Anesthesiologists in California
Data updated monthly · Last refresh October 2026
7,627 Anesthesiology providers practice in California, including 106 (1%) 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.
7,627providers
106telehealth
Los Angelestop city
Anesthesiology by city in California
Choose a city to see providers there.
Anesthesiology 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. George ZhuSan Diego, CA · $46 in drug and device payments (2025) ·
(510) 375-6803 Dr. Gerald Haas, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(858) 565-9666 Dr. Gerard Manecke, MDSan Diego, CA · No drug or device payments recorded (2025) ·
(800) 926-8273 Dr. Glenn Plummer, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(858) 565-9666 Dr. Glenn Vanstrum, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(858) 565-9666 Dr. Graham Davis, D.OSan Diego, CA · $274 in drug and device payments (2025) ·
(858) 565-9666 Dr. Gus Atkins, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(858) 565-9666 Dr. Gus Kefalopoulos, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(858) 565-9666 Dr. Hanna Serdarevic, M.D.San Diego, CA · $50 in drug and device payments (2025) ·
(858) 565-9666 Dr. Hany RayanSan Diego, CA · $27 in drug and device payments (2025) ·
(858) 565-9666 Dr. Harrison Jones, MD, PHDSan Diego, CA · $40 in drug and device payments (2025) ·
(800) 926-8273 Dr. Harrison ToSan Diego, CA · $27 in drug and device payments (2025) ·
(858) 565-9666 Dr. Henry Deyoung, MDSan Diego, CA · No drug or device payments recorded (2025) ·
(800) 926-8273 Dr. Hetal Hosalkar, MDSan Diego, CA · No drug or device payments recorded (2025) ·
(858) 565-9666 Dr. Hisham El-tayeb, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(858) 565-9666 Dr. Hongyu Teng, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(858) 565-9666 Dr. Huan Wang, M.D.San Diego, CA · $217 in drug and device payments (2025) ·
(858) 565-9666 Dr. Human Kotobi, M.D.San Diego, CA · $75 in drug and device payments (2025) ·
(858) 495-2012 Dr. Huy Phun, MDSan Diego, CA · $120 in drug and device payments (2025) ·
(203) 313-0428 Dr. Ian Coblentz, MDSan Diego, CA · No drug or device payments recorded (2025) ·
(800) 926-8273 Dr. Ian Maloney, MDSan Diego, CA · No drug or device payments recorded (2025) ·
(800) 926-8273 Dr. Ilona JuanSan Diego, CA · No drug or device payments recorded (2025) ·
(800) 926-8273 Dr. Jack Bairamian, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(858) 565-9666 Dr. Jacklynn Sztain, MDSan Diego, CA · No drug or device payments recorded (2025) ·
(619) 543-5754 Dr. Jacob Dabrowski, DOSan Diego, CA · $402 in drug and device payments (2025) ·
(868) 565-9666 Dr. Jacob Melendrez, MDSan Diego, CA · No drug or device payments recorded (2025) ·
(858) 576-1700 Dr. Jacqueline Measer, MDSan Diego, CA · No drug or device payments recorded (2025) ·
(800) 926-8273 Dr. James Billys, MDSan Diego, CA · $38 in drug and device payments (2025) ·
(858) 565-9666 Dr. James Choi, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(858) 565-9666 Dr. James Costello, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(858) 565-9666 Dr. James Halcomb, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(858) 565-9666 Dr. James Jaworski, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(858) 565-9666 Dr. James Johnson, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(858) 565-9666 Dr. James Jorgensen, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(858) 565-9666 Dr. James Kim, MDSan Diego, CA · $153 in drug and device payments (2025) ·
(858) 565-9666 Dr. James Parker, M.D.San Diego, CA · $86 in drug and device payments (2025) ·
(858) 565-9666 Dr. James Pettit, M.D.San Diego, CA · $30 in drug and device payments (2025) ·
(858) 565-9666 Dr. Jamie Huynh, MDSan Diego, CA · No drug or device payments recorded (2025) ·
(619) 753-6281 Dr. Janice Fernandez, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(858) 565-9666 Dr. Janine Thompson, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(858) 565-9666 Dr. Jan Sliwa, M.D.San Diego, CA · $44 in drug and device payments (2025) ·
(858) 565-9666 Dr. Jared Nieman, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(858) 565-9666 Dr. Jason De Young, M.D., PHARM.D.San Diego, CA · No drug or device payments recorded (2025) ·
(858) 528-7266 Dr. Jason Haidar, DOSan Diego, CA · $95 in drug and device payments (2025) ·
(858) 565-9666 Dr. Jason Hemmerich, M.D.San Diego, CA · $38 in drug and device payments (2025) ·
(858) 565-9666 Dr. Jason Ipson, MDSan Diego, CA · No drug or device payments recorded (2025) ·
(858) 565-9666 Dr. Jason Kanel, M.D.San Diego, CA · $86 in drug and device payments (2025) ·
(858) 565-9666 Dr. Jason Lujan, M.D.San Diego, CA · $84 in drug and device payments (2025) ·
(858) 565-9666 Dr. Jason Meeks, M.D.San Diego, CA · $1,825 in drug and device payments (2025) ·
(619) 543-5297 Dr. Jaspreet SomalSan Diego, CA · $51 in drug and device payments (2025) ·
(619) 543-5720 Common questions
How many Anesthesiology providers are in California?There are 7,627 Anesthesiology providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.
Do Anesthesiology providers in California offer telehealth?Yes. 106 of the 7,627 Anesthesiology providers in California (about 1%) report offering telehealth services in CMS data.
Which cities in California have the most Anesthesiology providers?Los Angeles (774), San Diego (690), San Francisco (508) have the highest concentration of Anesthesiology providers in California.
How many Anesthesiology providers in California received drug or device company payments?2,112 of 7,627 Anesthesiology providers in California (28%) 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 Anesthesiologists in California work in independent practices or large health systems?Among 4,562 Anesthesiologists in California enrolled in Medicare, 7% bill through a solo or small practice with fewer than 10 clinicians, 24% through a mid-size group of 10 to 99, and 68% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Anesthesiologists in California work at?According to CMS facility affiliation records, the California hospitals where the most Anesthesiologists hold privileges are Stanford Health Care in Stanford; Cedars-Sinai Medical Center in Los Angeles; Uci Health-Orange in Orange.
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