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Mary-Ellen Cooper, NP

NPI 1689989568ActiveIndividual· Nurse Practitioner· Watertown, MA

Nurse Practitioner (NP) with The Commonwealth of Massachusetts, practicing in Watertown, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $11,757 for 265 claims, against $6,450 paid for services in 2024. Lists Lowell General Hospital as a hospital affiliation.

Overview

NPI1689989568
StatusActive
Entity typeIndividual
CredentialNP
Sole proprietorNo
NPI issuedAug 16, 2010
Last updated in NPPESAug 16, 2010

Specialties and licenses

TaxonomyCodeLicenseState
Nurse Practitioner Primary363L00000XRN216769MA

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 - Nurse Practitioner (MA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients23
Services billed166 across 4 procedure codes
Paid by Medicare$6,450

Part D prescriptions in 2024

Prescriptions (claims)265 · 265 30-day fills
Patients17
Total drug cost$11,757
Generic share91% of claims

Medicare sources and data years

Education and affiliations

Graduation year2009
Medicare specialtyNurse Practitioner

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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