NPI Lens

James P. Stephen, MD

NPI 1821009911ActiveIndividual· General Practice· Buffalo, NY

General Practice (MD) in Buffalo, New York, trained at State University of New York at Stony Brook, School of Medicine (class of 1999). Enrolled in Medicare as practitioner - internal medicine and practitioner - internal medicine.

Overview

NPI1821009911
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorYes
NPI issuedAug 11, 2006
Last updated in NPPESSep 24, 2026
Certified by providerSep 24, 2026

Specialties and licenses

TaxonomyCodeLicenseState
General Practice Primary208D00000X91017SC
Internal Medicine207R00000X91017SC
Internal Medicine207R00000XMD483005PA
Internal Medicine, Addiction Medicine207RA0401X98023GA
Internal Medicine207R00000X241259-1NY
Internal Medicine207R00000X69500TN

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 (NY); Practitioner - Internal Medicine (PA); Practitioner - Internal Medicine (TN)

Medicare sources and data years

Education and affiliations

Medical schoolState University of New York at Stony Brook, School of Medicine
Graduation year1999
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 General Practice providers in Buffalo

All General Practice providers in New York →