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. Joseph Vanderlinden, M.D. Dr. Aaron Baggs, MDRichmond, CA · $1,535 in drug and device payments (2025) ·
(510) 307-1500 Dr. Albert Im, MDRichmond, CA · $317 in drug and device payments (2025) · Telehealth ·
(510) 307-1500 Dr. David Fisher, MDRichmond, CA · No drug or device payments recorded (2025) ·
(510) 307-1500 Dr. Jennifer Greer, MDRichmond, CA · No drug or device payments recorded (2025) ·
(510) 307-1500 Dr. Judith Park, MDRichmond, CA · No drug or device payments recorded (2025) ·
(510) 307-1500 Dr. Melissa Chu, MDRichmond, CA · $16 in drug and device payments (2025) ·
(510) 307-1500 Dr. Rouzbeh Mostaedi, MDRichmond, CA · $444 in drug and device payments (2025) · Telehealth ·
(510) 307-2450 Dr. William Cannata, M.D.Ridgecrest, CA · No drug or device payments recorded (2025) ·
(760) 446-6404 Dr. Aaron Lee, DORiverside, CA · $27,816 in drug and device payments (2025) ·
(951) 276-9012 Dr. Albert Ko, MDRiverside, CA · $770 in drug and device payments (2025) ·
(909) 353-2000 Dr. Andrew Mccague, DO, FACOS, FACSRiverside, CA · $268 in drug and device payments (2025) ·
(951) 373-5800 Dr. Anthony Strada, MDRiverside, CA · No drug or device payments recorded (2025) ·
(951) 781-3672 Dr. Aras Emdadi, DORiverside, CA · $2,434 in drug and device payments (2025) · Telehealth ·
(951) 276-9012 Dr. Arash Rahimi-ardabilyRiverside, CA · $461 in drug and device payments (2025) ·
(888) 754-0626 Dr. Benjamin Leong, M.D.Riverside, CA · $569 in drug and device payments (2025) ·
(951) 278-8870 Dr. Betty Hou, MDRiverside, CA · $19 in drug and device payments (2025) ·
(951) 276-9012 Dr. Brianna Williams, MDRiverside, CA · $215 in drug and device payments (2025) ·
(951) 520-9392 Dr. Cecilia Loh, M.D.Riverside, CA · No drug or device payments recorded (2025) ·
(951) 278-8870 Dr. Chi Chung, MDRiverside, CA · $60 in drug and device payments (2025) ·
(909) 353-2000 Dr. Christina LienRiverside, CA · No drug or device payments recorded (2025) ·
(951) 278-8870 Dr. Christopher Co, DORiverside, CA · $116 in drug and device payments (2025) ·
(951) 373-5800 Dr. Christopher Kim, M.D.Riverside, CA · No drug or device payments recorded (2025) ·
(951) 235-7251 Dr. Dahlia Tawfik-sexton, MDRiverside, CA · $1,328 in drug and device payments (2025) ·
(951) 353-2000 Dr. Dale Daniel, MDRiverside, CA · No drug or device payments recorded (2025) ·
(909) 353-2000 Dr. David Barton, MDRiverside, CA · No drug or device payments recorded (2025) ·
(951) 789-1880 Dr. Dzuy Le, MDRiverside, CA · No drug or device payments recorded (2025) ·
(909) 588-8418 Dr. Edmund Burke, MDRiverside, CA · No drug or device payments recorded (2025) ·
(909) 353-2000 Dr. Edward Cho, M.D.Riverside, CA · No drug or device payments recorded (2025) ·
(367) 295-1781 Dr. Elizabeth TranRiverside, CA · No drug or device payments recorded (2025) ·
(951) 966-8398 Dr. Emily Dubina, MDRiverside, CA · $6,184 in drug and device payments (2025) ·
(951) 373-5800 Dr. Eric Changchien, MDRiverside, CA · $22 in drug and device payments (2025) ·
(951) 278-8870 Dr. Fekede Gemechu, MDRiverside, CA · No drug or device payments recorded (2025) ·
(909) 353-2000 Dr. Gustavo Lara, M.D.Riverside, CA · $304 in drug and device payments (2025) ·
(951) 276-9012 Dr. Hakan Wahlstrom, M.D.Riverside, CA · No drug or device payments recorded (2025) ·
(951) 275-9000 Dr. Harvey Nurick, M.D.Riverside, CA · $416 in drug and device payments (2025) ·
(951) 276-9012 Dr. Hidehisa Takei, MDRiverside, CA · $90 in drug and device payments (2025) ·
(951) 321-6355 Dr. Hongphuc Ha, DORiverside, CA · $164 in drug and device payments (2025) ·
(951) 321-6310 Dr. Iden Andacheh, MDRiverside, CA · $1,169 in drug and device payments (2025) ·
(951) 276-9012 Dr. James Maciel, MD, MPHRiverside, CA · No drug or device payments recorded (2025) ·
(951) 689-2955 Dr. James Pollack, M.D.Riverside, CA · $312 in drug and device payments (2025) ·
(951) 278-8870 Dr. John Coon, M.D.Riverside, CA · No drug or device payments recorded (2025) ·
(951) 687-9400 Dr. John Husted, M.D.Riverside, CA · $25 in drug and device payments (2025) ·
(951) 278-8870 Dr. Kambiz Zainabadi, MDRiverside, CA · $3,485 in drug and device payments (2025) ·
(951) 321-6310 Dr. Leonids Raterman, M.D.Riverside, CA · No drug or device payments recorded (2025) ·
(951) 782-5110 Dr. Martin Perez, M.D.Riverside, CA · No drug or device payments recorded (2025) ·
(951) 782-3650 Dr. Michael Chin, M.D.Riverside, CA · $460 in drug and device payments (2025) ·
(951) 278-8870 Dr. Naseem Attar, M.D.Riverside, CA · No drug or device payments recorded (2025) ·
(951) 686-4677 Dr. Nicholas Zekos, MDRiverside, CA · No drug or device payments recorded (2025) ·
(951) 782-3650 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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