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. Paul Ulrich, M.D.Greenbrae, CA · $133 in drug and device payments (2025) ·
(415) 925-7000 Dr. Peter Allen, M.D.Greenbrae, CA · No drug or device payments recorded (2025) ·
(415) 925-7000 Dr. Peter Wright, MDGreenbrae, CA · No drug or device payments recorded (2025) ·
(415) 925-7100 Dr. Pradhan Bhat, MDGreenbrae, CA · No drug or device payments recorded (2025) ·
(415) 925-7100 Dr. Raymond Gylys, MDGreenbrae, CA · $100 in drug and device payments (2025) ·
(415) 925-7100 Dr. Roxanne Rapan, MD, MPHGreenbrae, CA · $223 in drug and device payments (2025) ·
(415) 925-7100 Dr. Ruth Macquarrie, M.D.Greenbrae, CA · No drug or device payments recorded (2025) ·
(415) 309-9605 Dr. Scott Robinson, M.D.Greenbrae, CA · $51 in drug and device payments (2025) ·
(415) 925-7000 Dr. Scott TwetenGreenbrae, CA · No drug or device payments recorded (2025) ·
(415) 925-7000 Dr. Siobhan Harrington, M.D.Greenbrae, CA · $100 in drug and device payments (2025) ·
(415) 925-7100 Dr. Sonali Joshi, MDGreenbrae, CA · $100 in drug and device payments (2025) ·
(415) 925-7100 Dr. Spencer Drotman, M.D.Greenbrae, CA · $486 in drug and device payments (2025) ·
(415) 925-7100 Dr. Stephanie Gillis, M.D.Greenbrae, CA · $49 in drug and device payments (2025) ·
(415) 925-7100 Dr. Stephen Licata, M.D.Greenbrae, CA · $152 in drug and device payments (2025) ·
(415) 925-7000 Dr. T Benson, M.D.Greenbrae, CA · No drug or device payments recorded (2025) ·
(415) 454-2218 Dr. Timothy Stark, M.D.Greenbrae, CA · No drug or device payments recorded (2025) ·
(415) 925-7100 Dr. Tom Joseph, M.D.Greenbrae, CA · No drug or device payments recorded (2025) ·
(415) 925-7100 Dr. Wendy Woo, MDGreenbrae, CA · $25 in drug and device payments (2025) ·
(415) 927-4070 Dr. William Mayeda, M.D.Greenbrae, CA · No drug or device payments recorded (2025) ·
(415) 925-7000 Dr. Romerson Dimla, M.D.Hacienda Heights, CA · No drug or device payments recorded (2025) ·
(949) 689-8572 Dr. Byung Lee, MDHanford, CA · $292 in drug and device payments (2025) ·
(559) 537-0325 Dr. Denis Chambi, M.D.Hanford, CA · No drug or device payments recorded (2025) ·
(661) 633-1500 Dr. James Lundy, MDHanford, CA · No drug or device payments recorded (2025) ·
(559) 582-9000 Dr. Richard Romo, MDHanford, CA · No drug or device payments recorded (2025) ·
(559) 582-9000 Dr. Alexander Chin, MDHarbor City, CA · No drug or device payments recorded (2025) ·
(310) 325-5111 Dr. Daniel Choi, MDHarbor City, CA · $155 in drug and device payments (2025) · Telehealth ·
(800) 780-1230 Dr. David Lim, MDHarbor City, CA · No drug or device payments recorded (2025) ·
(310) 325-5111 Dr. Edward Mirikitani, MDHarbor City, CA · No drug or device payments recorded (2025) ·
(310) 325-5111 Dr. Kayleigh Kaneshiro, MDHarbor City, CA · No drug or device payments recorded (2025) ·
(310) 325-5111 Dr. Marcia Lee, MDHarbor City, CA · No drug or device payments recorded (2025) ·
(310) 325-5111 Dr. Michael Ward, MDHarbor City, CA · No drug or device payments recorded (2025) ·
(310) 325-5111 Dr. Nghiem Truong, MDHarbor City, CA · No drug or device payments recorded (2025) ·
(310) 325-5111 Dr. Rita Puri, MDHarbor City, CA · No drug or device payments recorded (2025) ·
(310) 325-5111 Dr. Victor Ruan, MDHarbor City, CA · $26 in drug and device payments (2025) ·
(833) 574-2273 Dr. Elena Ezpeleta, MDHawaiian Gardens, CA · No drug or device payments recorded (2025) ·
(562) 860-0401 Dr. Richard Fujita, M.D.Hawaiian Gardens, CA · No drug or device payments recorded (2025) ·
(562) 860-0401 Dr. Yaming Shi, MDHawaiian Gardens, CA · No drug or device payments recorded (2025) ·
(562) 407-2080 Dr. Benjamin SchoepkeHawthorne, CA · $23 in drug and device payments (2025) ·
(901) 338-3499 Dr. Otto Stallworth, M.D.Hawthorne, CA · No drug or device payments recorded (2025) ·
(800) 883-7243 Dr. Debora Dunfield, MDHayward, CA · No drug or device payments recorded (2025) ·
(510) 784-4000 Dr. Derrick Lee, M.D.Hayward, CA · No drug or device payments recorded (2025) ·
(510) 784-2069 Dr. Joyce Yap, MDHayward, CA · No drug or device payments recorded (2025) ·
(510) 784-4000 Dr. Joycie Smith, MDHayward, CA · No drug or device payments recorded (2025) ·
(510) 784-4000 Dr. Mark Pandapas, M.D.Hayward, CA · No drug or device payments recorded (2025) ·
(510) 264-4000 Dr. Martin Goldberg, MDHayward, CA · No drug or device payments recorded (2025) ·
(510) 784-4000 Dr. Monique Mabey, MDHayward, CA · No drug or device payments recorded (2025) ·
(510) 784-4000 Dr. Toni Lum, MDHayward, CA · No drug or device payments recorded (2025) ·
(510) 784-4000 Dr. Tzu-lang Wu, M.D.Hayward, CA · No drug or device payments recorded (2025) ·
(510) 784-2069 Dr. Catherine Sims, M.DHemet, CA · No drug or device payments recorded (2025) ·
(951) 929-6290 Dr. Chia Lee, MDHemet, CA · No drug or device payments recorded (2025) ·
(951) 929-6260 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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