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. James Pearce, M.D.Fullerton, CA · No drug or device payments recorded (2025) ·
(714) 870-8300 Dr. John Maccarthy, MDFullerton, CA · No drug or device payments recorded (2025) ·
(714) 871-3280 Dr. Jonathon Ahn, MDFullerton, CA · $19 in drug and device payments (2025) ·
(714) 871-3280 Dr. Joseph Cochoit, MDFullerton, CA · No drug or device payments recorded (2025) ·
(714) 871-3280 Dr. Kevin Vu, MDFullerton, CA · $149 in drug and device payments (2025) ·
(949) 395-6814 Dr. Kristine Paik, M.D.Fullerton, CA · $241 in drug and device payments (2025) ·
(714) 992-3000 Dr. Kyle Wehner, MDFullerton, CA · $121 in drug and device payments (2025) ·
(714) 871-3280 Dr. Lisa Yoo, D.O.Fullerton, CA · $32 in drug and device payments (2025) ·
(714) 871-9784 Dr. Louis Lim, MDFullerton, CA · $45 in drug and device payments (2025) ·
(714) 871-3280 Dr. Lynnus Peng, MDFullerton, CA · $427 in drug and device payments (2025) ·
(714) 871-3280 Dr. Michael Lillie, MDFullerton, CA · $22 in drug and device payments (2025) ·
(714) 871-3280 Dr. Michelle Han, M.D.Fullerton, CA · No drug or device payments recorded (2025) ·
(714) 871-3280 Dr. Paul Padova, DOFullerton, CA · No drug or device payments recorded (2025) ·
(714) 871-3280 Dr. Philip Demman, MDFullerton, CA · $1,794 in drug and device payments (2025) ·
(714) 871-3280 Dr. Prasong Vassantachart, MDFullerton, CA · $1,921 in drug and device payments (2025) ·
(714) 871-3280 Dr. Renato Delcarmen, MDFullerton, CA · No drug or device payments recorded (2025) ·
(714) 871-3280 Dr. Richard Bollin, MDFullerton, CA · $317 in drug and device payments (2025) ·
(714) 871-3280 Dr. Rita Kar, M.D.Fullerton, CA · No drug or device payments recorded (2025) ·
(714) 871-3280 Dr. Timothy Downing, MDFullerton, CA · $149 in drug and device payments (2025) ·
(714) 992-3000 Dr. Tony HuFullerton, CA · $171 in drug and device payments (2025) ·
(714) 871-3280 Dr. Warren Davis, M.D.Fullerton, CA · $100 in drug and device payments (2025) ·
(714) 871-3280 Dr. Aruna Patil, M.D.Gardena, CA · No drug or device payments recorded (2025) ·
(310) 329-2469 Dr. Majurie Tablante, M.D.Gardena, CA · No drug or device payments recorded (2025) ·
(562) 407-2080 Dr. Manmohan Singh, MDGardena, CA · $143 in drug and device payments (2025) ·
(310) 532-4200 Dr. Rasmikant Trivedi, M.D.Gardena, CA · No drug or device payments recorded (2025) ·
(562) 407-2080 Dr. Stephen Kim, M.D.Gardena, CA · $176 in drug and device payments (2025) ·
(310) 323-5330 Dr. Won Han, MDGardena, CA · No drug or device payments recorded (2025) ·
(562) 407-2080 Dr. Gary Kao, MDGarden Grove, CA · No drug or device payments recorded (2025) ·
(714) 636-0342 Dr. Gene Oh, MDGarden Grove, CA · No drug or device payments recorded (2025) ·
(714) 636-0342 Dr. Gihan George, M.D.Garden Grove, CA · No drug or device payments recorded (2025) ·
(714) 537-5160 Dr. James Lee, M.D.Garden Grove, CA · No drug or device payments recorded (2025) ·
(714) 741-2772 Dr. Karin Sinavsky, MDGarden Grove, CA · $185 in drug and device payments (2025) ·
(714) 506-9467 Dr. Kyung Ro, MDGarden Grove, CA · No drug or device payments recorded (2025) ·
(714) 636-0342 Dr. Phong Dang, MDGarden Grove, CA · No drug or device payments recorded (2025) ·
(714) 636-0342 Dr. Sama Wangsanutr, MDGarden Grove, CA · No drug or device payments recorded (2025) ·
(714) 636-0342 Dr. Seksan Srephichit, MDGarden Grove, CA · No drug or device payments recorded (2025) ·
(310) 721-8310 Dr. Tam-nguyen Pham, M.D.Garden Grove, CA · No drug or device payments recorded (2025) ·
(714) 636-0342 Dr. Tchang Kim, MDGarden Grove, CA · No drug or device payments recorded (2025) ·
(714) 636-0342 Dr. Thien Tarin, MDGarden Grove, CA · No drug or device payments recorded (2025) ·
(714) 636-0342 Dr. Thomas Ho, M.D.Garden Grove, CA · $196 in drug and device payments (2025) ·
(714) 636-0342 Dr. William Park, M.D.Garden Grove, CA · No drug or device payments recorded (2025) ·
(714) 530-9633 Dr. Arash Zeighami, D.O.Gilroy, CA · No drug or device payments recorded (2025) ·
(408) 848-2000 Dr. Mark Ahn, M.D.Gilroy, CA · No drug or device payments recorded (2025) ·
(408) 848-2000 Dr. Min Lee, M.D.Gilroy, CA · No drug or device payments recorded (2025) ·
(408) 848-2000 Dr. Mohammed Qadeer, M.D.Gilroy, CA · No drug or device payments recorded (2025) ·
(408) 848-2000 Dr. Alexandria Darras, M.D.Glendale, CA · No drug or device payments recorded (2025) ·
(818) 952-2214 Dr. Ali Nassiri, DOGlendale, CA · No drug or device payments recorded (2025) ·
(818) 790-7874 Dr. Allen Best, M.D.Glendale, CA · $163 in drug and device payments (2025) ·
(818) 265-2275 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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