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. Stephanie Dsouza, MDWest Hollywood, CA · $17 in drug and device payments (2025) ·
(310) 423-1682 Dr. Steven Heer, MDWest Hollywood, CA · $50 in drug and device payments (2025) ·
(310) 423-5841 Dr. Steven Sun, MDWest Hollywood, CA · No drug or device payments recorded (2025) ·
(213) 637-3703 Dr. Steven Voskanian, M.D.West Hollywood, CA · $623 in drug and device payments (2025) ·
(310) 423-1682 Dr. Stewart Smith, M.D.West Hollywood, CA · No drug or device payments recorded (2025) ·
(310) 423-5841 Dr. Susan Allen, MD.West Hollywood, CA · $15 in drug and device payments (2025) ·
(213) 637-3703 Dr. Susan Cosgrove, MDWest Hollywood, CA · No drug or device payments recorded (2025) ·
(310) 423-1447 Dr. Sydney Selzer, MDWest Hollywood, CA · No drug or device payments recorded (2025) ·
(310) 423-5841 Dr. Tae Yeon Kim, M.D.West Hollywood, CA · No drug or device payments recorded (2025) ·
(310) 423-5841 Dr. Taryn Bornstein, D.O.West Hollywood, CA · No drug or device payments recorded (2025) ·
(310) 423-5841 Dr. Terrance Lai, M.D.West Hollywood, CA · No drug or device payments recorded (2025) ·
(310) 423-1682 Dr. Thanh Huynh, MDWest Hollywood, CA · No drug or device payments recorded (2025) ·
(310) 423-3277 Dr. Thomas Jackson, M.D.West Hollywood, CA · No drug or device payments recorded (2025) ·
(310) 423-1682 Dr. Thomas Webb, MDWest Hollywood, CA · No drug or device payments recorded (2025) ·
(213) 637-3703 Dr. Tina Vajdi, MDWest Hollywood, CA · No drug or device payments recorded (2025) ·
(310) 423-3277 Dr. Tom Sam, DOWest Hollywood, CA · No drug or device payments recorded (2025) ·
(310) 423-3277 Dr. Tony Chiang, M.D.West Hollywood, CA · No drug or device payments recorded (2025) ·
(310) 423-1447 Dr. Trevor Graifman, D.O.West Hollywood, CA · No drug or device payments recorded (2025) ·
(310) 423-1447 Dr. Tuyen Vuong, MDWest Hollywood, CA · No drug or device payments recorded (2025) ·
(213) 637-3703 Dr. Victoria Lee, MDWest Hollywood, CA · No drug or device payments recorded (2025) ·
(310) 423-3277 Dr. Vida Zhang, MDWest Hollywood, CA · $111 in drug and device payments (2025) ·
(213) 637-3703 Dr. Vincent Luo, MD, PHD, MPHILWest Hollywood, CA · No drug or device payments recorded (2025) ·
(310) 423-1682 Dr. Vinod Singaram, MDWest Hollywood, CA · $16 in drug and device payments (2025) ·
(310) 423-5841 Dr. Vivek Sharma, MDWest Hollywood, CA · No drug or device payments recorded (2025) ·
(310) 423-5841 Dr. Wade Yoshii, MDWest Hollywood, CA · No drug or device payments recorded (2025) ·
(213) 637-3703 Dr. Waylan Wong, MDWest Hollywood, CA · No drug or device payments recorded (2025) ·
(310) 423-1682 Dr. Wenli Ma, MDWest Hollywood, CA · No drug or device payments recorded (2025) ·
(310) 423-3277 Dr. Wesley Glick, M.D.West Hollywood, CA · No drug or device payments recorded (2025) ·
(310) 423-1447 Dr. Weston Bertot, MDWest Hollywood, CA · $46 in drug and device payments (2025) ·
(310) 423-5841 Dr. William Rasmus, MDWest Hollywood, CA · No drug or device payments recorded (2025) ·
(213) 637-3703 Dr. William TanWest Hollywood, CA · $57 in drug and device payments (2025) ·
(310) 423-3277 Dr. Yalda Toofan, MDWest Hollywood, CA · No drug or device payments recorded (2025) ·
(310) 423-3277 Dr. Ying Zeng, MDWest Hollywood, CA · $31 in drug and device payments (2025) ·
(310) 423-3277 Dr. Zain Hasan, DOWest Hollywood, CA · No drug or device payments recorded (2025) ·
(310) 423-1447 Dr. Zhaoyi Tang, MDWest Hollywood, CA · $299 in drug and device payments (2025) ·
(310) 423-1682 Dr. Bahram Namdari, D.OWestlake Village, CA · $575 in drug and device payments (2025) ·
(805) 413-7921 Dr. Caroline Bessolo, M.D.Westlake Village, CA · No drug or device payments recorded (2025) ·
(805) 231-2954 Dr. Clifford Fine, M.D.Westlake Village, CA · No drug or device payments recorded (2025) ·
(805) 413-7920 Dr. Darren Clair, M.D.Westlake Village, CA · No drug or device payments recorded (2025) ·
(895) 379-0254 Dr. David Lowe, M.D.Westlake Village, CA · No drug or device payments recorded (2025) ·
(805) 413-7920 Dr. John Slaght, M.D.Westlake Village, CA · $34 in drug and device payments (2025) ·
(805) 413-7920 Dr. Marie Emmons, MDWestlake Village, CA · No drug or device payments recorded (2025) ·
(818) 406-5478 Dr. Russ Erman, M.D.Westlake Village, CA · $49 in drug and device payments (2025) ·
(805) 413-7920 Dr. Teri Namba Bansbach, M.D.Westlake Village, CA · $38 in drug and device payments (2025) ·
(054) 137-9208 Dr. Vishnudut Ramyead, MDWestlake Village, CA · No drug or device payments recorded (2025) ·
(805) 449-4187 Dr. Barbara Smith, MDWestminster, CA · No drug or device payments recorded (2025) ·
(562) 407-2080 Dr. Claudia Nuno Garcia, M.D.Westminster, CA · No drug or device payments recorded (2025) ·
(714) 903-9039 Dr. Hai Nguyen, MDWestminster, CA · $214 in drug and device payments (2025) ·
(714) 675-8593 Dr. Paul Pham, M.D.Westminster, CA · $111 in drug and device payments (2025) ·
(714) 775-5690 Dr. Aidan O'brien, MDWhittier, CA · No drug or device payments recorded (2025) ·
(562) 698-0811 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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