2025) ·
(510) 843-1200 Dr. Michael Kessler, MDBerkeley, CA · No drug or device payments recorded (2025) ·
(510) 204-4444 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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