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Mary Barker Barton, MD, MPP

NPI 1225971526ActiveIndividual· Internal Medicine· Washington, DC

Internal Medicine (MD, MPP) in Washington, District of Columbia, licensed in DC, with an NPI issued in April 2026. Enrolled in Medicare as practitioner - internal medicine.

Overview

NPI1225971526
StatusActive
Entity typeIndividual
CredentialMD, MPP
Sole proprietorNo
NPI issuedApr 11, 2026
Last updated in NPPESApr 11, 2026
Certified by providerApr 11, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000XMD500003440DC

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)Enrolled Practitioner - Internal Medicine (DC)

Medicare sources and data years

Education and affiliations

Graduation year1991
Medicare specialtyInternal Medicine

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

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

Other Internal Medicine providers in Washington

All Internal Medicine providers in District of Columbia →