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. Jorge Flores, M.D.Glendale, CA · $6,300 in drug and device payments (2025) ·
(818) 790-7100 Dr. Josiah Friedlander, M.D.Glendale, CA · No drug or device payments recorded (2025) ·
(818) 502-2344 Dr. Julie Sayegh, M.D.Glendale, CA · No drug or device payments recorded (2025) ·
(818) 790-7100 Dr. June Concepcion, MSN, FNPGlendale, CA · No drug or device payments recorded (2025) ·
(818) 952-2222 Dr. Kelly Katzberg, M.D.Glendale, CA · No drug or device payments recorded (2025) ·
(818) 952-2222 Dr. Kent Okawa, M.D.Glendale, CA · No drug or device payments recorded (2025) ·
(818) 790-7100 Dr. Kristin Berona, M.D.Glendale, CA · No drug or device payments recorded (2025) ·
(818) 952-2222 Dr. Leo Berkenbile, MDGlendale, CA · No drug or device payments recorded (2025) ·
(818) 952-2222 Dr. Lyolya Hovhannisyan, MD, MSCGlendale, CA · No drug or device payments recorded (2025) ·
(626) 457-6601 Dr. Mahmoud Nouh, M.D.Glendale, CA · No drug or device payments recorded (2025) ·
(818) 502-2344 Dr. Maria Montoya, M.D.Glendale, CA · No drug or device payments recorded (2025) ·
(818) 952-2222 Dr. Marianne BurkeGlendale, CA · No drug or device payments recorded (2025) ·
(818) 973-2284 Dr. Mary Unanyan, DOGlendale, CA · No drug or device payments recorded (2025) ·
(312) 996-2933 Dr. May Yen, M.D.Glendale, CA · No drug or device payments recorded (2025) ·
(213) 255-5231 Dr. Michael Levine, M.D.Glendale, CA · $29 in drug and device payments (2025) · Telehealth ·
(323) 409-6696 Dr. Morgan Walker, MDGlendale, CA · No drug or device payments recorded (2025) ·
(888) 713-1976 Dr. Moustafa Moustafa, M.D.Glendale, CA · No drug or device payments recorded (2025) ·
(818) 502-2344 Dr. Nady Eskarous, MDGlendale, CA · No drug or device payments recorded (2025) ·
(818) 265-2200 Dr. Osher Shefer, MDGlendale, CA · No drug or device payments recorded (2025) ·
(818) 409-8000 Dr. Paulina Sergot, MDGlendale, CA · $27 in drug and device payments (2025) ·
(818) 790-7100 Dr. Peter Utas, M.D.Glendale, CA · No drug or device payments recorded (2025) ·
(818) 409-8000 Dr. Ryan Raam, M.D.Glendale, CA · No drug or device payments recorded (2025) ·
(818) 790-7100 Dr. Saman Kashani, MDGlendale, CA · No drug or device payments recorded (2025) ·
(818) 790-7100 Dr. Samar Masri-phillips, M.D.Glendale, CA · No drug or device payments recorded (2025) ·
(818) 502-2344 Dr. Shahram Tabib, MDGlendale, CA · No drug or device payments recorded (2025) ·
(818) 502-1900 Dr. Soma Pathak, M.D.Glendale, CA · $118 in drug and device payments (2025) ·
(818) 790-7100 Dr. Stephen Sanko, MDGlendale, CA · No drug or device payments recorded (2025) ·
(818) 790-7100 Dr. Sylvia Kotikian, M.D.Glendale, CA · $190 in drug and device payments (2025) ·
(818) 545-3401 Dr. Tyler Ronnfeldt, MDGlendale, CA · $20 in drug and device payments (2025) ·
(818) 790-7100 Dr. Virginia Chan, MDGlendale, CA · $44 in drug and device payments (2025) ·
(818) 409-8000 Dr. Alfred Cook, MDGlendora, CA · No drug or device payments recorded (2025) ·
(626) 335-0231 Dr. Bruce Bush, M.D.Glendora, CA · No drug or device payments recorded (2025) ·
(562) 809-6978 Dr. Earl Isbell, MDGlendora, CA · No drug or device payments recorded (2025) ·
(626) 857-3170 Dr. Eric Brown, M.D.Glendora, CA · No drug or device payments recorded (2025) ·
(626) 594-0478 Dr. Leonard Herman, MDGlendora, CA · No drug or device payments recorded (2025) ·
(626) 840-5655 Dr. Michael Bogey, M.D.Glendora, CA · No drug or device payments recorded (2025) ·
(626) 852-6119 Dr. Michael Deyoung, MDGlendora, CA · $221 in drug and device payments (2025) ·
(626) 857-3170 Dr. Michele Vargas, DOGlendora, CA · No drug or device payments recorded (2025) ·
(626) 857-3170 Dr. Jonathan Woolery, MD, MPH, MSGrand Terrace, CA · No drug or device payments recorded (2025) ·
(949) 378-8250 Dr. Andrea Harris, MDGrass Valley, CA · No drug or device payments recorded (2025) ·
(530) 274-9623 Dr. Brent Mcdermott, M.D.Grass Valley, CA · No drug or device payments recorded (2025) ·
(530) 274-6001 Dr. Bruce Sarkin, M.D.Grass Valley, CA · No drug or device payments recorded (2025) ·
(530) 274-6001 Dr. Cara Meinholz, M.D.Grass Valley, CA · No drug or device payments recorded (2025) ·
(530) 274-6001 Dr. Daniel Goldsmith, M.D.Grass Valley, CA · No drug or device payments recorded (2025) ·
(530) 274-6001 Dr. David Duncan, M.D.Grass Valley, CA · No drug or device payments recorded (2025) ·
(530) 274-6001 Dr. David Hunter, M.D.Grass Valley, CA · No drug or device payments recorded (2025) ·
(530) 274-6001 Dr. Dawn Harris, M.D.Grass Valley, CA · No drug or device payments recorded (2025) ·
(530) 274-6001 Dr. Erin Osiecki, MDGrass Valley, CA · No drug or device payments recorded (2025) ·
(530) 274-6001 Dr. Joseph Britton, M.D.Grass Valley, CA · $40 in drug and device payments (2025) ·
(530) 274-6001 Dr. Matthew Henry, MDGrass Valley, CA · $30 in drug and device payments (2025) ·
(530) 274-6000 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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