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. Gregory Veazey, M.D.Temecula, CA · No drug or device payments recorded (2025) ·
(951) 331-2280 Dr. Jacob KleinTemecula, CA · No drug or device payments recorded (2025) ·
(951) 331-2535 Dr. Jailyn Avila, M.D.Temecula, CA · $60 in drug and device payments (2025) ·
(951) 365-6865 Dr. Jaroslaw Sasanka, M.D.Temecula, CA · No drug or device payments recorded (2025) ·
(951) 302-5700 Dr. Karmen Kazma, MDTemecula, CA · No drug or device payments recorded (2025) ·
(951) 331-2535 Dr. Macey JohnsonTemecula, CA · $35 in drug and device payments (2025) ·
(951) 331-2535 Dr. Malaak Hamzeh, MDTemecula, CA · No drug or device payments recorded (2025) ·
(951) 331-2535 Dr. Matthew Tiacharoen, MDTemecula, CA · No drug or device payments recorded (2025) ·
(951) 331-2535 Dr. Nagehan Ayakta, MDTemecula, CA · No drug or device payments recorded (2025) ·
(951) 331-2280 Dr. Natalie Bonthius, MDTemecula, CA · No drug or device payments recorded (2025) ·
(951) 331-2535 Dr. Philine Endres-shafer, MDTemecula, CA · No drug or device payments recorded (2025) ·
(951) 331-2535 Dr. Ryan Itoh, MDTemecula, CA · No drug or device payments recorded (2025) ·
(951) 331-2535 Dr. Shane GatelyTemecula, CA · No drug or device payments recorded (2025) ·
(951) 331-2535 Dr. Taylor Bashara, MDTemecula, CA · No drug or device payments recorded (2025) ·
(951) 331-2535 Dr. Taylor Fernberg, MDTemecula, CA · No drug or device payments recorded (2025) ·
(951) 331-2535 Dr. Thomas RauserTemecula, CA · No drug or device payments recorded (2025) ·
(951) 331-2535 Dr. Brian Koch, MDTempleton, CA · No drug or device payments recorded (2025) ·
(805) 435-3500 Dr. Cinnamon Redd, MDTempleton, CA · No drug or device payments recorded (2025) ·
(805) 434-3500 Dr. Dugald Chisholm, M.D.Templeton, CA · No drug or device payments recorded (2025) ·
(805) 434-1869 Dr. Gary Lucchesi, MDTempleton, CA · No drug or device payments recorded (2025) ·
(805) 434-1869 Dr. George Hansen, MDTempleton, CA · No drug or device payments recorded (2025) ·
(805) 546-7650 Dr. George Lum, MDTempleton, CA · No drug or device payments recorded (2025) ·
(805) 434-3500 Dr. Gregory Frye, MDTempleton, CA · No drug or device payments recorded (2025) ·
(805) 546-7650 Dr. Gregory Robertson, MDTempleton, CA · $308 in drug and device payments (2025) ·
(805) 434-3500 Dr. Jason Redd, MDTempleton, CA · No drug or device payments recorded (2025) ·
(805) 434-3500 Dr. Raul Easton-carr, M.D.Templeton, CA · No drug or device payments recorded (2025) ·
(805) 434-1869 Dr. Robert Latta, M.D.Templeton, CA · No drug or device payments recorded (2025) ·
(805) 434-3699 Dr. Scott Bisheff, MDTempleton, CA · No drug or device payments recorded (2025) ·
(805) 546-7650 Dr. Steven Benaron, MDTempleton, CA · No drug or device payments recorded (2025) ·
(805) 546-7650 Dr. Thomas Hale, MDTempleton, CA · No drug or device payments recorded (2025) ·
(805) 434-3500 Dr. William Buys, DOTempleton, CA · No drug or device payments recorded (2025) ·
(805) 546-7650 Dr. Autumn Solis, FNP-BCThousand Oaks, CA · No drug or device payments recorded (2025) ·
(805) 370-4435 Dr. Barry Pollack, M.D.Thousand Oaks, CA · No drug or device payments recorded (2025) ·
(805) 370-4435 Dr. Charles Stemple, DOThousand Oaks, CA · $17,593 in drug and device payments (2025) ·
(513) 675-8558 Dr. Daoud Ajeen, MDThousand Oaks, CA · No drug or device payments recorded (2025) ·
(805) 852-9215 Dr. Evelyn Cardenas, M.D.Thousand Oaks, CA · No drug or device payments recorded (2025) ·
(805) 370-4435 Dr. Heaveen Ahdi, MDThousand Oaks, CA · No drug or device payments recorded (2025) ·
(805) 497-2727 Dr. John Kudirka, M.D.Thousand Oaks, CA · No drug or device payments recorded (2025) ·
(805) 370-4435 Dr. Ophelia Sanders, M.D.Thousand Oaks, CA · No drug or device payments recorded (2025) ·
(805) 370-4435 Dr. Paul David, M.D.Thousand Oaks, CA · No drug or device payments recorded (2025) ·
(805) 370-4435 Dr. Roland Bastian, M.D.Thousand Oaks, CA · No drug or device payments recorded (2025) ·
(805) 370-4435 Dr. Sandra Tuero, M.D.Thousand Oaks, CA · $409 in drug and device payments (2025) ·
(805) 418-9105 Dr. Tuyet Tran, M.D.Thousand Oaks, CA · No drug or device payments recorded (2025) ·
(805) 495-2727 Dr. Yogesh Vaje, MDThousand Oaks, CA · No drug or device payments recorded (2025) ·
(805) 852-9215 Dr. Marshall Berens, MDTopanga, CA · No drug or device payments recorded (2025) ·
(818) 292-0413 Dr. Aaron Gladman, MDTorrance, CA · No drug or device payments recorded (2025) ·
(310) 222-3501 Dr. Aaron Katrikh, MDTorrance, CA · $66 in drug and device payments (2025) ·
(424) 306-5400 Dr. Adam Barnes, MDTorrance, CA · $36 in drug and device payments (2025) ·
(310) 222-2345 Dr. Adedamola Ogunniyi, M.D.Torrance, CA · No drug or device payments recorded (2025) ·
(310) 222-3501 Dr. Ahmed Farhat, MDTorrance, CA · No drug or device payments recorded (2025) ·
(310) 222-2345 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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