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. Ferdinand Perez - Rodriguez, MD
Victorville, CA · No drug or device payments recorded (2025) · (760) 241-8000
Dr. Julius Cruz, M.D.
Victorville, CA · No drug or device payments recorded (2025) · (760) 245-9714
Dr. Mitesh Patel, M.D.
Victorville, CA · $34 in drug and device payments (2025) · (760) 242-9355
Dr. Elliott Brender, M.D.
Villa Park, CA · No drug or device payments recorded (2025) · (714) 744-9442
Dr. Abiy Meshesha, M.D
Visalia, CA · No drug or device payments recorded (2025) · (559) 636-8600
Dr. Ameneh Kalani, M.D.
Visalia, CA · $4,288 in drug and device payments (2025) · (559) 302-5600
Dr. Ammon Rasmussen, M.D.
Visalia, CA · $125 in drug and device payments (2025) · (559) 738-7521
Dr. Brian Chu, MD
Visalia, CA · $33 in drug and device payments (2025) · (559) 624-5220
Dr. Geoffrey Darby, M.D.
Visalia, CA · $2,943 in drug and device payments (2025) · (650) 208-6600
Dr. Joseph Manuele, M.D.
Visalia, CA · No drug or device payments recorded (2025) · (559) 738-7514
Dr. Joshua Szynkowski, MD
Visalia, CA · $55 in drug and device payments (2025) · (559) 624-2000
Dr. Karen Mackenzie, M.D.
Visalia, CA · No drug or device payments recorded (2025) · (559) 733-9900
Dr. Kevin Cowan, MD
Visalia, CA · $5,365 in drug and device payments (2025) · (559) 738-0450
Dr. Kyle Potts, MD
Visalia, CA · No drug or device payments recorded (2025) · (559) 738-0450
Dr. Nichole Atherton, MD
Visalia, CA · No drug or device payments recorded (2025) · (559) 302-5600
Dr. Rebecca Zulim, M.D.
Visalia, CA · $91 in drug and device payments (2025) · (559) 713-1299
Dr. Robert Norton, MD
Visalia, CA · No drug or device payments recorded (2025) · (559) 622-8500
Dr. Russell Dounies, MD
Visalia, CA · $123 in drug and device payments (2025) · (559) 627-0800
Dr. Sandra Tomlinson-hansen, M.D.
Visalia, CA · $282 in drug and device payments (2025) · (559) 624-2000
Dr. Satish Kesavaramanujam, M.D.
Visalia, CA · $725 in drug and device payments (2025) · (559) 730-2000
Dr. Sebastiano Cassaro, MD
Visalia, CA · $17 in drug and device payments (2025) · (559) 302-5600
Dr. Edward Robertson, MD
Vista, CA · No drug or device payments recorded (2025) · (760) 806-5660
Dr. Jay Grove, M.D.
Vista, CA · $13,742 in drug and device payments (2025) · (760) 300-3647
Dr. Karen Hanna, M.D.
Vista, CA · $23 in drug and device payments (2025) · (760) 300-3647
Dr. Stephen Wilson, MD
Vista, CA · No drug or device payments recorded (2025) · (760) 806-5660
Dr. Jose Bautista, M.D.
Walnut, CA · No drug or device payments recorded (2025) · (626) 665-6704
Dr. Aaron Chin, M.D.
Walnut Creek, CA · $90 in drug and device payments (2025) · (925) 295-4000
Dr. Alison Savitz, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-7663
Dr. Anita Chiu, M.D.
Walnut Creek, CA · $210 in drug and device payments (2025) · (925) 295-4110
Dr. Arash Mohebati, MD
Walnut Creek, CA · $60 in drug and device payments (2025) · Telehealth · (925) 933-0984
Dr. Ben Schwab, M.D.
Walnut Creek, CA · $1,847 in drug and device payments (2025) · (925) 296-7340
Dr. Brian Chin, MD
Walnut Creek, CA · $24 in drug and device payments (2025) · (925) 932-6330
Dr. Charleen Kim, M.D.
Walnut Creek, CA · $105 in drug and device payments (2025) · Telehealth · (925) 933-0984
Dr. Danielle Bertoni, MD
Walnut Creek, CA · $2,748 in drug and device payments (2025) · Telehealth · (925) 433-8786
Dr. Deborah Kerlin, M.D., F.A.C.S.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 945-7600
Dr. Eugenia Kang, MD
Walnut Creek, CA · $57 in drug and device payments (2025) · (925) 933-0984
Dr. Gabrielle Levine, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-4000
Dr. Irene Lo, M.D.
Walnut Creek, CA · $23 in drug and device payments (2025) · (925) 933-0984
Dr. Isabelle Struve
Walnut Creek, CA · $16,976 in drug and device payments (2025) · (925) 932-6330
Dr. Jacob Spivak, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-7854
Dr. James Choi, MD
Walnut Creek, CA · $4,686 in drug and device payments (2025) · (925) 295-4110
Dr. Jason Moy, MD
Walnut Creek, CA · $9,318 in drug and device payments (2025) · (925) 932-6330
Dr. John Zink, MD
Walnut Creek, CA · $4,428 in drug and device payments (2025) · (925) 932-6330
Dr. Kathleen Manning, MD
Walnut Creek, CA · $37 in drug and device payments (2025) · (925) 295-4110
Dr. Michael Baker, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 933-0984
Dr. Michael Deboisblanc, MD
Walnut Creek, CA · $403 in drug and device payments (2025) · (925) 932-6330
Dr. Negar Salehomoum, M.D.
Walnut Creek, CA · $8,541 in drug and device payments (2025) · (925) 274-9000
Dr. Nicolas Skaric, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 939-5866
Dr. Peter Mazolewski, M.D.
Walnut Creek, CA · $16,996 in drug and device payments (2025) · (925) 658-5076
Dr. Rafael Diaz Flores, M.D.
Walnut Creek, CA · $14,662 in drug and device payments (2025) · (925) 658-3731

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.