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. Michael Ditmars, MDAntioch, CA · No drug or device payments recorded (2025) ·
(925) 757-0800 Dr. Pascal Fuchshuber, MDAntioch, CA · No drug or device payments recorded (2025) ·
(925) 776-7725 Dr. Phillip Polido, M.DAntioch, CA · No drug or device payments recorded (2025) ·
(925) 757-0800 Dr. Tripurari Mishra, M.D.Antioch, CA · $1,177 in drug and device payments (2025) · Telehealth ·
(925) 779-7200 Dr. Lawrence Foster, M.D.Anza, CA · No drug or device payments recorded (2025) ·
(951) 763-4759 Dr. Andrew Sundin, M.D.Apple Valley, CA · No drug or device payments recorded (2025) ·
(909) 712-2764 Dr. Brian Patterson, MD, MPHApple Valley, CA · $329 in drug and device payments (2025) ·
(909) 712-2764 Dr. Chris Okwuosa, M.D.Apple Valley, CA · $127 in drug and device payments (2025) ·
(760) 998-2312 Dr. Ferdinand Rico, MDApple Valley, CA · No drug or device payments recorded (2025) ·
(760) 241-6666 Dr. James Hartleroad, M.D.Apple Valley, CA · No drug or device payments recorded (2025) ·
(760) 242-8900 Dr. Nathan Chung, MDApple Valley, CA · $1,214 in drug and device payments (2025) · Telehealth ·
(760) 247-0333 Dr. Peter Fischl, MALApple Valley, CA · $260 in drug and device payments (2025) ·
(760) 242-0762 Dr. Rakesh Grover, MDApple Valley, CA · $294 in drug and device payments (2025) ·
(760) 242-0375 Dr. Ramanan Umakanthan, MDApple Valley, CA · No drug or device payments recorded (2025) ·
(615) 957-4492 Dr. Rao Daluvoy, MDApple Valley, CA · No drug or device payments recorded (2025) ·
(760) 810-0920 Dr. Tracy Taggart, M.D.Apple Valley, CA · No drug or device payments recorded (2025) ·
(909) 712-2764 Dr. Vincent Ajanwachuku, M.D.Apple Valley, CA · No drug or device payments recorded (2025) ·
(760) 242-8491 Dr. William Rivera, M.DApple Valley, CA · $239 in drug and device payments (2025) ·
(760) 278-9477 Dr. Bruce Orisek, M.D.Aptos, CA · No drug or device payments recorded (2025) ·
(831) 689-0862 Dr. Asok Doraiswamy, M.D.Arcadia, CA · $3,667 in drug and device payments (2025) · Telehealth ·
(626) 600-2094 Dr. Bengt Pehrsson, MDArcadia, CA · No drug or device payments recorded (2025) ·
(626) 445-0600 Dr. Daniel Moon, M.D.Arcadia, CA · $276 in drug and device payments (2025) · Telehealth ·
(626) 600-2094 Dr. Daniel Ybarra, MD, MPHArcadia, CA · $159 in drug and device payments (2025) ·
(626) 600-2094 Dr. Elizabeth Lee, MDArcadia, CA · $251 in drug and device payments (2025) ·
(626) 446-4645 Dr. Jonathan Hwee, MDArcadia, CA · $212 in drug and device payments (2025) ·
(626) 600-2094 Dr. Julius Gee, DOArcadia, CA · No drug or device payments recorded (2025) ·
(626) 230-6582 Dr. Kris Manchandia, M.D.Arcadia, CA · $159 in drug and device payments (2025) ·
(626) 600-2094 Dr. Mathew Cheung, D.O.Arcadia, CA · $385 in drug and device payments (2025) ·
(626) 275-9566 Dr. Noah Swann, M.D.Arcadia, CA · $5,503 in drug and device payments (2025) · Telehealth ·
(626) 600-2094 Dr. Richard Deatsch, M.D.Arcadia, CA · No drug or device payments recorded (2025) ·
(626) 446-4645 Dr. Robert Papadopoulos, M.D.Arcadia, CA · No drug or device payments recorded (2025) ·
(626) 446-4645 Dr. Troy Lamar, MDArcadia, CA · $194 in drug and device payments (2025) · Telehealth ·
(626) 445-0600 Dr. Christopher Myers, DOArcata, CA · No drug or device payments recorded (2025) ·
(707) 825-5000 Dr. Dennis Wilcox, M.D.Arcata, CA · No drug or device payments recorded (2025) ·
(707) 822-2279 Dr. Rakhee Shah, MDArcata, CA · No drug or device payments recorded (2025) ·
(707) 822-2279 Dr. Barton Bradshaw, M.D.Auburn, CA · No drug or device payments recorded (2025) ·
(530) 745-0720 Dr. Jeffrey Jenkins, M.D. Dr. Michael Antonini, M.D.Auburn, CA · No drug or device payments recorded (2025) ·
(530) 745-0720 Dr. Osama Zahriya, MDAuburn, CA · $42,051 in drug and device payments (2025) ·
(530) 823-0701 Dr. Abraham Nisim, MDBakersfield, CA · No drug or device payments recorded (2025) ·
(661) 748-1886 Dr. Aisha Shaheen, MD, MHABakersfield, CA · $43 in drug and device payments (2025) ·
(661) 326-2000 Dr. Amudhan Pugalenthi, M.D.Bakersfield, CA · $1,633 in drug and device payments (2025) ·
(661) 665-0505 Dr. Arpit Patel, M.D.Bakersfield, CA · $2,328 in drug and device payments (2025) ·
(661) 665-0505 Dr. Bhani Chawla-kondalBakersfield, CA · $10,753 in drug and device payments (2025) ·
(661) 326-2000 Dr. Chih Cheng Lee, MDBakersfield, CA · No drug or device payments recorded (2025) ·
(661) 327-9617 Dr. Christopher KruegerBakersfield, CA · $178 in drug and device payments (2025) ·
(661) 326-2000 Dr. Connie Lee, M.D.Bakersfield, CA · $790 in drug and device payments (2025) ·
(661) 637-8720 Dr. Cori Cason, M.D.Bakersfield, CA · No drug or device payments recorded (2025) ·
(877) 524-7373 Dr. Cyrus Moon, MDBakersfield, CA · $372 in drug and device payments (2025) ·
(661) 638-0601 Dr. Debi Thomas, MDBakersfield, CA · $100 in drug and device payments (2025) ·
(661) 241-6700 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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