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Marc Roy Blackman, M.D.

NPI 1629281852ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Washington, DC

Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) in Washington, District of Columbia, licensed in MD, with an NPI issued in May 2007.

Overview

NPI1629281852
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorYes
NPI issuedMay 7, 2007
Last updated in NPPESJan 14, 2008

Specialties and licenses

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Oct 9, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 10, 2026No match—
New York OMIG · Nov 10, 2026No match—
Ohio Medicaid · Nov 10, 2026No match—
Pennsylvania Medicheck · Nov 10, 2026No match—
Washington HCA · Nov 10, 2026No match—

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

Medicare

Enrollment (PECOS)Not in the public enrollment file of Oct 1, 2026

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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