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Meggan Mackay, MD

NPI 1164542197ActiveIndividual· Internal Medicine, Rheumatology· Manhasset, NY

Internal Medicine, Rheumatology (MD) in Manhasset, New York, trained at New York Medical College (class of 1991). Part D covered 746 prescriptions written in 2024, 90% of them generic.

Overview

NPI1164542197
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorYes
NPI issuedMar 31, 2007
Last updated in NPPESJul 22, 2008

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Rheumatology Primary207RR0500X196738NY

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 4, 2026No match—
New York OMIG · Nov 4, 2026No match—
Ohio Medicaid · Nov 4, 2026No match—
Pennsylvania Medicheck · Nov 4, 2026No match—
Washington HCA · Nov 4, 2026No match—

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - Rheumatology (NY)

Part D prescriptions in 2024

Prescriptions (claims)746 · 1,067 30-day fills
Patients48
Total drug cost$247,287
Generic share90% of claims

Medicare sources and data years

Education and affiliations

Medical schoolNew York Medical College
Graduation year1991
Medicare specialtyRheumatology

Medical group

Hospital affiliation

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

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