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. Chris Kim, D.ORancho Mirage, CA · $160 in drug and device payments (2025) ·
(760) 340-3911 Dr. Colton Southall, MDRancho Mirage, CA · No drug or device payments recorded (2025) ·
(760) 340-3911 Dr. Cosmin FlorescuRancho Mirage, CA · No drug or device payments recorded (2025) ·
(760) 773-1451 Dr. David Romness, MDRancho Mirage, CA · $57 in drug and device payments (2025) ·
(760) 773-1221 Dr. David Tang, M.D.Rancho Mirage, CA · $67 in drug and device payments (2025) ·
(760) 773-1221 Dr. Dennis Magnotto, MDRancho Mirage, CA · No drug or device payments recorded (2025) ·
(760) 674-3847 Dr. Diana Chien, DORancho Mirage, CA · No drug or device payments recorded (2025) ·
(760) 541-9357 Dr. Edward Cooper, M.D.Rancho Mirage, CA · No drug or device payments recorded (2025) ·
(760) 773-1221 Dr. Elizabeth Marquart, M.D.Rancho Mirage, CA · No drug or device payments recorded (2025) ·
(760) 340-3911 Dr. Elizabeth Siacunco, MDRancho Mirage, CA · No drug or device payments recorded (2025) ·
(760) 340-3911 Dr. Euthym Kontaxis, MDRancho Mirage, CA · No drug or device payments recorded (2025) ·
(760) 773-1221 Dr. Francis Domzalski, MDRancho Mirage, CA · No drug or device payments recorded (2025) ·
(760) 834-3593 Dr. Gregory Apel, M.D.Rancho Mirage, CA · No drug or device payments recorded (2025) ·
(760) 340-3911 Dr. Herald Ostovar, M.D.Rancho Mirage, CA · No drug or device payments recorded (2025) ·
(760) 340-3911 Dr. Hong-ki Ko, M.D.Rancho Mirage, CA · No drug or device payments recorded (2025) ·
(760) 773-1221 Dr. Hugo Razo, M.D.Rancho Mirage, CA · No drug or device payments recorded (2025) ·
(760) 773-1221 Dr. Iman Rasheed, MDRancho Mirage, CA · $69 in drug and device payments (2025) ·
(760) 340-3911 Dr. Jaclyn Floyd, MDRancho Mirage, CA · No drug or device payments recorded (2025) ·
(760) 340-3911 Dr. Jamal Farran, M.D.Rancho Mirage, CA · No drug or device payments recorded (2025) ·
(760) 773-1221 Dr. James Krolopp, MDRancho Mirage, CA · No drug or device payments recorded (2025) ·
(760) 340-3911 Dr. Jason KondratRancho Mirage, CA · No drug or device payments recorded (2025) ·
(760) 340-3911 Dr. Jeffrey Houghton, DORancho Mirage, CA · No drug or device payments recorded (2025) ·
(760) 340-3911 Dr. Jeffrey Kile, MDRancho Mirage, CA · No drug or device payments recorded (2025) ·
(760) 773-1221 Dr. Jessica Smeaton, MDRancho Mirage, CA · No drug or device payments recorded (2025) ·
(760) 340-3911 Dr. John Herling, MDRancho Mirage, CA · No drug or device payments recorded (2025) ·
(760) 674-3847 Dr. Jose Marquez, M.D.Rancho Mirage, CA · No drug or device payments recorded (2025) ·
(760) 340-3911 Dr. Juan Vasquez Vasquez, MDRancho Mirage, CA · No drug or device payments recorded (2025) ·
(760) 340-3911 Dr. Katelyn Nielsen, MDRancho Mirage, CA · No drug or device payments recorded (2025) ·
(760) 340-3911 Dr. Keshav Sharma, MDRancho Mirage, CA · No drug or device payments recorded (2025) ·
(760) 340-3911 Dr. Krishan Chaddha, DORancho Mirage, CA · No drug or device payments recorded (2025) ·
(760) 340-3911 Dr. Kristen Guy, MDRancho Mirage, CA · No drug or device payments recorded (2025) ·
(760) 773-1221 Dr. Kyleigh Gaylord, DORancho Mirage, CA · No drug or device payments recorded (2025) ·
(760) 340-3911 Dr. Lana HaririRancho Mirage, CA · No drug or device payments recorded (2025) ·
(760) 773-2968 Dr. Leland Black, MDRancho Mirage, CA · No drug or device payments recorded (2025) ·
(760) 340-3911 Dr. Mandeep Dhaliwal, M.D.Rancho Mirage, CA · No drug or device payments recorded (2025) ·
(760) 773-1221 Dr. Manuel Dejesus, MDRancho Mirage, CA · No drug or device payments recorded (2025) ·
(760) 773-1221 Dr. Manuel DiazRancho Mirage, CA · No drug or device payments recorded (2025) ·
(541) 941-3579 Dr. Manvir Singh, DORancho Mirage, CA · No drug or device payments recorded (2025) ·
(760) 340-3911 Dr. Marissa Benbassat, MDRancho Mirage, CA · No drug or device payments recorded (2025) ·
(760) 340-3911 Dr. Mary Harper, DORancho Mirage, CA · No drug or device payments recorded (2025) ·
(760) 340-3911 Dr. Matthias Barden, M.D.Rancho Mirage, CA · No drug or device payments recorded (2025) ·
(760) 773-1221 Dr. Michael HetzelRancho Mirage, CA · No drug or device payments recorded (2025) ·
(760) 340-3911 Dr. Michael MadatovianRancho Mirage, CA · No drug or device payments recorded (2025) ·
(760) 773-2968 Dr. Michael Nguyen, MDRancho Mirage, CA · No drug or device payments recorded (2025) ·
(760) 773-2968 Dr. Mike Farag, D.O.Rancho Mirage, CA · $216 in drug and device payments (2025) ·
(760) 773-1221 Dr. Mohit PrajapatiRancho Mirage, CA · No drug or device payments recorded (2025) ·
(760) 340-3911 Dr. Nadine El-hajj Abdul Massih, MDRancho Mirage, CA · No drug or device payments recorded (2025) ·
(760) 340-3911 Dr. Nathan Watson, M.D.Rancho Mirage, CA · No drug or device payments recorded (2025) ·
(760) 340-3911 Dr. Nelson Escudero-gorritz, MDRancho Mirage, CA · No drug or device payments recorded (2025) ·
(760) 340-3911 Dr. Nicholas Newell, MDRancho Mirage, CA · No drug or device payments recorded (2025) ·
(760) 340-3911 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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