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Gerald Dean Natzke Jr., DO

NPI 1649239708ActiveIndividual· General Practice· Flint, MI

Opted out of Medicare from January 2014 to January 2028. General Practice (DO) in Flint, Michigan, licensed in MI, with an NPI issued in March 2006. Part D covered 1,159 prescriptions written in 2024, 76% of them generic. Salix Pharmaceuticals, A Division of Bausch Health US, LLC reported $85.05 in payments in 2025, mostly food and beverage.

Overview

NPI1649239708
StatusActive
Entity typeIndividual
CredentialDO
Sole proprietorNo
NPI issuedMar 18, 2006
Last updated in NPPESOct 25, 2007

Specialties and licenses

TaxonomyCodeLicenseState
General Practice Primary208D00000XGN008130MI

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)Not in the public enrollment file of Oct 1, 2026
Opt-outOpted out Jan 1, 2014 – Jan 1, 2028
Can order and referYes

During an opt-out period the provider sees Medicare patients only under private contracts, and Medicare does not pay claims for their services.

Part D prescriptions in 2024

Prescriptions (claims)1,159 · 2,176 30-day fills
Patients172
Total drug cost$90,784
Generic share76% of claims

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$85.05 · 4 payments from 1 company
  • 2024$55.47 · 3 payments from 3 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$85.05 · 4 payments

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

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