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Michael W. Czajka, APRN-CNP

NPI 1912941451ActiveIndividual· Nurse Practitioner, Pediatrics· Saint Louis, MO

Nurse Practitioner, Pediatrics (APRN-CNP) in Saint Louis, Missouri, licensed in MO, with an NPI issued in June 2006. Part D covered 18 prescriptions written in 2024, 78% of them generic. Actelion Pharmaceuticals US, Inc. reported $17.95 in payments in 2025, mostly food and beverage.

Overview

NPI1912941451
StatusActive
Entity typeIndividual
CredentialAPRN-CNP
Sole proprietorNo
NPI issuedJun 15, 2006
Last updated in NPPESOct 29, 2020
Certified by providerOct 29, 2020

Specialties and licenses

TaxonomyCodeLicenseState
Nurse Practitioner, Pediatrics Primary363LP0200X144420MO

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Nov 10, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026No match—
New York OMIG · Nov 11, 2026No match—
Ohio Medicaid · Nov 11, 2026No match—
Pennsylvania Medicheck · Nov 11, 2026No match—
Washington HCA · Nov 11, 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

Part D prescriptions in 2024

Prescriptions (claims)18 · 20 30-day fills
Total drug cost$13,629
Generic share78% of claims

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$17.95 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Actelion Pharmaceuticals US, Inc.$17.951

What the 2025 payments were for

  • Food and Beverage$17.95 · 1 payment

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

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