Skip to content

Patrick T. Dunlay, DO

NPI 1811004294ActiveIndividual· Internal Medicine· Mason City, IA

Internal Medicine (DO) in Mason City, Iowa, licensed in IA, with an NPI issued in August 2006. Their prescriptions cost Medicare Part D more than their services did: $151,903 for 3,306 claims, against $66,455 paid for services in 2024.

Overview

NPI1811004294
StatusActive
Entity typeIndividual
CredentialDO
Sole proprietorNo
NPI issuedAug 23, 2006
Last updated in NPPESApr 1, 2025
Certified by providerApr 1, 2025

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X02413IA

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 - Internal Medicine (IA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients677
Services billed1,695 across 10 procedure codes
Paid by Medicare$66,455

Part D prescriptions in 2024

Prescriptions (claims)3,306 · 7,643 30-day fills
Patients328
Total drug cost$151,903
Generic share91% of claims

Medicare sources and data years

Industry payments (Open Payments)

None reported for 2025 or 2024.

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

Other Internal Medicine providers in Mason City

All Internal Medicine providers in Iowa →