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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. Erica Rosen, M.D.
Menlo Park, CA · No drug or device payments recorded (2025) · (650) 903-9500
Dr. Joseph Martinez, MD
Menlo Park, CA · $119 in drug and device payments (2025) · (650) 903-9500
Dr. Joseph Mcgee, M.D.
Menlo Park, CA · No drug or device payments recorded (2025) · (650) 903-9500
Dr. Justin Vo, M.D.
Menlo Park, CA · No drug or device payments recorded (2025) · (650) 903-9500
Dr. Katarzyna Ciesielski, MD
Menlo Park, CA · No drug or device payments recorded (2025) · (650) 903-9500
Dr. Ken Yew, M.D.
Menlo Park, CA · No drug or device payments recorded (2025) · (650) 903-9500
Dr. Lawrence Yee, MD
Menlo Park, CA · $295 in drug and device payments (2025) · (650) 903-9500
Dr. Linda Cintron, MD
Menlo Park, CA · $318 in drug and device payments (2025) · (650) 533-0551
Dr. Malcolm Howard, M.D.
Menlo Park, CA · No drug or device payments recorded (2025) · (650) 906-7977
Dr. Margaret Vartanian, M.D.
Menlo Park, CA · No drug or device payments recorded (2025) · (650) 903-9500
Dr. Mark Brown, M.D.
Menlo Park, CA · $30 in drug and device payments (2025) · (650) 903-9500
Dr. Martin Halum, MD
Menlo Park, CA · No drug or device payments recorded (2025) · (650) 903-9500
Dr. Milford Zasslow, M.D.
Menlo Park, CA · No drug or device payments recorded (2025) · (650) 533-6700
Dr. Nivedita Bhown, M.D.
Menlo Park, CA · No drug or device payments recorded (2025) · (650) 903-9500
Dr. Richard Nelson, M.D.
Menlo Park, CA · No drug or device payments recorded (2025) · (650) 903-9500
Dr. Ryan Maher, M.D.
Menlo Park, CA · No drug or device payments recorded (2025) · (650) 903-9500
Dr. Sara Herman, MD
Menlo Park, CA · No drug or device payments recorded (2025) · (650) 419-3330
Dr. Steven Xanthopoulos, M.D.
Menlo Park, CA · $20 in drug and device payments (2025) · (650) 903-9500
Dr. Theresa Lo, M.D.
Menlo Park, CA · No drug or device payments recorded (2025) · (650) 903-9500
Dr. Trung Nguyen, M.D.
Menlo Park, CA · No drug or device payments recorded (2025) · (650) 903-9500
Dr. Tzuhao Wu, M.D.
Menlo Park, CA · No drug or device payments recorded (2025) · (650) 903-9500
Dr. Zachary Miller, M.D.
Menlo Park, CA · $227 in drug and device payments (2025) · (650) 903-9500
Dr. Alok Shukla, M.D.
Merced, CA · $48 in drug and device payments (2025) · (209) 564-5000
Dr. Davin Soehnen, M.D.
Merced, CA · No drug or device payments recorded (2025) · (209) 385-7087
Dr. Edward Dag, MD
Merced, CA · No drug or device payments recorded (2025) · (209) 580-3400
Dr. Gundala Reddy, MD
Merced, CA · No drug or device payments recorded (2025) · (209) 724-0316
Dr. Joseph Grim, MD
Merced, CA · No drug or device payments recorded (2025) · (209) 580-3400
Dr. Lisa Camerino, MD
Merced, CA · $17 in drug and device payments (2025) · (209) 564-5000
Dr. Praveen Davuluri, MD
Merced, CA · No drug or device payments recorded (2025) · (209) 385-7087
Dr. Ramakrishna Thondapu, MD
Merced, CA · No drug or device payments recorded (2025) · (209) 826-0591
Dr. Ronald Brons, MD
Merced, CA · No drug or device payments recorded (2025) · (209) 385-7087
Dr. Rukmini Poruri, MD
Merced, CA · No drug or device payments recorded (2025) · (209) 385-7087
Dr. Vinod Rajani, MD
Merced, CA · No drug or device payments recorded (2025) · (209) 564-5000
Dr. Christopher Shaffer, M.D.
Mill Valley, CA · No drug or device payments recorded (2025) · (415) 932-9034
Dr. Arun Gandhi, M.D.
Mission Hills, CA · No drug or device payments recorded (2025) · (818) 256-2100
Dr. Simon Dardashti, M.D.
Mission Hills, CA · No drug or device payments recorded (2025) · Telehealth · (818) 869-7726
Dr. Anthony Wu
Mission Viejo, CA · No drug or device payments recorded (2025) · (714) 827-6700
Dr. Caroline Tran, M.D.
Mission Viejo, CA · No drug or device payments recorded (2025) · (949) 582-9624
Dr. Christopher Beatie, MD
Mission Viejo, CA · No drug or device payments recorded (2025) · (949) 582-9624
Dr. Christopher Romig, MD
Mission Viejo, CA · No drug or device payments recorded (2025) · (949) 364-1400
Dr. Craig Nghiem, MD
Mission Viejo, CA · No drug or device payments recorded (2025) · (949) 582-9624
Dr. Denise Hamilton, MD
Mission Viejo, CA · No drug or device payments recorded (2025) · (949) 218-9990
Dr. Dustin Singer, MD
Mission Viejo, CA · No drug or device payments recorded (2025) · (949) 600-7864
Dr. Elle Kaplan, MD
Mission Viejo, CA · No drug or device payments recorded (2025) · (949) 600-7864
Dr. Emily Brady, MD, MPH
Mission Viejo, CA · No drug or device payments recorded (2025) · (949) 364-1400
Dr. Eric Hsu, MD
Mission Viejo, CA · No drug or device payments recorded (2025) · (949) 582-9624
Dr. Erin Crawford, M.D.
Mission Viejo, CA · No drug or device payments recorded (2025) · (949) 600-7864
Dr. Geoffrey Gonick, MD
Mission Viejo, CA · No drug or device payments recorded (2025) · (949) 582-9624
Dr. Gregory Macchio, M.D.
Mission Viejo, CA · $300 in drug and device payments (2025) · (949) 364-1400
Dr. Greta Jo
Mission Viejo, CA · No drug or device payments recorded (2025) · (949) 600-7864

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.