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Ann Marie Nienhuis, FNP-BC

NPI 1093144123ActiveIndividual· Nurse Practitioner, Family· Shelby, MI

Nurse Practitioner, Family (FNP-BC) with Mercy Health Partners and 1 other group, practicing in Shelby, Michigan. Part D covered 7,848 prescriptions written in 2024, 86% of them generic. Lists Mercy Health Lakeshore Campus and 1 other hospital as hospital affiliations.

Overview

NPI1093144123
StatusActive
Entity typeIndividual
CredentialFNP-BC
Sole proprietorNo
NPI issuedNov 8, 2013
Last updated in NPPESApr 5, 2024
Certified by providerApr 5, 2024

Specialties and licenses

TaxonomyCodeLicenseState
Nurse Practitioner, Family Primary363LF0000X4704217181MI

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 (MI)

Part D prescriptions in 2024

Prescriptions (claims)7,848 · 16,165 30-day fills
Patients532
Total drug cost$810,023
Generic share86% of claims

Medicare sources and data years

Education and affiliations

Graduation year2013
Medicare specialtyNurse Practitioner

Medical groups

Hospital affiliations

Other facilities

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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