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 Moreno, MDLos Alamitos, CA · No drug or device payments recorded (2025) · Telehealth ·
(562) 598-1311 Dr. Herbert Icasiano, DOLos Alamitos, CA · No drug or device payments recorded (2025) ·
(562) 598-1311 Dr. Ivan Rokos, MDLos Alamitos, CA · No drug or device payments recorded (2025) ·
(562) 598-2411 Dr. Joseph Jean, MDLos Alamitos, CA · No drug or device payments recorded (2025) ·
(562) 598-1311 Dr. Kirsten Calder, MDLos Alamitos, CA · No drug or device payments recorded (2025) ·
(562) 598-1311 Dr. Mason Shieh, M.D., M.B.A.Los Alamitos, CA · No drug or device payments recorded (2025) ·
(714) 456-8888 Dr. Michael Perlman, M.D.Los Alamitos, CA · No drug or device payments recorded (2025) ·
(562) 598-2411 Dr. Mina Masri, D.O.Los Alamitos, CA · No drug or device payments recorded (2025) ·
(562) 598-2411 Dr. Monica Kumar, M.D,Los Alamitos, CA · No drug or device payments recorded (2025) ·
(714) 456-8888 Dr. Natalie Shum, MDLos Alamitos, CA · $50 in drug and device payments (2025) ·
(562) 598-1311 Dr. Peter Keenan, MDLos Alamitos, CA · No drug or device payments recorded (2025) ·
(562) 598-1311 Dr. Sanaz Hamidi, M.DLos Alamitos, CA · No drug or device payments recorded (2025) ·
(562) 598-1311 Dr. Aaron Bright, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 226-6667 Dr. Aarti Jain, M.D.Los Angeles, CA · $544 in drug and device payments (2025) ·
(213) 977-2121 Dr. Abdulkareem AgunbiadeLos Angeles, CA · $42 in drug and device payments (2025) ·
(310) 825-9111 Dr. Abraham Flinders, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(707) 486-3884 Dr. Adam Ash, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 226-6667 Dr. Adam EvansLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 794-0585 Dr. Adam Goodman, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 409-1615 Dr. Adam Gruner, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(310) 794-0585 Dr. Adam Leicher, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 226-6937 Dr. Agilio Macabasco, PA-CLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 226-2170 Dr. Alec JessenLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 409-1945 Dr. Alexander GrohmannLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 825-9111 Dr. Alexander Lee, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(213) 977-2121 Dr. Alexander Sapin, MD/MPHLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 409-7053 Dr. Alexander Stern, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 409-1000 Dr. Alexandra DyerLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 794-0585 Dr. Alexandra Mcleroy-wallace, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(310) 794-0585 Dr. Alexandria Cantarero, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 409-1000 Dr. Alexis Perez RogersLos Angeles, CA · No drug or device payments recorded (2025) ·
(833) 574-2237 Dr. Aliasgher Hussain, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(310) 825-2111 Dr. Allegra Long, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 648-1772 Dr. Allison Luu, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(323) 226-2828 Dr. Amanda Clauson, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(832) 236-3540 Dr. Amanda ReillyLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 409-1000 Dr. Amiram Shneiderman, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 435-4806 Dr. Amir Lofty, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 783-4011 Dr. Amir Rouhani, M.D.Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth ·
(310) 825-2111 Dr. Amir Tabibnia, D.O.Los Angeles, CA · $615 in drug and device payments (2025) ·
(310) 267-5642 Dr. Amit Kachalia, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(310) 668-4519 Dr. Amy Buckowski, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 409-1000 Dr. Amy Peng, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(310) 825-4073 Dr. Anchal Ghai, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(626) 512-9932 Dr. Andrea Munro, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(248) 765-8072 Dr. Andrea Takemoto, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(310) 825-2111 Dr. Andrei PopescuLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 657-5900 Dr. Andrew Eads, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(323) 409-1945 Dr. Andrew Grock, MDLos Angeles, CA · No drug or device payments recorded (2025) ·
(310) 478-3711 Dr. Andrew Herzik, M.D.Los Angeles, CA · No drug or device payments recorded (2025) ·
(213) 977-2121 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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