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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 in Los Angeles774 providers
Anesthesiology in San Diego690 providers
Anesthesiology in San Francisco508 providers
Anesthesiology in Sacramento400 providers
Anesthesiology in Stanford389 providers
Anesthesiology in Orange272 providers
Anesthesiology in West Hollywood246 providers
Anesthesiology in Torrance136 providers
Anesthesiology in Oakland130 providers
Anesthesiology in San Jose127 providers
Anesthesiology in Loma Linda123 providers
Anesthesiology in Palo Alto113 providers
Anesthesiology in Walnut Creek100 providers
Anesthesiology in Newport Beach93 providers
Anesthesiology in Long Beach86 providers
Anesthesiology in Fresno81 providers
Anesthesiology in Modesto75 providers
Anesthesiology in Santa Barbara68 providers
Anesthesiology in Santa Rosa67 providers
Anesthesiology in Rancho Mirage60 providers
Anesthesiology in Pasadena60 providers
Anesthesiology in Riverside55 providers
Anesthesiology in Glendale51 providers
Anesthesiology in Bakersfield51 providers

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. Stephen Kolb
Tarzana, CA · No drug or device payments recorded (2025) · (818) 514-5314
Dr. Wayne Kleinman, M.D.
Tarzana, CA · No drug or device payments recorded (2025) · (818) 708-5285
Dr. Brian Telesz, MD
Temecula, CA · $965 in drug and device payments (2025) · (951) 595-7388
Dr. Catherine Coin, D.O.
Temecula, CA · $140 in drug and device payments (2025) · (951) 331-2200
Dr. David Cain
Temecula, CA · No drug or device payments recorded (2025) · (951) 331-2200
Dr. Hieu Nguyen, MD
Temecula, CA · No drug or device payments recorded (2025) · (951) 331-2200
Dr. Jeremiah Maloney, D.O.
Temecula, CA · No drug or device payments recorded (2025) · (951) 501-4200
Dr. Jetson Nguyen, M.D.
Temecula, CA · No drug or device payments recorded (2025) · (951) 331-2200
Dr. John Vincent, MD
Temecula, CA · $25 in drug and device payments (2025) · (951) 331-2200
Dr. Kimberly Murphy, MD
Temecula, CA · $631 in drug and device payments (2025) · (951) 331-2200
Dr. Mark-neil Ledesma, M.D.
Temecula, CA · No drug or device payments recorded (2025) · (801) 432-2600
Dr. Monica Rivera, M.D.
Temecula, CA · No drug or device payments recorded (2025) · (951) 331-2200
Dr. Richard Roberts, DO
Temecula, CA · No drug or device payments recorded (2025) · (951) 331-2200
Dr. Richard Weiner, MD
Temecula, CA · $1,578 in drug and device payments (2025) · Telehealth · (951) 694-6367
Dr. Vimi Kapur, M.D.
Temecula, CA · No drug or device payments recorded (2025) · (951) 331-2200
Dr. Harry Wiese, M.D.
Templeton, CA · No drug or device payments recorded (2025) · (805) 434-3500
Dr. Joel Peelen, M.D.
Templeton, CA · No drug or device payments recorded (2025) · (805) 434-3500
Dr. John Heess, MD
Templeton, CA · No drug or device payments recorded (2025) · (805) 434-3500
Dr. Mark Mulder, M.D.
Templeton, CA · No drug or device payments recorded (2025) · (805) 434-3500
Dr. Myint Singh, M.D.
Templeton, CA · No drug or device payments recorded (2025) · (805) 434-3500
Dr. Robert Landon
Templeton, CA · No drug or device payments recorded (2025) · (805) 975-7298
Dr. Stephen Mulder, M.D.
Templeton, CA · No drug or device payments recorded (2025) · (805) 434-3500
Dr. Steven Wheeler, M.D.
Templeton, CA · $26 in drug and device payments (2025) · (805) 434-3500
Dr. Paul White, MD PHD
The Sea Ranch, CA · No drug or device payments recorded (2025) · (214) 770-3775
Dr. Amber Coleman, M.D.
Thousand Oaks, CA · $445 in drug and device payments (2025) · (951) 265-7746
Dr. Bachir Jirari, M.D.
Thousand Oaks, CA · No drug or device payments recorded (2025) · (805) 370-4521
Dr. Bradley Spiegel, M.D.
Thousand Oaks, CA · $1,006 in drug and device payments (2025) · Telehealth · (805) 230-3166
Dr. Bryan Morris, M.D.
Thousand Oaks, CA · No drug or device payments recorded (2025) · (805) 370-4521
Dr. Dustin Lloyd, DO
Thousand Oaks, CA · $102 in drug and device payments (2025) · (619) 822-4751
Dr. Edward Stern, MD
Thousand Oaks, CA · No drug or device payments recorded (2025) · (805) 375-6391
Dr. Eric Hendrickson, DO
Thousand Oaks, CA · No drug or device payments recorded (2025) · (805) 497-2727
Dr. Erin Mcnamara, MD
Thousand Oaks, CA · No drug or device payments recorded (2025) · (805) 497-2727
Dr. Erna Kwong, M.D.
Thousand Oaks, CA · No drug or device payments recorded (2025) · (805) 497-2727
Dr. Guy Sanani, M.D.
Thousand Oaks, CA · No drug or device payments recorded (2025) · (805) 273-5200
Dr. Hagop Karpanian, M.D.
Thousand Oaks, CA · $53 in drug and device payments (2025) · (650) 388-0062
Dr. Harry Cozen, M.D.
Thousand Oaks, CA · No drug or device payments recorded (2025) · (805) 371-0455
Dr. James Lin, M.D.
Thousand Oaks, CA · $2,398 in drug and device payments (2025) · Telehealth · (805) 557-7050
Dr. Jason Cohen, M.D.
Thousand Oaks, CA · $1,541 in drug and device payments (2025) · Telehealth · (877) 724-6349
Dr. Jeffrey Sycamore, M.D.
Thousand Oaks, CA · No drug or device payments recorded (2025) · (805) 370-4521
Dr. Juris Priedkalns, M.D.
Thousand Oaks, CA · No drug or device payments recorded (2025) · (805) 370-4521
Dr. Laura Pasternack
Thousand Oaks, CA · $6,029 in drug and device payments (2025) · Telehealth · (805) 230-3100
Dr. Liem Lechau, M.D.
Thousand Oaks, CA · No drug or device payments recorded (2025) · (805) 370-4521
Dr. Mark Merriman, M.D.
Thousand Oaks, CA · No drug or device payments recorded (2025) · (805) 371-0455
Dr. Michael Goldberg, M.D.
Thousand Oaks, CA · $571 in drug and device payments (2025) · (805) 370-4553
Dr. Michael Lee, M.D.
Thousand Oaks, CA · No drug or device payments recorded (2025) · (850) 449-1600
Dr. Nahum Kryzman, M.D.
Thousand Oaks, CA · No drug or device payments recorded (2025) · (805) 497-2727
Dr. Philip Ostermann
Thousand Oaks, CA · No drug or device payments recorded (2025) · (805) 370-4521
Dr. Prabha Venugopal, MD
Thousand Oaks, CA · No drug or device payments recorded (2025) · (805) 497-2727
Dr. Robert Watson, M.D.
Thousand Oaks, CA · $17 in drug and device payments (2025) · (805) 368-7518
Dr. Scott Picker, M.D.
Thousand Oaks, CA · $588 in drug and device payments (2025) · (805) 370-4521

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.

Related reading on HealthcareDiscovery.AI

Anesthesiology in all 50 states Search all 7,627 in the directory Ask Zach for help choosing

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Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Anesthesiology in California? Get featured.