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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. Ayla Senay, MD
Stockton, CA · $3,323 in drug and device payments (2025) · (209) 946-6800
Dr. Carlos Ramirez, MD
Stockton, CA · No drug or device payments recorded (2025) · (209) 476-2000
Dr. Christopher Arismendi, MD
Stockton, CA · $783 in drug and device payments (2025) · (209) 466-9694
Dr. Deandrea Sims, M.D.
Stockton, CA · $301 in drug and device payments (2025) · (209) 946-6800
Dr. Dean Sloan, M.D.
Stockton, CA · No drug or device payments recorded (2025) · (209) 957-7050
Dr. Dinesh Vyas, MD
Stockton, CA · $25 in drug and device payments (2025) · (314) 260-7609
Dr. Donald Garcia, MD
Stockton, CA · $36 in drug and device payments (2025) · (209) 465-2711
Dr. Earl Taylor
Stockton, CA · No drug or device payments recorded (2025) · (209) 466-0678
Dr. Grace Tay, MD
Stockton, CA · No drug or device payments recorded (2025) · (209) 476-2000
Dr. Halemane Ranganath, MD
Stockton, CA · No drug or device payments recorded (2025) · (209) 476-2000
Dr. Matthew Kung, M.D.
Stockton, CA · $5,306 in drug and device payments (2025) · (209) 476-2000
Dr. Mercedes Grajales-zweigle, MD
Stockton, CA · No drug or device payments recorded (2025) · (330) 493-4443
Dr. Monica Cabello
Stockton, CA · No drug or device payments recorded (2025) · (209) 476-2000
Dr. Patrick Manookian, M.D.
Stockton, CA · $9 in drug and device payments (2025) · (209) 957-7050
Dr. Peter Tuxen, MD
Stockton, CA · No drug or device payments recorded (2025) · (209) 946-6800
Dr. Rene Relos, MD
Stockton, CA · No drug or device payments recorded (2025) · (209) 476-2000
Dr. Rick Rawson, M.D.
Stockton, CA · No drug or device payments recorded (2025) · (209) 464-0150
Dr. Rowena Ramirez, M.D.
Stockton, CA · No drug or device payments recorded (2025) · (209) 464-4743
Dr. Steven Goldberg, MD
Stockton, CA · No drug or device payments recorded (2025) · (209) 948-2001
Dr. Tarig Samarkandy, MD
Stockton, CA · $21,326 in drug and device payments (2025) · (209) 957-7050
Dr. Teresa Huynh
Stockton, CA · $1,504 in drug and device payments (2025) · (209) 476-2000
Dr. Timothy Bechtel, MD
Stockton, CA · No drug or device payments recorded (2025) · (209) 851-2144
Dr. Fatima Khambaty, MD
Sunnyvale, CA · No drug or device payments recorded (2025) · (408) 737-2620
Dr. Omar Dawood, M.D., M.P.H.
Sunnyvale, CA · No drug or device payments recorded (2025) · (408) 431-0051
Dr. Arthur Schwartz, M.D.
Susanville, CA · No drug or device payments recorded (2025) · (530) 257-8346
Dr. Dale Syverson, MD
Susanville, CA · No drug or device payments recorded (2025) · (530) 252-4115
Dr. Darin Saltzman, M.D
Sylmar, CA · $76 in drug and device payments (2025) · (818) 364-3194
Dr. Formosa Chen, M.D.
Sylmar, CA · $59 in drug and device payments (2025) · (818) 364-3031
Dr. Melinda Gibbons, MD
Sylmar, CA · $110 in drug and device payments (2025) · (818) 364-3194
Dr. Allen Hoffman, M.D.
Tarzana, CA · No drug or device payments recorded (2025) · (818) 345-9600
Dr. David Sievers, M.D.
Tarzana, CA · No drug or device payments recorded (2025) · (818) 342-2123
Dr. Douglas Morrow, MD
Tarzana, CA · $235 in drug and device payments (2025) · (818) 708-1004
Dr. Lana Louie, MD
Tarzana, CA · No drug or device payments recorded (2025) · (818) 342-2123
Dr. Raymond Rivera, M.D.
Tarzana, CA · No drug or device payments recorded (2025) · (818) 345-9600
Dr. Robert Harwood, M.D.
Tarzana, CA · No drug or device payments recorded (2025) · (818) 887-7375
Dr. Hana Abdirahman, MD
Temecula, CA · $325 in drug and device payments (2025) · (614) 843-0133
Dr. David Bolivar, MD
Templeton, CA · $9,996 in drug and device payments (2025) · Telehealth · (805) 434-3133
Dr. John Blaney, M.D.
Templeton, CA · $1,958 in drug and device payments (2025) · Telehealth · (805) 434-3133
Dr. Michelle Ribas, M.D.
Templeton, CA · $109 in drug and device payments (2025) · Telehealth · (805) 434-2253
Dr. Randolph Lawrence, M.D.
Templeton, CA · No drug or device payments recorded (2025) · (805) 434-0811
Dr. Reynaldo Cordero, M.D.
Templeton, CA · $254 in drug and device payments (2025) · (805) 434-3699
Dr. Robert Danielson, M.D.
Templeton, CA · No drug or device payments recorded (2025) · (805) 237-0422
Dr. Winnie Feng, DO
Templeton, CA · $43 in drug and device payments (2025) · Telehealth · (805) 434-2253
Dr. Amir-hossein Mehran, MD
Thousand Oaks, CA · $328 in drug and device payments (2025) · (805) 379-9796
Dr. Andrea Pakula, M.D.
Thousand Oaks, CA · $264,648 in drug and device payments (2025) · Telehealth · (805) 852-0852
Dr. Donald Waldrep, M.D.
Thousand Oaks, CA · $1,426 in drug and device payments (2025) · (805) 230-0030
Dr. Hodad Naderi
Thousand Oaks, CA · $248 in drug and device payments (2025) · (805) 379-9696
Dr. Ifeanyi Amuzie, MD
Thousand Oaks, CA · No drug or device payments recorded (2025) · (805) 371-0647
Dr. John Matrisciano, MD
Thousand Oaks, CA · No drug or device payments recorded (2025) · (805) 379-4677
Dr. Lauren Poliakin, MD
Thousand Oaks, CA · $359 in drug and device payments (2025) · Telehealth · (805) 497-8820

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.