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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. Miroslav Grgurevic, MD
Turlock, CA · No drug or device payments recorded (2025) · (209) 667-4200
Dr. Thomas Helsby, M.D.
Turlock, CA · $67 in drug and device payments (2025) · (209) 656-8771
Dr. Gilbert Almaraz
Tustin, CA · No drug or device payments recorded (2025) · (949) 588-2190
Dr. Anatoly Hernandez, D.O.
Twentynine Palms, CA · No drug or device payments recorded (2025) · (760) 830-2307
Dr. Breanna Robinson
Twentynine Palms, CA · No drug or device payments recorded (2025) · (760) 830-2190
Dr. Bruce Laverty, MD
Twentynine Palms, CA · No drug or device payments recorded (2025) · (760) 830-2188
Dr. Edward Gastel-wardell, MD, MPH
Twentynine Palms, CA · No drug or device payments recorded (2025) · (760) 830-2117
Dr. Kenneth Wise, MD
Twentynine Palms, CA · No drug or device payments recorded (2025) · (410) 707-6293
Dr. Kevin-thinh Thai, D.O
Twentynine Palms, CA · No drug or device payments recorded (2025) · (760) 830-2190
Dr. Natalie Mcvey
Twentynine Palms, CA · $22 in drug and device payments (2025) · (760) 830-2117
Dr. Todd Kramer, M.D.
Twentynine Palms, CA · No drug or device payments recorded (2025) · (909) 327-7388
Dr. Tristan Loesberg, MD
Twentynine Palms, CA · No drug or device payments recorded (2025) · (760) 830-2190
Dr. Earl Outlund, MD
Ukiah, CA · No drug or device payments recorded (2025) · (360) 672-1401
Dr. Frederick Lodge, M.D.
Ukiah, CA · No drug or device payments recorded (2025) · (707) 468-5015
Dr. Matthew Harper, M.D.
Ukiah, CA · No drug or device payments recorded (2025) · (415) 580-5154
Dr. Ronald Guth, M.D.
Ukiah, CA · No drug or device payments recorded (2025) · (707) 462-3111
Dr. Wayne Lee, M.D.
Union City, CA · $125 in drug and device payments (2025) · (510) 552-7685
Dr. Bryan Taylor, M.D.
Upland, CA · No drug or device payments recorded (2025) · (909) 981-8755
Dr. Caleb Chu, M.D.
Upland, CA · $153 in drug and device payments (2025) · (909) 920-4851
Dr. Cheryl Osorio, M.D.
Upland, CA · No drug or device payments recorded (2025) · (909) 985-2811
Dr. Christine Chow, MD
Upland, CA · $66 in drug and device payments (2025) · (714) 560-1580
Dr. Dale Davis, M.D.
Upland, CA · $20 in drug and device payments (2025) · (909) 920-4851
Dr. Edward Digiamarino, M.D.
Upland, CA · $184 in drug and device payments (2025) · (909) 920-4851
Dr. George Cheng, M.D.
Upland, CA · $26 in drug and device payments (2025) · (909) 920-4851
Dr. Grace Lee, M.D.
Upland, CA · No drug or device payments recorded (2025) · (909) 985-2811
Dr. Gregory Ching, M.D.
Upland, CA · No drug or device payments recorded (2025) · (909) 920-4851
Dr. Ian Sandy, M.D.
Upland, CA · No drug or device payments recorded (2025) · (909) 920-4848
Dr. Jasvinder Singh, M.D.
Upland, CA · $127 in drug and device payments (2025) · (909) 985-2811
Dr. John Grasso, M.D.
Upland, CA · $13 in drug and device payments (2025) · (909) 920-4851
Dr. Karen Brichta, M.D.
Upland, CA · No drug or device payments recorded (2025) · (909) 920-4851
Dr. Karen Gan, M.D.
Upland, CA · No drug or device payments recorded (2025) · (909) 920-4851
Dr. Kuldeep Singh, M.D.
Upland, CA · No drug or device payments recorded (2025) · (909) 985-2811
Dr. Mark Chen, DO
Upland, CA · No drug or device payments recorded (2025) · (909) 920-4851
Dr. Martha Lara, M.D.
Upland, CA · No drug or device payments recorded (2025) · (949) 920-4851
Dr. Nalini Garg, M.D.
Upland, CA · No drug or device payments recorded (2025) · (909) 985-2112
Dr. Pedro Lopez, M.D.
Upland, CA · $141 in drug and device payments (2025) · (909) 985-2811
Dr. Perry Carney, M.D.
Upland, CA · No drug or device payments recorded (2025) · (909) 920-4851
Dr. Russell Dorado, M.D.
Upland, CA · No drug or device payments recorded (2025) · (909) 920-4851
Dr. Samuel Lardizabal, M.D.
Upland, CA · No drug or device payments recorded (2025) · (909) 985-2811
Dr. Thuan Tu, MD
Upland, CA · $127 in drug and device payments (2025) · (909) 920-4848
Dr. Ronnie Lu, M.D.
Vacaville, CA · No drug or device payments recorded (2025) · (707) 451-1135
Dr. Spencer Curtis, M.D.
Vacaville, CA · No drug or device payments recorded (2025) · (907) 685-9064
Dr. Benjamin Li, M.D.
Valencia, CA · No drug or device payments recorded (2025) · (661) 253-8000
Dr. Birikti Zeratzion, M.D.
Valencia, CA · $25 in drug and device payments (2025) · (661) 253-8000
Dr. Francis Lau, MD
Valencia, CA · $319 in drug and device payments (2025) · (661) 253-8020
Dr. Howard Singer, M.D.
Valencia, CA · No drug or device payments recorded (2025) · (661) 253-8000
Dr. Jason Nguyen
Valencia, CA · No drug or device payments recorded (2025) · (661) 799-8300
Dr. Julie Reid, M.D.
Valencia, CA · $77 in drug and device payments (2025) · (661) 200-1480
Dr. Mark Alcid, M.D.
Valencia, CA · $40 in drug and device payments (2025) · (661) 253-8000
Dr. Md Asaduzzaman, M.D.
Valencia, CA · No drug or device payments recorded (2025) · (661) 253-8000

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.