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. Qimeng Gao, MDSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 476-1000 Dr. Quan-yang Duh, MDSan Francisco, CA · $161 in drug and device payments (2025) · Telehealth ·
(415) 353-2161 Dr. Rachel Koch, M.D.San Francisco, CA · $4,490 in drug and device payments (2025) ·
(415) 353-2165 Dr. Ralph Roan, M.D.San Francisco, CA · No drug or device payments recorded (2025) ·
(415) 752-1001 Dr. Raymon Grogan, MDSan Francisco, CA · $149 in drug and device payments (2025) · Telehealth ·
(415) 885-7205 Dr. Rebecca Plevin, M.D.San Francisco, CA · No drug or device payments recorded (2025) ·
(206) 543-3680 Dr. Riley Brian, MDSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 476-1239 Dr. Rita Mukhtar, MDSan Francisco, CA · $543 in drug and device payments (2025) · Telehealth ·
(415) 476-1239 Dr. Robert Bush, M.D.San Francisco, CA · No drug or device payments recorded (2025) ·
(415) 621-8175 Dr. Robert Mackersie, MDSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 206-4634 Dr. Robert Murray, M.D.San Francisco, CA · No drug or device payments recorded (2025) ·
(415) 750-5995 Dr. Robert Osorio, M.D.San Francisco, CA · $78 in drug and device payments (2025) · Telehealth ·
(415) 600-1010 Dr. Robert Warren, M.D.San Francisco, CA · No drug or device payments recorded (2025) ·
(415) 353-9889 Dr. Ronald Clark, M.D.San Francisco, CA · No drug or device payments recorded (2025) ·
(415) 775-2795 Dr. Ronald Tesoriero, M.D.San Francisco, CA · $47 in drug and device payments (2025) ·
(628) 206-8000 Dr. Ross Linker, DDS, MDSan Francisco, CA · No drug or device payments recorded (2025) ·
(973) 738-9273 Dr. Sabreea ParnellSan Francisco, CA · $19 in drug and device payments (2025) ·
(415) 476-1000 Dr. Sakchai RuangsinSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 353-2161 Dr. Samantha HoffmanSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 476-1239 Dr. Samuel Esterkyn, M.D.San Francisco, CA · No drug or device payments recorded (2025) ·
(415) 771-1607 Dr. Sandhya Kumar, M.D.San Francisco, CA · $34 in drug and device payments (2025) ·
(415) 353-2161 Dr. Sandy Feng, MDSan Francisco, CA · No drug or device payments recorded (2025) · Telehealth ·
(415) 353-2318 Dr. Sang-mo Kang, MDSan Francisco, CA · No drug or device payments recorded (2025) · Telehealth ·
(415) 476-1551 Dr. Scot Merrick, MDSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 353-1606 Dr. Scott Hansen, MDSan Francisco, CA · $2,627 in drug and device payments (2025) · Telehealth ·
(415) 353-2165 Dr. Seiji Yamaguchi, M.D.San Francisco, CA · No drug or device payments recorded (2025) · Telehealth ·
(415) 608-4051 Dr. Seth Sankary, MDSan Francisco, CA · $4,391 in drug and device payments (2025) ·
(415) 353-4359 Dr. Shane Burch, M.D.San Francisco, CA · $41,261 in drug and device payments (2025) · Telehealth ·
(415) 353-2993 Dr. Shant Vartanian, MDSan Francisco, CA · $2,036 in drug and device payments (2025) · Telehealth ·
(415) 479-1239 Dr. Sierra Matula, M.D.San Francisco, CA · No drug or device payments recorded (2025) ·
(415) 206-4627 Dr. Simon ChuSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 476-1239 Dr. Sophie Lin, MD, PHDSan Francisco, CA · $194 in drug and device payments (2025) ·
(415) 476-1239 Dr. Stanley Leong, MDSan Francisco, CA · $114 in drug and device payments (2025) ·
(415) 600-3800 Dr. Stanley Rogers, MDSan Francisco, CA · $17,510 in drug and device payments (2025) · Telehealth ·
(415) 476-0762 Dr. Steven Sun, MDSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 600-5778 Dr. Susan Lee Char, MDSan Francisco, CA · $106 in drug and device payments (2025) ·
(141) 547-6129 Dr. Tammy Chang, M.D., PH.D.San Francisco, CA · No drug or device payments recorded (2025) ·
(415) 476-1239 Dr. Tasce Bongiovanni, MDSan Francisco, CA · $2,423 in drug and device payments (2025) · Telehealth ·
(415) 476-1239 Dr. Terrence Aragoni, M.D.San Francisco, CA · No drug or device payments recorded (2025) ·
(415) 433-3434 Dr. Thomas Li, MDSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 476-1239 Dr. Thomas Rosanelli, M.D.San Francisco, CA · No drug or device payments recorded (2025) ·
(415) 931-9881 Dr. Timothy Chuter, MDSan Francisco, CA · $1,691,702 in drug and device payments (2025) ·
(415) 353-4366 Dr. Vance Smith, M.D.San Francisco, CA · $443 in drug and device payments (2025) ·
(614) 313-3444 Dr. Warren Gasper, M.D.San Francisco, CA · $512 in drug and device payments (2025) · Telehealth ·
(415) 476-1239 Dr. William Bry, M.D.San Francisco, CA · No drug or device payments recorded (2025) ·
(415) 600-1000 Dr. William Goodson, MDSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 923-3925 Dr. Willieford Moses, M.D.San Francisco, CA · No drug or device payments recorded (2025) ·
(415) 476-2773 Dr. Wipusit Taesombat, M.D.San Francisco, CA · No drug or device payments recorded (2025) ·
(415) 476-0762 Dr. Yeranui Ledesma, M.D.San Francisco, CA · No drug or device payments recorded (2025) ·
(415) 476-1239 Dr. Yufei Chen, M.D.San Francisco, CA · $3,666 in drug and device payments (2025) · Telehealth ·
(415) 476-1000 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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