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. Makrouhi Kademian, MDThousand Oaks, CA · $1,754 in drug and device payments (2025) ·
(805) 379-4677 Dr. Mehran Mirkazemi, D.O.Thousand Oaks, CA · $417 in drug and device payments (2025) ·
(805) 908-6552 Dr. Nishant Sharma, MDThousand Oaks, CA · $2,399 in drug and device payments (2025) ·
(805) 496-9727 Dr. Patrick Reiten, M.D.Thousand Oaks, CA · No drug or device payments recorded (2025) ·
(805) 495-9949 Dr. Tom Measles, M.D.Thousand Oaks, CA · No drug or device payments recorded (2025) ·
(805) 370-5444 Dr. Trung Bui, MDThousand Oaks, CA · $1,966 in drug and device payments (2025) ·
(805) 496-9727 Dr. Ruth Rassel, D.O.Tiburon, CA · No drug or device payments recorded (2025) ·
(415) 272-1131 Dr. Abraham Korn, MDTorrance, CA · $96 in drug and device payments (2025) ·
(310) 222-2700 Dr. Aileen Takahashi, MDTorrance, CA · $83 in drug and device payments (2025) · Telehealth ·
(310) 373-6864 Dr. Albert Lam, M.D.Torrance, CA · $19 in drug and device payments (2025) ·
(310) 373-6864 Dr. Alexa Roth, M.D.Torrance, CA · $2,834 in drug and device payments (2025) · Telehealth ·
(310) 222-2700 Dr. Alicia Holt, MDTorrance, CA · $1,430 in drug and device payments (2025) ·
(310) 222-2700 Dr. Andrew ShoverTorrance, CA · $35 in drug and device payments (2025) ·
(310) 222-2700 Dr. Ann Callahan, MDTorrance, CA · $5,641 in drug and device payments (2025) ·
(310) 373-6864 Dr. Armen Aboulian, MDTorrance, CA · $1,622 in drug and device payments (2025) · Telehealth ·
(310) 222-2700 Dr. Ashkan Moazzez, M.D. M.P.HTorrance, CA · No drug or device payments recorded (2025) ·
(310) 222-2775 Dr. Brant Putnam, M.D.Torrance, CA · $345 in drug and device payments (2025) ·
(310) 222-5251 Dr. Bryan Goldner, DOTorrance, CA · No drug or device payments recorded (2025) ·
(310) 222-2700 Dr. Catherine Madorin, M.D.Torrance, CA · $1,133 in drug and device payments (2025) ·
(310) 373-6864 Dr. Christian Perez, MDTorrance, CA · $298 in drug and device payments (2025) ·
(424) 306-8085 Dr. Christine Dauphine, MDTorrance, CA · $56 in drug and device payments (2025) ·
(310) 222-6715 Dr. Christopher Kim, M.D.Torrance, CA · $58 in drug and device payments (2025) ·
(424) 306-8070 Dr. Daanish Ahmad, MDTorrance, CA · No drug or device payments recorded (2025) ·
(424) 306-8070 Dr. Danielle Hari, MDTorrance, CA · No drug or device payments recorded (2025) ·
(310) 222-1704 Dr. Dapo Popoola, M.D.Torrance, CA · No drug or device payments recorded (2025) ·
(310) 539-9570 Dr. Edward Mun, M.D.Torrance, CA · No drug or device payments recorded (2025) ·
(310) 373-6864 Dr. Eric Yeates, M.D.Torrance, CA · $4,065 in drug and device payments (2025) ·
(424) 306-5300 Dr. Fernando Antelo, M.D.Torrance, CA · No drug or device payments recorded (2025) ·
(310) 222-2643 Dr. George Singer, M.D.Torrance, CA · $305 in drug and device payments (2025) ·
(310) 222-1912 Dr. Gerald Schiff, MDTorrance, CA · No drug or device payments recorded (2025) ·
(310) 373-6864 Dr. Gregory Ginsburg, M.D.Torrance, CA · $274 in drug and device payments (2025) ·
(310) 372-4500 Dr. Hanjoo Lee, MDTorrance, CA · No drug or device payments recorded (2025) ·
(424) 306-8099 Dr. Houman Solomon, MDTorrance, CA · $167 in drug and device payments (2025) · Telehealth ·
(310) 373-6864 Dr. Irwin Goldberg, M.D.Torrance, CA · No drug or device payments recorded (2025) ·
(310) 373-6864 Dr. James Camel, M.D.Torrance, CA · $2,398 in drug and device payments (2025) ·
(310) 373-6864 Dr. Jillian Angelo, MDTorrance, CA · $464 in drug and device payments (2025) · Telehealth ·
(310) 326-3066 Dr. John Reinier Narvaez, MD, MPHTorrance, CA · No drug or device payments recorded (2025) ·
(424) 306-4000 Dr. Joyce HoTorrance, CA · No drug or device payments recorded (2025) ·
(310) 222-2700 Dr. Kathy Gohar, MDTorrance, CA · $525 in drug and device payments (2025) ·
(310) 371-4628 Dr. Kevin BranchTorrance, CA · $234 in drug and device payments (2025) ·
(310) 326-2102 Dr. Matthew Lin, MDTorrance, CA · No drug or device payments recorded (2025) · Telehealth ·
(310) 222-2700 Dr. Melanie Friedlander, M.D.Torrance, CA · $453 in drug and device payments (2025) · Telehealth ·
(310) 373-6864 Dr. Michael Li, M.D.Torrance, CA · No drug or device payments recorded (2025) ·
(310) 373-6864 Dr. Noemi Capistrano, NPTorrance, CA · No drug or device payments recorded (2025) ·
(310) 222-1672 Dr. Raj Mittal, M.D.Torrance, CA · $321 in drug and device payments (2025) ·
(310) 539-2630 Dr. Ramin Roohipour, M.D.Torrance, CA · $629 in drug and device payments (2025) · Telehealth ·
(310) 326-3066 Dr. Rashaan Ali-jones, MDTorrance, CA · No drug or device payments recorded (2025) · Telehealth ·
(310) 373-6864 Dr. Richard Lopez, M.D.Torrance, CA · No drug or device payments recorded (2025) ·
(310) 303-5075 Dr. Roberta Mann, M.D.Torrance, CA · No drug or device payments recorded (2025) ·
(310) 517-4736 Dr. Ryan Cohen, MDTorrance, CA · $510 in drug and device payments (2025) ·
(818) 926-2054 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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