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William Boyce Davis, M.D.

NPI 1336145689ActiveIndividual· Family Medicine· Winters, CA

Family Medicine (M.D.) in Winters, California, licensed in CA, with an NPI issued in June 2005. Enrolled in Medicare as practitioner - family practice. A record with the same name and state is on the OIG exclusion list; it carries no NPI, so check it before acting.

Overview

NPI1336145689
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorYes
NPI issuedJun 22, 2005
Last updated in NPPESMar 7, 2023

Specialties and licenses

TaxonomyCodeLicenseState
Family Medicine Primary207Q00000XG54959CA

About license numbers in NPPES

Exclusion screening

Possible match: verify before acting. The OIG list has a record with the same name in California, but that record carries no NPI, so it may be a different person or business.

Matched byName on OIG listExclusion typeExcluded sinceLocation
Name + stateWilliam Scott Davis · General Practice/Fp1156May 27, 1986Los Molinos, CA
Name + stateWilliam Davis · Related1128a1Mar 27, 1984Sacramento, CA
ListResultDetails
HHS-OIG LEIE · Nov 10, 2026Possible (name)See above
North Carolina Medicaid · Nov 11, 2026No match—
New York OMIG · Nov 11, 2026No match—
Ohio Medicaid · Nov 11, 2026No match—
Pennsylvania Medicheck · Nov 11, 2026No match—
Washington HCA · Nov 11, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Family Practice (CA)

Medicare sources and data years

Industry payments (Open Payments)

None reported for 2025 or 2024.

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

Other family medicine physicians in Winters

All family medicine physicians in California