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. Simone Hyman, MDLa Jolla, CA · $18 in drug and device payments (2025) ·
(858) 657-7000 Dr. Stephanie Hwang, M.D.La Jolla, CA · $373 in drug and device payments (2025) ·
(858) 554-9100 Dr. Sunil Bhoyrul, M.D.La Jolla, CA · $14,387 in drug and device payments (2025) · Telehealth ·
(858) 457-4917 Dr. Theodore Welling, MDLa Jolla, CA · No drug or device payments recorded (2025) · Telehealth ·
(800) 926-8273 Dr. Thomas O'keefeLa Jolla, CA · No drug or device payments recorded (2025) · Telehealth ·
(800) 926-8273 Dr. William Fuller, M.D.La Jolla, CA · $1,428 in drug and device payments (2025) · Telehealth ·
(858) 554-8984 Dr. Carnaghi Martin, M.D.Lake Arrowhead, CA · $25 in drug and device payments (2025) ·
(909) 436-3033 Dr. Kent Skogerson, MDLake Isabella, CA · No drug or device payments recorded (2025) ·
(760) 379-2681 Dr. Donovan Bland, MDLakeport, CA · No drug or device payments recorded (2025) ·
(707) 263-6885 Dr. Keith Donald, M.D.Lakeport, CA · No drug or device payments recorded (2025) ·
(707) 263-4108 Dr. Kraivit Angsupanich, M.D.Lakeport, CA · No drug or device payments recorded (2025) ·
(707) 262-5568 Dr. David Vannix, MDLakewood, CA · $1,751 in drug and device payments (2025) ·
(562) 630-8821 Dr. Navrose Grewal, M.D.Lakewood, CA · $984 in drug and device payments (2025) ·
(562) 531-0019 Dr. Shyam Dahiya, M.D.Lakewood, CA · No drug or device payments recorded (2025) ·
(562) 602-1012 Dr. Carl Orr, MDLa Mesa, CA · No drug or device payments recorded (2025) ·
(619) 462-8100 Dr. Charles Sarosy, M.D.La Mesa, CA · $373 in drug and device payments (2025) ·
(619) 697-1325 Dr. Garo Yerevanian, M.D.La Mesa, CA · No drug or device payments recorded (2025) ·
(619) 644-6750 Dr. Helen Sohn, MDLa Mesa, CA · $1,550 in drug and device payments (2025) · Telehealth ·
(619) 462-8100 Dr. Hong-der Lin, MDLa Mesa, CA · $943 in drug and device payments (2025) ·
(619) 462-8100 Dr. James Johnson, MDLa Mesa, CA · No drug or device payments recorded (2025) ·
(619) 460-6875 Dr. Jeffrey WannaresLa Mesa, CA · $603 in drug and device payments (2025) ·
(619) 698-4471 Dr. Ronald Johnson, MDLa Mesa, CA · No drug or device payments recorded (2025) ·
(619) 462-5900 Dr. David Weil, MDLa Mirada, CA · No drug or device payments recorded (2025) ·
(562) 921-0341 Dr. Renetta Hatcher, MDLa Mirada, CA · No drug or device payments recorded (2025) ·
(562) 902-8500 Dr. Aldo Gamarra, M.D.Lancaster, CA · $295 in drug and device payments (2025) ·
(661) 579-6088 Dr. Alexander Chokler, M.D.Lancaster, CA · No drug or device payments recorded (2025) ·
(661) 726-2398 Dr. Edgardo Barcelona, M.D.Lancaster, CA · No drug or device payments recorded (2025) ·
(661) 945-5984 Dr. Jawad Bermani, M.DLancaster, CA · No drug or device payments recorded (2025) ·
(661) 948-4571 Dr. Jose Gordo, MDLancaster, CA · No drug or device payments recorded (2025) ·
(661) 942-6565 Dr. Rafael Lemus-rangel, M.D.Lancaster, CA · $157 in drug and device payments (2025) ·
(661) 942-8855 Dr. Ramanathpur Murthy, MDLancaster, CA · No drug or device payments recorded (2025) ·
(661) 945-8213 Dr. Richard Hahn, M.D.Lancaster, CA · $132 in drug and device payments (2025) · Telehealth ·
(661) 948-0062 Dr. Sahil Parikh, D.O.Lancaster, CA · $339 in drug and device payments (2025) ·
(661) 729-7100 Dr. Sonam Kapadia, M.D.Lancaster, CA · No drug or device payments recorded (2025) ·
(661) 471-4220 Dr. Stanley Cowen, M.D.Lancaster, CA · No drug or device payments recorded (2025) ·
(818) 709-8161 Dr. Weston Bush, M.D., M.P.H.Lancaster, CA · No drug or device payments recorded (2025) · Telehealth ·
(661) 902-5600 Dr. Alexander Korn, M.D.La Quinta, CA · No drug or device payments recorded (2025) ·
(760) 771-0775 Dr. Samuel Ibrahim, M.D.La Quinta, CA · $118 in drug and device payments (2025) ·
(760) 837-7910 Dr. Benjamin StahlLarkspur, CA · $5,335 in drug and device payments (2025) · Telehealth ·
(415) 924-2515 Dr. James Minnis, M.D.Larkspur, CA · $30 in drug and device payments (2025) · Telehealth ·
(415) 924-2514 Dr. Kin Man Lai, MDLarkspur, CA · No drug or device payments recorded (2025) ·
(415) 927-0666 Dr. Sean Maroney, M.D.Larkspur, CA · $247 in drug and device payments (2025) · Telehealth ·
(415) 924-2515 Dr. Stephanie Maroney, M.D.Larkspur, CA · $173 in drug and device payments (2025) · Telehealth ·
(415) 924-2515 Dr. Stephen Mlawsky, M.D.Larkspur, CA · No drug or device payments recorded (2025) ·
(916) 849-6178 Dr. Andre Maginot, MDLas Alamitos, CA · $381 in drug and device payments (2025) ·
(562) 596-6736 Dr. Howard Taekman, MDLa Selva Beach, CA · No drug or device payments recorded (2025) ·
(831) 724-3003 Dr. Kathryn Wolf, M.D.Lemoore, CA · No drug or device payments recorded (2025) ·
(559) 998-4265 Dr. Robert Jacobson, MDLincoln, CA · No drug or device payments recorded (2025) ·
(916) 645-8887 Dr. Reece Everson, DPMLivermore, CA · $591 in drug and device payments (2025) ·
(925) 640-8846 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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