HealthcareDiscovery.AI / Doctors / California / Surgery

General Surgeons in California

Data updated monthly · Last refresh October 2026

3,111 Surgery providers practice in California, including 468 (15%) 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.

3,111providers
468telehealth
Los Angelestop city

Surgery by city in California

Choose a city to see providers there.

Surgery in Los Angeles260 providers
Surgery in San Francisco205 providers
Surgery in San Diego158 providers
Surgery in Sacramento106 providers
Surgery in Fresno67 providers
Surgery in Palo Alto64 providers
Surgery in Oakland60 providers
Surgery in Orange59 providers
Surgery in Riverside53 providers
Surgery in Loma Linda52 providers
Surgery in San Jose50 providers
Surgery in Torrance49 providers
Surgery in Stanford46 providers
Surgery in La Jolla43 providers
Surgery in Bakersfield40 providers
Surgery in Modesto35 providers
Surgery in Santa Monica35 providers
Surgery in Roseville35 providers
Surgery in Walnut Creek33 providers
Surgery in Newport Beach32 providers
Surgery in Beverly Hills31 providers
Surgery in Anaheim30 providers
Surgery in Pasadena27 providers
Surgery in West Hollywood24 providers

Surgery 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. Irene Houari, MD
Upland, CA · No drug or device payments recorded (2025) · (909) 946-6221
Dr. Kenneth Baik, MD
Upland, CA · No drug or device payments recorded (2025) · (909) 920-3753
Dr. Louis Watson, MD
Upland, CA · No drug or device payments recorded (2025) · (909) 931-1800
Dr. Nabil Koudsi, MD
Upland, CA · No drug or device payments recorded (2025) · (909) 981-3411
Dr. Stanley Saul, D.O.
Upland, CA · No drug or device payments recorded (2025) · (909) 985-2112
Dr. Alfredo Noriega, M.D.
Vacaville, CA · No drug or device payments recorded (2025) · (707) 451-0182
Dr. Alvaro Traquina, M.D.
Vacaville, CA · No drug or device payments recorded (2025) · (707) 454-3261
Dr. George Liao, M.D.
Vacaville, CA · No drug or device payments recorded (2025) · (707) 624-4000
Dr. Jacquelyn Hemingway, MD
Vacaville, CA · No drug or device payments recorded (2025) · (806) 796-7419
Dr. Javier Saenz, MD
Vacaville, CA · No drug or device payments recorded (2025) · (707) 453-5000
Dr. Michael Lim, MD
Vacaville, CA · No drug or device payments recorded (2025) · (707) 453-5000
Dr. Sheryl Miller, MD
Vacaville, CA · No drug or device payments recorded (2025) · (707) 453-5000
Dr. Izuchukwu Okpara, M.D.
Valencia, CA · $19,000 in drug and device payments (2025) · (213) 228-3538
Dr. James Mackabee, MD
Valencia, CA · No drug or device payments recorded (2025) · (661) 253-1353
Dr. Maher Sadra, MD
Valencia, CA · $326 in drug and device payments (2025) · (661) 424-8872
Dr. Ranbir Singh, M.D.
Valencia, CA · No drug or device payments recorded (2025) · (661) 298-7423
Dr. Scott Patterson, M.D.
Valencia, CA · No drug or device payments recorded (2025) · (661) 424-8872
Dr. Adele Roja, MD
Vallejo, CA · No drug or device payments recorded (2025) · (707) 651-1000
Dr. Anatole Besman, MD
Vallejo, CA · No drug or device payments recorded (2025) · (707) 651-1000
Dr. Chong Lee, MD
Vallejo, CA · No drug or device payments recorded (2025) · Telehealth · (707) 651-1000
Dr. Cynthia Terashima, M.D.
Vallejo, CA · No drug or device payments recorded (2025) · (707) 651-1000
Dr. George Berndt, M.D.
Vallejo, CA · No drug or device payments recorded (2025) · (707) 651-3475
Dr. Gillian Kuehner, MD
Vallejo, CA · No drug or device payments recorded (2025) · (707) 651-1000
Dr. Jay Isaacson, MD
Vallejo, CA · No drug or device payments recorded (2025) · (707) 651-1000
Dr. Jerica Podrat, MD
Vallejo, CA · $526 in drug and device payments (2025) · Telehealth · (609) 230-3903
Dr. John Wood, MD
Vallejo, CA · No drug or device payments recorded (2025) · (707) 651-1000
Dr. Michael Van Noord, MD
Vallejo, CA · $1,197 in drug and device payments (2025) · (707) 651-1000
Dr. Richard Holmes, MD
Vallejo, CA · No drug or device payments recorded (2025) · (707) 651-3473
Dr. Ronald Bieselin, MD
Vallejo, CA · No drug or device payments recorded (2025) · (707) 642-2111
Dr. Phillip Mcpeak, M.D.
Vandenberg Afb, CA · No drug or device payments recorded (2025) · (805) 606-2273
Dr. Dean Prince, MD
Van Nuys, CA · $158 in drug and device payments (2025) · (973) 971-5000
Dr. Krikor Tatoyan, M.D.
Van Nuys, CA · $35 in drug and device payments (2025) · Telehealth · (818) 373-0200
Dr. Adam Shellito, M.D.
Ventura, CA · $1,206 in drug and device payments (2025) · Telehealth · (805) 652-5964
Dr. Anthony Carden, MD
Ventura, CA · $132 in drug and device payments (2025) · Telehealth · (805) 652-6201
Dr. Barry Sanchez, MD
Ventura, CA · $59,551 in drug and device payments (2025) · Telehealth · (805) 677-5299
Dr. Douglas Woodburn, M.D.
Ventura, CA · No drug or device payments recorded (2025) · (805) 641-0222
Dr. Garrett Jones, D.O.
Ventura, CA · $119 in drug and device payments (2025) · (805) 652-5672
Dr. Gosta Iwasiuk, M.D.
Ventura, CA · No drug or device payments recorded (2025) · (805) 667-2801
Dr. Jaclyn Derieux, M.D.
Ventura, CA · $804 in drug and device payments (2025) · (805) 653-6580
Dr. James Holden, M.D.
Ventura, CA · No drug or device payments recorded (2025) · (805) 652-6556
Dr. Javier Romero, M.D.
Ventura, CA · $293 in drug and device payments (2025) · Telehealth · (805) 652-6000
Dr. Jeremy Schweitzer, M.D.
Ventura, CA · $64 in drug and device payments (2025) · (805) 652-6201
Dr. Karim Jreije, DO
Ventura, CA · $1,833 in drug and device payments (2025) · (805) 652-6204
Dr. Kelci Stein, RN
Ventura, CA · No drug or device payments recorded (2025) · (805) 948-5011
Dr. Kurt Blickenstaff, M.D.
Ventura, CA · $119 in drug and device payments (2025) · (805) 641-4431
Dr. Michael Salehpour, MD
Ventura, CA · No drug or device payments recorded (2025) · Telehealth · (805) 648-2227
Dr. Michael Williams, MD
Ventura, CA · No drug or device payments recorded (2025) · (805) 652-6201
Dr. Thomas Duncan, DO
Ventura, CA · $152 in drug and device payments (2025) · (805) 652-6201
Dr. Danny Colton, M.D., M.P.H., FICS
Victorville, CA · $3,294 in drug and device payments (2025) · (442) 327-9131
Dr. Elijah Mobley, M.D.
Victorville, CA · $71 in drug and device payments (2025) · (760) 241-6201

Common questions

How many Surgery providers are in California?

There are 3,111 Surgery providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.

Do Surgery providers in California offer telehealth?

Yes. 468 of the 3,111 Surgery providers in California (about 15%) report offering telehealth services in CMS data.

Which cities in California have the most Surgery providers?

Los Angeles (260), San Francisco (205), San Diego (158) have the highest concentration of Surgery providers in California.

How many Surgery providers in California received drug or device company payments?

1,519 of 3,111 Surgery providers in California (49%) 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 General Surgeons in California work in independent practices or large health systems?

Among 1,794 General Surgeons in California enrolled in Medicare, 24% bill through a solo or small practice with fewer than 10 clinicians, 14% through a mid-size group of 10 to 99, and 62% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do General Surgeons in California work at?

According to CMS facility affiliation records, the California hospitals where the most General Surgeons hold privileges are Stanford Health Care in Stanford; UCSF Medical Center in San Francisco; Ronald Reagan UCLA Medical Center in Los Angeles.

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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 Surgery in California? Get featured.