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David B. Williams, MD

NPI 1922186816ActiveIndividual· Internal Medicine, Cardiovascular Disease· Vallejo, CA

Internal Medicine, Cardiovascular Disease (MD) in Vallejo, California, licensed in CA, with an NPI issued in November 2006. Enrolled in Medicare as order and referring only - internal medicine. A record with the same name and state is on the OIG exclusion list; it carries no NPI, so check it before acting.

Overview

NPI1922186816
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedNov 1, 2006
Last updated in NPPESJul 8, 2007

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Cardiovascular Disease Primary207RC0000XG17557CA

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 + stateDavid L. Williams · Podiatry1128b14Dec 9, 1996Pasadena, 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 Order and Referring Only - Internal Medicine (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

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