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. Arvin Taneja, MDPasadena, CA · $260 in drug and device payments (2025) ·
(626) 844-0555 Dr. David Albin, M.D.Pasadena, CA · No drug or device payments recorded (2025) ·
(626) 584-6116 Dr. David Lourie, MDPasadena, CA · $231,805 in drug and device payments (2025) ·
(626) 793-7955 Dr. David Martin, MDPasadena, CA · No drug or device payments recorded (2025) · Telehealth ·
(626) 644-3283 Dr. George Williams, M.D.Pasadena, CA · No drug or device payments recorded (2025) ·
(626) 577-8620 Dr. Gloria Marie F. Tumbaga, MDPasadena, CA · $90 in drug and device payments (2025) ·
(808) 387-3302 Dr. Hilda Sharifi-nia, MDPasadena, CA · No drug or device payments recorded (2025) ·
(626) 405-7914 Dr. Howard Kaufman, MDPasadena, CA · $16 in drug and device payments (2025) ·
(626) 397-5896 Dr. James Blitz, MDPasadena, CA · No drug or device payments recorded (2025) ·
(626) 397-5000 Dr. James Recabaren, MDPasadena, CA · $189 in drug and device payments (2025) ·
(626) 449-4859 Dr. Jasmine Park, MDPasadena, CA · $93 in drug and device payments (2025) ·
(626) 397-5000 Dr. Jean Claude Henry, MDPasadena, CA · No drug or device payments recorded (2025) ·
(626) 272-7411 Dr. Joshua Tseng, MDPasadena, CA · No drug or device payments recorded (2025) ·
(626) 585-4120 Dr. Kimberly Ku, MDPasadena, CA · No drug or device payments recorded (2025) ·
(626) 397-5000 Dr. Louis PradoPasadena, CA · $93 in drug and device payments (2025) ·
(626) 397-5166 Dr. Magdi Alexander, F.A.C.S.Pasadena, CA · No drug or device payments recorded (2025) ·
(626) 431-2710 Dr. Michael Albin, M.D.Pasadena, CA · No drug or device payments recorded (2025) ·
(626) 584-6116 Dr. Michele Montllor, M.D.Pasadena, CA · No drug or device payments recorded (2025) ·
(626) 397-5000 Dr. Nicole Rossi, MDPasadena, CA · No drug or device payments recorded (2025) ·
(626) 397-5166 Dr. Ryan CheungPasadena, CA · $237 in drug and device payments (2025) ·
(626) 397-5187 Dr. Scott Gaspard, M.D.Pasadena, CA · $410 in drug and device payments (2025) ·
(626) 397-5187 Dr. Sheilah Clayton, M.D.Pasadena, CA · $914 in drug and device payments (2025) ·
(626) 791-5559 Dr. Shriya Reddy, MDPasadena, CA · No drug or device payments recorded (2025) ·
(626) 397-5277 Dr. Wes Powell, MDPasadena, CA · $317 in drug and device payments (2025) ·
(626) 765-6944 Dr. Elpidio Mariano, M.D.Petaluma, CA · No drug or device payments recorded (2025) ·
(707) 763-1575 Dr. Michael Bozuk, M.D.Petaluma, CA · No drug or device payments recorded (2025) ·
(707) 763-3967 Dr. Peter Leoni, M.D.Petaluma, CA · $566 in drug and device payments (2025) · Telehealth ·
(707) 781-6926 Dr. Richard Altieri Perez, M.D.Petaluma, CA · No drug or device payments recorded (2025) ·
(707) 763-3967 Dr. Sapoora Manshaii, MDPetaluma, CA · No drug or device payments recorded (2025) ·
(707) 778-1111 Dr. Sherwin Abdoli, MDPetaluma, CA · $2,255 in drug and device payments (2025) · Telehealth ·
(707) 303-1709 Dr. Carolyn Lobo, M.D.,Pinole, CA · No drug or device payments recorded (2025) ·
(510) 724-3768 Dr. Gary Gadwood, M.D.Pinole, CA · No drug or device payments recorded (2025) ·
(510) 724-0481 Dr. Stuart Gourlay, MDPinole, CA · No drug or device payments recorded (2025) ·
(510) 724-5714 Dr. Abigail Zinn, DOPismo Beach, CA · No drug or device payments recorded (2025) · Telehealth ·
(805) 834-8975 Dr. Clara Zhu, MDPismo Beach, CA · $984 in drug and device payments (2025) ·
(805) 546-0411 Dr. Clifford Gelman, MDPismo Beach, CA · $18 in drug and device payments (2025) · Telehealth ·
(805) 546-0411 Dr. Edwin Hayashi, M.D.Pismo Beach, CA · $1,297 in drug and device payments (2025) · Telehealth ·
(805) 546-0411 Dr. Farah Mansuri, M.D.Pismo Beach, CA · No drug or device payments recorded (2025) · Telehealth ·
(805) 546-0411 Dr. Mary Cardoza, M.D.Pittsburg, CA · $28 in drug and device payments (2025) ·
(925) 427-0203 Dr. Michael Tran, M.D.Placentia, CA · $1,709 in drug and device payments (2025) ·
(657) 216-6090 Dr. Obaida Batal, MDPlacentia, CA · $125 in drug and device payments (2025) ·
(714) 823-3668 Dr. Randall Cornateanu, M.D.Placentia, CA · $170 in drug and device payments (2025) ·
(657) 216-6090 Dr. Richard Stewardson, MDPlacentia, CA · No drug or device payments recorded (2025) ·
(714) 577-9090 Dr. Robin Cole, M.D.Placentia, CA · No drug or device payments recorded (2025) ·
(714) 203-1500 Dr. Delandy Mcconnell, D.O.Placerville, CA · $156 in drug and device payments (2025) · Telehealth ·
(530) 626-3682 Dr. John Lee, MDPlacerville, CA · $8,692 in drug and device payments (2025) ·
(530) 626-3682 Dr. Richard Detwiler, M.D.Placerville, CA · No drug or device payments recorded (2025) ·
(530) 626-3682 Dr. Robert Kissling, M.D.Placerville, CA · No drug or device payments recorded (2025) ·
(909) 213-0806 Dr. Robin Locke, M.D.Placerville, CA · No drug or device payments recorded (2025) ·
(530) 626-3682 Dr. Ying Tan, M.D.Placerville, CA · $515 in drug and device payments (2025) ·
(530) 626-3682 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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