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. Thomas Bohlmann, M.D.Santa Monica, CA · $538 in drug and device payments (2025) ·
(310) 319-4610 Dr. Thomas Einstein, M.D.Santa Monica, CA · No drug or device payments recorded (2025) ·
(310) 559-8276 Dr. Yashar Ilkhchoui, M.D.Santa Monica, CA · $15 in drug and device payments (2025) ·
(310) 829-5511 Dr. Bose Mandava, MDSanta Paula, CA · No drug or device payments recorded (2025) ·
(805) 933-8600 Dr. Mark Sussman, MDSanta Paula, CA · No drug or device payments recorded (2025) ·
(805) 933-8600 Dr. Adeyemi Ogunkoya, MDSanta Rosa, CA · $18 in drug and device payments (2025) ·
(917) 692-7520 Dr. Adrian ChaseSanta Rosa, CA · No drug or device payments recorded (2025) ·
(707) 522-1800 Dr. Ann Stinson, MDSanta Rosa, CA · $18 in drug and device payments (2025) ·
(707) 571-4000 Dr. Blair Halliday, MDSanta Rosa, CA · No drug or device payments recorded (2025) ·
(707) 546-3210 Dr. Brian Marsh, MDSanta Rosa, CA · No drug or device payments recorded (2025) ·
(707) 546-3210 Dr. Catherine Roby, DOSanta Rosa, CA · $17 in drug and device payments (2025) ·
(707) 522-1800 Dr. Charles Demitz, MDSanta Rosa, CA · No drug or device payments recorded (2025) ·
(707) 546-3210 Dr. Charles Evans, M.D.Santa Rosa, CA · No drug or device payments recorded (2025) ·
(707) 546-7979 Dr. Christopher Press, M.D.Santa Rosa, CA · $61 in drug and device payments (2025) ·
(707) 522-1800 Dr. Clarence Harper, M.D.Santa Rosa, CA · No drug or device payments recorded (2025) ·
(707) 576-4000 Dr. Clare Pearson, M.D.Santa Rosa, CA · No drug or device payments recorded (2025) ·
(707) 571-1601 Dr. Colin Bauer, M.D.Santa Rosa, CA · No drug or device payments recorded (2025) ·
(707) 522-1800 Dr. Darin Brunson, MDSanta Rosa, CA · $18 in drug and device payments (2025) ·
(707) 546-3210 Dr. David Robertson, DOSanta Rosa, CA · No drug or device payments recorded (2025) ·
(707) 546-3210 Dr. Donald Jereb, MDSanta Rosa, CA · No drug or device payments recorded (2025) ·
(707) 571-4000 Dr. Dyke Finley, MDSanta Rosa, CA · No drug or device payments recorded (2025) ·
(707) 546-3210 Dr. Edward Gregoire, MDSanta Rosa, CA · $18 in drug and device payments (2025) ·
(707) 546-3210 Dr. Eric Huczko, M.D.Santa Rosa, CA · $59 in drug and device payments (2025) ·
(707) 522-1800 Dr. Evan Kwan, MDSanta Rosa, CA · No drug or device payments recorded (2025) ·
(707) 393-4000 Dr. Francesca Ianovich, MDSanta Rosa, CA · No drug or device payments recorded (2025) ·
(707) 393-4000 Dr. Frederick Romberg, M.D.Santa Rosa, CA · $29 in drug and device payments (2025) ·
(707) 522-1800 Dr. Gwendolyn Boatman, MDSanta Rosa, CA · No drug or device payments recorded (2025) ·
(707) 571-4000 Dr. Heather Hagerman, MDSanta Rosa, CA · $23 in drug and device payments (2025) ·
(707) 522-1800 Dr. Helen Weinrit, M.D.Santa Rosa, CA · No drug or device payments recorded (2025) ·
(707) 576-7300 Dr. James Finn, M.D.Santa Rosa, CA · No drug or device payments recorded (2025) ·
(707) 696-4459 Dr. James Hurd, MDSanta Rosa, CA · $17 in drug and device payments (2025) ·
(707) 546-3210 Dr. James PakSanta Rosa, CA · $122 in drug and device payments (2025) ·
(707) 576-4000 Dr. Jason Oliver, DOSanta Rosa, CA · $18 in drug and device payments (2025) ·
(707) 576-4000 Dr. John Freedman, MDSanta Rosa, CA · No drug or device payments recorded (2025) ·
(707) 571-4000 Dr. John Nimtz, MDSanta Rosa, CA · No drug or device payments recorded (2025) ·
(707) 546-3210 Dr. John Young, MDSanta Rosa, CA · No drug or device payments recorded (2025) ·
(707) 546-3210 Dr. Joseph Chung, DOSanta Rosa, CA · $36 in drug and device payments (2025) ·
(707) 546-3210 Dr. Karen Schmidt, DOSanta Rosa, CA · No drug or device payments recorded (2025) ·
(707) 546-3210 Dr. Kofi Inkabi, M.D.Santa Rosa, CA · No drug or device payments recorded (2025) ·
(707) 393-4000 Dr. Kristen Johnson, M.D.Santa Rosa, CA · No drug or device payments recorded (2025) ·
(707) 576-4000 Dr. Kseniya Shvachko, M.D.Santa Rosa, CA · No drug or device payments recorded (2025) ·
(707) 522-1800 Dr. Leigh Pederson, MDSanta Rosa, CA · No drug or device payments recorded (2025) ·
(707) 571-4000 Dr. Manuel Diaz, MDSanta Rosa, CA · No drug or device payments recorded (2025) ·
(707) 571-4000 Dr. Margaret Fanucchi, MDSanta Rosa, CA · No drug or device payments recorded (2025) ·
(707) 546-3210 Dr. Margaret Mcevoy, MDSanta Rosa, CA · No drug or device payments recorded (2025) ·
(707) 546-3210 Dr. Mark Fahey, MDSanta Rosa, CA · No drug or device payments recorded (2025) ·
(707) 571-4000 Dr. Mark Rudow, MDSanta Rosa, CA · No drug or device payments recorded (2025) ·
(707) 571-4000 Dr. Matthew Follansbee, MDSanta Rosa, CA · $36 in drug and device payments (2025) ·
(707) 393-4187 Dr. Mauricio Michaels, M.D.Santa Rosa, CA · No drug or device payments recorded (2025) ·
(707) 576-4000 Dr. Michael Mundell, M.D.Santa Rosa, CA · No drug or device payments recorded (2025) ·
(707) 576-4000 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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