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. Cathy DongRiverside, CA · No drug or device payments recorded (2025) ·
(801) 671-8901 Dr. Chad Clark, M.D.Riverside, CA · $64 in drug and device payments (2025) ·
(951) 352-5666 Dr. Charles Walters, MDRiverside, CA · No drug or device payments recorded (2025) ·
(909) 353-2000 Dr. Chloe Summerland, MDRiverside, CA · No drug or device payments recorded (2025) ·
(951) 788-3124 Dr. Christine BlackRiverside, CA · No drug or device payments recorded (2025) ·
(951) 788-3000 Dr. Curtis Knight, M.D.Riverside, CA · No drug or device payments recorded (2025) ·
(951) 788-3000 Dr. Daniel Chang, M.D.Riverside, CA · $36 in drug and device payments (2025) ·
(951) 696-6161 Dr. Daniel Ng, MDRiverside, CA · No drug or device payments recorded (2025) ·
(510) 437-4800 Dr. David Wooding, MDRiverside, CA · No drug or device payments recorded (2025) ·
(909) 353-2000 Dr. Desiree PasillasRiverside, CA · No drug or device payments recorded (2025) ·
(951) 345-2142 Dr. Devan PandyaRiverside, CA · No drug or device payments recorded (2025) ·
(951) 788-3000 Dr. Diane Kuniyoshi, MDRiverside, CA · No drug or device payments recorded (2025) ·
(909) 353-2000 Dr. Doug Williamson, MDRiverside, CA · No drug or device payments recorded (2025) ·
(909) 353-2000 Dr. Edward Magee, MD, MPHRiverside, CA · No drug or device payments recorded (2025) ·
(951) 788-3297 Dr. Elvia Orrillo, M.D.Riverside, CA · No drug or device payments recorded (2025) ·
(951) 352-5666 Dr. Emerald RaneyRiverside, CA · No drug or device payments recorded (2025) ·
(951) 788-3537 Dr. Eric Frykman, M.D.Riverside, CA · $449 in drug and device payments (2025) · Telehealth ·
(951) 782-3715 Dr. Ernest Woodhouse, M.D.Riverside, CA · No drug or device payments recorded (2025) ·
(951) 788-3200 Dr. Erwin KongRiverside, CA · No drug or device payments recorded (2025) ·
(510) 304-6700 Dr. Eugene Chan, M.D.Riverside, CA · No drug or device payments recorded (2025) ·
(951) 788-3000 Dr. Faheem Jukaku, MDRiverside, CA · No drug or device payments recorded (2025) ·
(951) 358-6035 Dr. Franklin Gbenedio, DORiverside, CA · No drug or device payments recorded (2025) ·
(909) 353-2000 Dr. Gerald Ngo, MDRiverside, CA · $28 in drug and device payments (2025) ·
(951) 352-5666 Dr. Gerardo GuerraRiverside, CA · $21 in drug and device payments (2025) ·
(562) 458-4035 Dr. Humberto Silva, M.D.Riverside, CA · No drug or device payments recorded (2025) ·
(951) 352-5666 Dr. Igor KrivitskiyRiverside, CA · No drug or device payments recorded (2025) ·
(951) 788-3000 Dr. Imran Faruqi, M.DRiverside, CA · No drug or device payments recorded (2025) ·
(951) 353-2000 Dr. James Kim, M.DRiverside, CA · $62 in drug and device payments (2025) ·
(909) 788-3000 Dr. Jason An, M.D.Riverside, CA · No drug or device payments recorded (2025) ·
(951) 684-3910 Dr. Jeffrey HuRiverside, CA · No drug or device payments recorded (2025) ·
(408) 315-3901 Dr. Jessica Truong, MDRiverside, CA · No drug or device payments recorded (2025) ·
(951) 788-3536 Dr. John AbedRiverside, CA · $362 in drug and device payments (2025) ·
(310) 200-7199 Dr. John Christian Costumbrado, M.D.Riverside, CA · No drug or device payments recorded (2025) ·
(951) 788-3000 Dr. John Moubarek, MDRiverside, CA · No drug or device payments recorded (2025) ·
(951) 788-3537 Dr. John Osborne, M.DRiverside, CA · No drug or device payments recorded (2025) ·
(909) 788-3000 Dr. Joseph Fargusson, M.D.Riverside, CA · No drug or device payments recorded (2025) ·
(951) 788-3000 Dr. Julia GlavinicRiverside, CA · No drug or device payments recorded (2025) ·
(909) 478-5554 Dr. Julie Kasarjian, M.D., PH.D.Riverside, CA · $367 in drug and device payments (2025) ·
(951) 683-6596 Dr. Julius Ibanez, M.D.Riverside, CA · No drug or device payments recorded (2025) ·
(951) 352-5666 Dr. Kathy Chuang, MDRiverside, CA · No drug or device payments recorded (2025) ·
(951) 353-3970 Dr. Kendrick Belardo, MDRiverside, CA · No drug or device payments recorded (2025) ·
(951) 205-3340 Dr. Kenneth Dale, D.ORiverside, CA · No drug or device payments recorded (2025) ·
(951) 788-3000 Dr. Kenneth Johnson, MDRiverside, CA · No drug or device payments recorded (2025) ·
(951) 788-3537 Dr. Kenneth Nickson, M.DRiverside, CA · No drug or device payments recorded (2025) ·
(909) 788-3000 Dr. Kevin Sawchuk, MDRiverside, CA · $43 in drug and device payments (2025) ·
(951) 688-2211 Dr. Lawrence Mazur, DORiverside, CA · No drug or device payments recorded (2025) ·
(909) 353-2000 Dr. Manparbodh KaurRiverside, CA · No drug or device payments recorded (2025) ·
(760) 514-6099 Dr. Marcus Voth, M.DRiverside, CA · No drug or device payments recorded (2025) ·
(909) 788-3000 Dr. Margarita Mendoza, MDRiverside, CA · No drug or device payments recorded (2025) ·
(951) 353-2000 Dr. Maria Tobar, MDRiverside, CA · No drug or device payments recorded (2025) ·
(951) 788-3536 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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