Surgery in Walnut Creek, California
Data updated monthly · Last refresh September 2026
33 Surgery providers practice in Walnut Creek, and 70% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.
Surgery providers in Walnut Creek
Listed alphabetically. 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. Aaron Chin, M.D.Walnut Creek, CA · $90 in drug and device payments (2025) ·
(925) 295-4000 Dr. Alison Savitz, M.D.Walnut Creek, CA · No drug or device payments recorded (2025) ·
(925) 295-7663 Dr. Anita Chiu, M.D.Walnut Creek, CA · $210 in drug and device payments (2025) ·
(925) 295-4110 Dr. Arash Mohebati, MDWalnut Creek, CA · $60 in drug and device payments (2025) · Telehealth ·
(925) 933-0984 Dr. Ben Schwab, M.D.Walnut Creek, CA · $1,847 in drug and device payments (2025) ·
(925) 296-7340 Dr. Brian Chin, MDWalnut Creek, CA · $24 in drug and device payments (2025) ·
(925) 932-6330 Dr. Charleen Kim, M.D.Walnut Creek, CA · $105 in drug and device payments (2025) · Telehealth ·
(925) 933-0984 Dr. Danielle Bertoni, MDWalnut Creek, CA · $2,748 in drug and device payments (2025) · Telehealth ·
(925) 433-8786 Dr. Deborah Kerlin, M.D., F.A.C.S.Walnut Creek, CA · No drug or device payments recorded (2025) ·
(925) 945-7600 Dr. Eugenia Kang, MDWalnut Creek, CA · $57 in drug and device payments (2025) ·
(925) 933-0984 Dr. Gabrielle Levine, MDWalnut Creek, CA · No drug or device payments recorded (2025) ·
(925) 295-4000 Dr. Irene Lo, M.D.Walnut Creek, CA · $23 in drug and device payments (2025) ·
(925) 933-0984 Dr. Isabelle StruveWalnut Creek, CA · $16,976 in drug and device payments (2025) ·
(925) 932-6330 Dr. Jacob Spivak, MDWalnut Creek, CA · No drug or device payments recorded (2025) ·
(925) 295-7854 Dr. James Choi, MDWalnut Creek, CA · $4,686 in drug and device payments (2025) ·
(925) 295-4110 Dr. Jason Moy, MDWalnut Creek, CA · $9,318 in drug and device payments (2025) ·
(925) 932-6330 Dr. John Zink, MDWalnut Creek, CA · $4,428 in drug and device payments (2025) ·
(925) 932-6330 Dr. Kathleen Manning, MDWalnut Creek, CA · $37 in drug and device payments (2025) ·
(925) 295-4110 Dr. Michael Baker, M.D.Walnut Creek, CA · No drug or device payments recorded (2025) ·
(925) 933-0984 Dr. Michael Deboisblanc, MDWalnut Creek, CA · $403 in drug and device payments (2025) ·
(925) 932-6330 Dr. Negar Salehomoum, M.D.Walnut Creek, CA · $8,541 in drug and device payments (2025) ·
(925) 274-9000 Dr. Nicolas Skaric, M.D.Walnut Creek, CA · No drug or device payments recorded (2025) ·
(925) 939-5866 Dr. Peter Mazolewski, M.D.Walnut Creek, CA · $16,996 in drug and device payments (2025) ·
(925) 658-5076 Dr. Rafael Diaz Flores, M.D.Walnut Creek, CA · $14,662 in drug and device payments (2025) ·
(925) 658-3731 Dr. Salvador Guevara, M.D.Walnut Creek, CA · $28,888 in drug and device payments (2025) · Telehealth ·
(925) 391-2220 Dr. Samuel Oommen, M.D.Walnut Creek, CA · No drug or device payments recorded (2025) ·
(925) 296-7340 Dr. Sean Martin, M.D.Walnut Creek, CA · $3,474 in drug and device payments (2025) ·
(925) 932-6330 Dr. Steven Freshman, MDWalnut Creek, CA · No drug or device payments recorded (2025) ·
(925) 295-4000 Dr. Steven Young, M.D.Walnut Creek, CA · $20,828 in drug and device payments (2025) · Telehealth ·
(925) 933-0984 Dr. Teresa Kim, M.D.Walnut Creek, CA · $31 in drug and device payments (2025) ·
(925) 295-7374 Dr. Thomas Macpherson, MDWalnut Creek, CA · No drug or device payments recorded (2025) ·
(925) 295-4000 Dr. Thomas Rolle, MDWalnut Creek, CA · $118 in drug and device payments (2025) ·
(925) 295-4000 Dr. William Greif, MDWalnut Creek, CA · No drug or device payments recorded (2025) ·
(925) 295-4000 Common questions
How many Surgery providers are in Walnut Creek, California?There are 33 Surgery providers with active NPI records practicing in Walnut Creek, according to federal NPPES data refreshed monthly.
How many Surgery providers in Walnut Creek received drug or device company payments?23 of 33 (70%) 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 records 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.
All specialties in Walnut Creek Surgery across California