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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. Nghiem Dang, M.D.
Westminster, CA · No drug or device payments recorded (2025) · (714) 379-6245
Dr. Tuan Nguyen, D.O.
Westminster, CA · $127 in drug and device payments (2025) · (714) 979-1445
Dr. Alvin Shon, M.D.
Whittier, CA · No drug or device payments recorded (2025) · (562) 945-1396
Dr. Amanda Purdy, MD
Whittier, CA · $111 in drug and device payments (2025) · Telehealth · (562) 789-5449
Dr. Charles Ray, M.D.
Whittier, CA · No drug or device payments recorded (2025) · (562) 698-2541
Dr. David Anderson, M.D.
Whittier, CA · No drug or device payments recorded (2025) · (562) 789-5449
Dr. Dennis Sargent, M.D.
Whittier, CA · No drug or device payments recorded (2025) · (562) 789-5489
Dr. Hose Kim, M.D.
Whittier, CA · $47 in drug and device payments (2025) · (562) 945-8873
Dr. Jade Nguyen, MD
Whittier, CA · $144 in drug and device payments (2025) · (562) 789-5449
Dr. Jason Jensen, M.D.
Whittier, CA · $233 in drug and device payments (2025) · (562) 789-5444
Dr. Justin Braverman, MD
Whittier, CA · $22 in drug and device payments (2025) · (562) 789-5449
Dr. Kennith Thompson, M.D., FACS
Whittier, CA · No drug or device payments recorded (2025) · (562) 945-1396
Dr. Rashi Singh
Whittier, CA · $109 in drug and device payments (2025) · (562) 698-0811
Dr. Rayan Eshaghian, M.D.
Whittier, CA · $127 in drug and device payments (2025) · (562) 789-5449
Dr. Samuel Kim, M.D.
Whittier, CA · $36 in drug and device payments (2025) · (562) 789-5449
Dr. Shawn Fu, MD
Whittier, CA · $1,534 in drug and device payments (2025) · Telehealth · (562) 789-5449
Dr. Craig Owens, M.D.
Wildomar, CA · $266 in drug and device payments (2025) · (951) 698-3000
Dr. Francis Essien, M.D.
Wildomar, CA · $3,759 in drug and device payments (2025) · (951) 698-3000
Dr. James O'loughlin, D.O.
Wildomar, CA · No drug or device payments recorded (2025) · (951) 698-3000
Dr. Kaylene Barrera, MD
Wildomar, CA · $1,287 in drug and device payments (2025) · (951) 698-3000
Dr. Marvin Atchison, MD
Wildomar, CA · $147 in drug and device payments (2025) · (480) 354-3200
Dr. Olivia Mac, M.D.
Wildomar, CA · $1,065 in drug and device payments (2025) · (951) 698-3000
Dr. Raymund Cordero, M.D.
Wildomar, CA · $6,121 in drug and device payments (2025) · (951) 698-3000
Dr. Stephen Dada, M.D.
Wildomar, CA · $50 in drug and device payments (2025) · (951) 698-3000
Dr. Tito Gorski, M.D.
Wildomar, CA · $326 in drug and device payments (2025) · (951) 698-3000
Dr. Lance Ludington, M.D.
Willits, CA · No drug or device payments recorded (2025) · (707) 459-6115
Dr. Barbara Ackerman, MD
Willows, CA · No drug or device payments recorded (2025) · (530) 934-4682
Dr. Dominic Erba, M.D.
Woodland, CA · No drug or device payments recorded (2025) · (530) 666-1631
Dr. Douglas Lurie, M.D.
Woodland, CA · No drug or device payments recorded (2025) · (530) 666-1631
Dr. Jennifer Olson, M.D.
Woodland, CA · $4,695 in drug and device payments (2025) · Telehealth · (530) 668-2600
Dr. Karen Win-vroom, MD
Woodland, CA · $3,943 in drug and device payments (2025) · (530) 668-2600
Dr. Natasha Bir, MD, MHS
Woodland, CA · $6,380 in drug and device payments (2025) · (530) 668-2600
Dr. Riaz Shah, MD
Woodland, CA · $5,189 in drug and device payments (2025) · (530) 668-2600
Dr. Cam Ly Tran, MD
Woodland Hills, CA · $3,181 in drug and device payments (2025) · (818) 719-2000
Dr. Dennis Alwen, M.D.
Woodland Hills, CA · $19 in drug and device payments (2025) · (818) 518-5980
Dr. Janice Schilling, MD
Woodland Hills, CA · No drug or device payments recorded (2025) · (818) 719-2000
Dr. Justin Kang, MD
Woodland Hills, CA · No drug or device payments recorded (2025) · (818) 719-2000
Dr. Shirley Suda, MD
Woodland Hills, CA · No drug or device payments recorded (2025) · (818) 719-2000
Dr. Soo Han, MD
Woodland Hills, CA · $71 in drug and device payments (2025) · (818) 719-2000
Dr. Steven Crain, MD
Woodland Hills, CA · $615 in drug and device payments (2025) · (818) 719-2000
Dr. Steven Weinstein, MD
Woodland Hills, CA · No drug or device payments recorded (2025) · (818) 719-2000
Dr. Sunee Woo, MD
Woodland Hills, CA · $3,708 in drug and device payments (2025) · (818) 719-2000
Dr. Thomas Wood, MD
Woodland Hills, CA · No drug or device payments recorded (2025) · (818) 719-2000
Dr. Tracy Heisler, MD
Woodland Hills, CA · No drug or device payments recorded (2025) · (818) 719-2000
Dr. Vatche Agopian, MD
Woodland Hills, CA · $5,119 in drug and device payments (2025) · Telehealth · (818) 719-2000
Dr. Alexander Pham, MD
Yorba Linda, CA · $229 in drug and device payments (2025) · (714) 824-2554
Dr. John Crabtree, MD
Yorba Linda, CA · No drug or device payments recorded (2025) · (714) 612-2937
Dr. Ravi Shah, D.O.
Yorba Linda, CA · $572 in drug and device payments (2025) · Telehealth · (714) 577-9090
Dr. Irony Sade, MD
Yreka, CA · $4,150 in drug and device payments (2025) · (530) 842-3507
Dr. Manika Paul
Yreka, CA · $2,199 in drug and device payments (2025) · (925) 548-3251

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.