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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. James Wu, M.D.
Los Angeles, CA · $79 in drug and device payments (2025) · Telehealth · (310) 267-7838
Dr. Janice Verham, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (877) 574-0002
Dr. Jan Takasugi, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 857-2000
Dr. Jason Chen
Los Angeles, CA · $49 in drug and device payments (2025) · Telehealth · (323) 442-9064
Dr. Jed Castillo, M.D.
Los Angeles, CA · $8,591 in drug and device payments (2025) · (213) 977-0294
Dr. Jennifer Baker, MD
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (424) 259-8791
Dr. Jennifer Li, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 794-7788
Dr. Jennifer Lin, M.D.
Los Angeles, CA · $22 in drug and device payments (2025) · (323) 783-4147
Dr. Jerry Tsai, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-1737
Dr. Jesse Thompson, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 825-6078
Dr. Jessica Wu
Los Angeles, CA · $202 in drug and device payments (2025) · (713) 397-2832
Dr. Jiah Jang, D.O.
Los Angeles, CA · $3,622 in drug and device payments (2025) · (213) 674-7517
Dr. Jo Carol Hiatt, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4011
Dr. Joerg Zehetner, M.D.
Los Angeles, CA · $5,675 in drug and device payments (2025) · (323) 442-5910
Dr. Johannes Bodner, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 442-5910
Dr. John Collins, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4011
Dr. John Kang, M.D.
Los Angeles, CA · $135 in drug and device payments (2025) · (323) 913-4350
Dr. John Lipham, MD
Los Angeles, CA · $72,966 in drug and device payments (2025) · Telehealth · (323) 442-9062
Dr. Jonathan Sack, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 794-7788
Dr. Jonathan Saluta, MD
Los Angeles, CA · $25,500 in drug and device payments (2025) · (213) 482-2992
Dr. Jordan Rook, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 267-8054
Dr. Jordan Wlodarczyk, M.D. M.S.
Los Angeles, CA · No drug or device payments recorded (2025) · (714) 357-9599
Dr. Joseph Ahn, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-1737
Dr. Joseph Crompton
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (310) 206-6889
Dr. Joseph Kamelgard, MD, FACS
Los Angeles, CA · No drug or device payments recorded (2025) · (973) 573-2634
Dr. Joshua Chao
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 267-7838
Dr. Kambiz Kosari, MD
Los Angeles, CA · $823 in drug and device payments (2025) · Telehealth · (310) 423-6746
Dr. Kamran Samakar, M.D.
Los Angeles, CA · $987 in drug and device payments (2025) · Telehealth · (323) 442-9062
Dr. Karen Zaghiyan, MD
Los Angeles, CA · $455 in drug and device payments (2025) · Telehealth · (310) 289-9224
Dr. Katelyn Kondra, MD
Los Angeles, CA · $935 in drug and device payments (2025) · (310) 804-4665
Dr. Kaushal Patel, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 442-5988
Dr. Keira Kamm, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 857-2000
Dr. Kelly Vogt, M.D., FRCSC
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 442-5907
Dr. Kelsen Kobayashi, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 442-5755
Dr. Kemp Anderson, MD
Los Angeles, CA · $51 in drug and device payments (2025) · (323) 442-9064
Dr. Kenneth Adashek, M.D.
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 854-0815
Dr. Kenneth Barron, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4011
Dr. Kim Hargis, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 857-2000
Dr. Kyle Zanocco, MD
Los Angeles, CA · No drug or device payments recorded (2025) · Telehealth · (310) 026-7783
Dr. Larissa Epstein
Los Angeles, CA · No drug or device payments recorded (2025) · (650) 208-6812
Dr. Lauren Arbetman
Los Angeles, CA · $161 in drug and device payments (2025) · (323) 442-5831
Dr. Lauren Hawley, M.D.
Los Angeles, CA · $1,940 in drug and device payments (2025) · (323) 442-9062
Dr. Lina Romero, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (323) 783-4011
Dr. Linda Chun, M.D.
Los Angeles, CA · $32 in drug and device payments (2025) · (310) 923-2912
Dr. Linnea Cripe
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 825-2144
Dr. Lori Aliksanian, MD
Los Angeles, CA · $285 in drug and device payments (2025) · (213) 640-4008
Dr. Louise Yeung, M.D.
Los Angeles, CA · $700 in drug and device payments (2025) · (310) 423-8350
Dr. Luke Putnam, M.D.
Los Angeles, CA · $140 in drug and device payments (2025) · Telehealth · (323) 442-9062
Dr. Marco Tomassi, MD
Los Angeles, CA · $65 in drug and device payments (2025) · (323) 865-3892
Dr. Marjorie Fine, MD
Los Angeles, CA · No drug or device payments recorded (2025) · (310) 472-7481

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.

Surgery in all 50 states Search all 3,111 in the directory Ask Zach for help choosing

Related

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
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.