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 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. Janey Pratt, MDPalo Alto, CA · $139 in drug and device payments (2025) ·
(650) 723-4000 Dr. Jean Bao, MDPalo Alto, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-4000 Dr. Jonathan Delong, M.D.Palo Alto, CA · $7,889 in drug and device payments (2025) · Telehealth ·
(650) 723-4000 Dr. Joseph Forrester, M.D.Palo Alto, CA · $4,310 in drug and device payments (2025) · Telehealth ·
(650) 723-4000 Dr. Kimberly Stone, M.D.Palo Alto, CA · $105 in drug and device payments (2025) · Telehealth ·
(650) 723-4000 Dr. Lisa Knowlton, MD, MPHPalo Alto, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Lucille Reid, MDPalo Alto, CA · No drug or device payments recorded (2025) ·
(646) 603-8963 Dr. Lye-yeng Wong, MDPalo Alto, CA · No drug or device payments recorded (2025) ·
(281) 770-7568 Dr. Marc Abi Karam, MD, MSPalo Alto, CA · No drug or device payments recorded (2025) ·
(650) 644-5656 Dr. Mardi Karin, M.D.Palo Alto, CA · $356 in drug and device payments (2025) · Telehealth ·
(650) 723-4000 Dr. Mary Hawn, MDPalo Alto, CA · $933 in drug and device payments (2025) · Telehealth ·
(650) 723-4000 Dr. Micaela Esquivel, M.D.Palo Alto, CA · $32,039 in drug and device payments (2025) · Telehealth ·
(650) 723-4000 Dr. Mira Malavia, BAPalo Alto, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Monica Dua, MDPalo Alto, CA · $200 in drug and device payments (2025) · Telehealth ·
(650) 723-4000 Dr. Nalini Raju, MD MPHPalo Alto, CA · No drug or device payments recorded (2025) ·
(408) 332-8097 Dr. Perisa Ruhi-williams, MDPalo Alto, CA · $2,856 in drug and device payments (2025) ·
(650) 723-4000 Dr. Peter Bendix, MDPalo Alto, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Phoenix Vuong, M.D.Palo Alto, CA · No drug or device payments recorded (2025) ·
(650) 497-8000 Dr. Rheyana Branch, MDPalo Alto, CA · $259 in drug and device payments (2025) ·
(650) 725-2181 Dr. Robin Cisco, M.D.Palo Alto, CA · $28 in drug and device payments (2025) · Telehealth ·
(650) 723-4000 Dr. Runi Chattopadhyay, MDPalo Alto, CA · No drug or device payments recorded (2025) ·
(650) 853-2946 Dr. Samuel So, M.D., F.A.C.S.Palo Alto, CA · $16 in drug and device payments (2025) · Telehealth ·
(650) 723-4000 Dr. Samy Bendjemil, MD, MPHPalo Alto, CA · $2,024 in drug and device payments (2025) ·
(650) 723-4000 Dr. Sarvesh Periyasamy, MD, PHDPalo Alto, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Shelley Marks, MDPalo Alto, CA · $84 in drug and device payments (2025) · Telehealth ·
(650) 321-4121 Dr. Sherry Wren, MDPalo Alto, CA · No drug or device payments recorded (2025) ·
(650) 723-4000 Dr. Syed Hameed, MDPalo Alto, CA · $5,011 in drug and device payments (2025) · Telehealth ·
(650) 723-4000 Dr. Vanni Manthiram, MDPalo Alto, CA · $33 in drug and device payments (2025) · Telehealth ·
(650) 723-4000 Dr. Yen-chung Lee, M.D.Palo Alto, CA · No drug or device payments recorded (2025) · Telehealth ·
(650) 723-4000 Dr. Yulia Zak, M.D.Palo Alto, CA · $327 in drug and device payments (2025) · Telehealth ·
(650) 723-4000 Dr. Abdi Sherif, MDPanorama City, CA · No drug or device payments recorded (2025) ·
(818) 375-2000 Dr. Albert Song, MDPanorama City, CA · $147 in drug and device payments (2025) ·
(818) 375-2000 Dr. Ashok Reddy, MDPanorama City, CA · $27 in drug and device payments (2025) ·
(818) 375-2000 Dr. Celeste Kang, M.D.Panorama City, CA · No drug or device payments recorded (2025) ·
(818) 375-1740 Dr. Chaewoo Ahn, MDPanorama City, CA · No drug or device payments recorded (2025) ·
(818) 375-2000 Dr. Dustin Robinson, MDPanorama City, CA · No drug or device payments recorded (2025) ·
(818) 375-1740 Dr. Eric Daniels, MDPanorama City, CA · No drug or device payments recorded (2025) ·
(818) 375-2000 Dr. Judith Cymerman, MDPanorama City, CA · No drug or device payments recorded (2025) ·
(818) 375-2000 Dr. Manuel Santos, MDPanorama City, CA · $77 in drug and device payments (2025) ·
(818) 375-2000 Dr. Michelle Beshara, MDPanorama City, CA · No drug or device payments recorded (2025) ·
(818) 375-2000 Dr. Stephan Zweig, MDPanorama City, CA · No drug or device payments recorded (2025) ·
(818) 375-2000 Dr. Tirso Del Junco, MDPanorama City, CA · No drug or device payments recorded (2025) ·
(818) 997-5000 Dr. Donald Smith, M.D.Paradise, CA · No drug or device payments recorded (2025) ·
(530) 877-4649 Dr. Justin Hunt, M.D.Paradise, CA · No drug or device payments recorded (2025) ·
(530) 877-4983 Dr. Lyle Hunt, M.D.Paradise, CA · No drug or device payments recorded (2025) ·
(530) 877-4983 Dr. Nasser Mehrizi, M.D.Paramount, CA · No drug or device payments recorded (2025) ·
(562) 630-0050 Dr. Olivier Urayeneza, M.D.Paramount, CA · $862 in drug and device payments (2025) ·
(323) 545-9288 Dr. Abigail Jacobs, MDPasadena, CA · $93 in drug and device payments (2025) ·
(626) 397-5166 Dr. Andres Ruiz, MD, MPHPasadena, CA · No drug or device payments recorded (2025) ·
(626) 397-5000 Dr. Ara Keshishian, MDPasadena, CA · No drug or device payments recorded (2025) ·
(818) 812-7222 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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