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. John Chen, D.O.Fontana, CA · $1,501 in drug and device payments (2025) ·
(909) 427-2673 Dr. Joshua Milius, M.D.Fontana, CA · No drug or device payments recorded (2025) ·
(909) 427-7162 Dr. Kevin Lay, MDFontana, CA · No drug or device payments recorded (2025) ·
(800) 780-1277 Dr. Narendra Trivedi, MDFontana, CA · No drug or device payments recorded (2025) ·
(909) 427-3910 Dr. Na Yon NamFontana, CA · No drug or device payments recorded (2025) ·
(909) 302-4938 Dr. Neeraja Reddy, MDFontana, CA · No drug or device payments recorded (2025) ·
(909) 427-3910 Dr. Niranjan Maganti, M.D.Fontana, CA · No drug or device payments recorded (2025) ·
(833) 574-2273 Dr. Pritam Patheja, MDFontana, CA · No drug or device payments recorded (2025) ·
(909) 427-3910 Dr. Ricardo Diaz, MDFontana, CA · No drug or device payments recorded (2025) ·
(909) 427-3910 Dr. Richard Yen, MDFontana, CA · No drug or device payments recorded (2025) ·
(909) 427-3910 Dr. Sharon Sung, MDFontana, CA · No drug or device payments recorded (2025) ·
(909) 427-3910 Dr. Sheng-chieh Chang, MDFontana, CA · No drug or device payments recorded (2025) ·
(833) 574-2273 Dr. Stephanie Valenzuela, MDFontana, CA · No drug or device payments recorded (2025) ·
(909) 302-4938 Dr. Steven D'sa, M.D.Fontana, CA · No drug or device payments recorded (2025) ·
(909) 302-4938 Dr. Thelma Korpman, MDFontana, CA · No drug or device payments recorded (2025) ·
(909) 427-3910 Dr. Thien Doan, MDFontana, CA · No drug or device payments recorded (2025) ·
(909) 427-3910 Dr. Wynda Chung, MDFontana, CA · No drug or device payments recorded (2025) ·
(909) 427-3910 Dr. Hieu Le, M.D.Foothill Ranch, CA · No drug or device payments recorded (2025) ·
(949) 837-7116 Dr. John Kermen, D.O.Fort Bragg, CA · No drug or device payments recorded (2025) ·
(707) 961-1234 Dr. D. Goldberg, M.D.Fortuna, CA · $176 in drug and device payments (2025) ·
(707) 725-3361 Dr. Miae Lee, CRNAFortuna, CA · No drug or device payments recorded (2025) ·
(707) 725-3361 Dr. Neal Feuerman, MDFortuna, CA · No drug or device payments recorded (2025) ·
(707) 725-7327 Dr. Stephanie Demara, M.D. Dr. La Donna Ford, M.D.Foster City, CA · No drug or device payments recorded (2025) ·
(650) 341-1918 Dr. Mona Kotecha, M.D.Foster City, CA · No drug or device payments recorded (2025) ·
(650) 522-4065 Dr. Adam Wong, M.D.Fountain Valley, CA · $138 in drug and device payments (2025) ·
(714) 378-7000 Dr. Ahmed Assif, MDFountain Valley, CA · $23 in drug and device payments (2025) ·
(714) 241-8552 Dr. Alan Dror, MDFountain Valley, CA · No drug or device payments recorded (2025) ·
(714) 966-8107 Dr. Albert Lee, D.O.Fountain Valley, CA · $33 in drug and device payments (2025) ·
(714) 698-1270 Dr. Andy Le, MDFountain Valley, CA · No drug or device payments recorded (2025) ·
(714) 966-7200 Dr. Anhtu La, M.D.Fountain Valley, CA · No drug or device payments recorded (2025) ·
(714) 378-7000 Dr. Anthony Tran, M.D.Fountain Valley, CA · $48 in drug and device payments (2025) ·
(714) 369-1100 Dr. Austin Lin, M.D.Fountain Valley, CA · $56 in drug and device payments (2025) ·
(714) 979-1211 Dr. Benjamin Ho, M.D.Fountain Valley, CA · $477 in drug and device payments (2025) ·
(714) 378-7000 Dr. Bharat Merai, M.D.Fountain Valley, CA · No drug or device payments recorded (2025) ·
(714) 979-1211 Dr. Carla St Laurent, MDFountain Valley, CA · $120 in drug and device payments (2025) ·
(714) 378-7000 Dr. Cau Pham, M.D.Fountain Valley, CA · No drug or device payments recorded (2025) ·
(714) 979-1211 Dr. Chan Kieu, M.D.Fountain Valley, CA · $372 in drug and device payments (2025) ·
(714) 979-1211 Dr. Danh Do, M.D.Fountain Valley, CA · $156 in drug and device payments (2025) ·
(714) 724-8519 Dr. David Hadiprodjo, M.D.Fountain Valley, CA · $136 in drug and device payments (2025) ·
(858) 382-2286 Dr. Dong Han, M.D.Fountain Valley, CA · No drug or device payments recorded (2025) ·
(714) 949-1211 Dr. Elsa Tekle, M.D.Fountain Valley, CA · $26 in drug and device payments (2025) ·
(714) 949-1211 Dr. Fazeela Ferouz, M.D.Fountain Valley, CA · No drug or device payments recorded (2025) ·
(714) 274-0388 Dr. Glenn Provost, M.D.Fountain Valley, CA · No drug or device payments recorded (2025) ·
(714) 979-1211 Dr. Hung Nguyen, M.D.Fountain Valley, CA · No drug or device payments recorded (2025) ·
(714) 378-7000 Dr. Jae YangFountain Valley, CA · No drug or device payments recorded (2025) ·
(714) 979-1211 Dr. James PugedaFountain Valley, CA · No drug or device payments recorded (2025) ·
(714) 369-1100 Dr. John Thomas, MDFountain Valley, CA · No drug or device payments recorded (2025) ·
(714) 887-0150 Dr. Jonathan Tong, M.D.Fountain Valley, CA · $22 in drug and device payments (2025) ·
(714) 378-7000 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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