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Cassie J. Haak, FNP

NPI 1730465568ActiveIndividual· Nurse Practitioner, Family· Watford City, ND

Nurse Practitioner, Family (FNP) in Watford City, North Dakota, licensed in ND, with an NPI issued in October 2011. Their prescriptions cost Medicare Part D more than their services did: $61,423 for 728 claims, against $5,364 paid for services in 2024. Pfizer Inc. reported $19.68 in payments in 2025, mostly food and beverage.

Overview

NPI1730465568
StatusActive
Entity typeIndividual
CredentialFNP
Sole proprietorNo
NPI issuedOct 25, 2011
Last updated in NPPESMar 17, 2018

Specialties and licenses

TaxonomyCodeLicenseState
Nurse Practitioner, Family Primary363LF0000XR32395ND

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 (ND)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients38
Services billed198 across 19 procedure codes
Paid by Medicare$5,364

Part D prescriptions in 2024

Prescriptions (claims)728 · 1,506 30-day fills
Patients61
Total drug cost$61,423
Generic share85% of claims

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$19.68 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Pfizer Inc.$19.681

What the 2025 payments were for

  • Food and Beverage$19.68 · 1 payment

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

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