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Tyler Greiner, DO

NPI 1194341032ActiveIndividual· Anesthesiology· Hiawatha, IA

Anesthesiology (DO) in Hiawatha, Iowa, trained at Des Moines University of Osteopathic Medicine and Health Sciences (class of 2020). Medicare paid $27,642 for services to 181 patients in 2024. Merck Sharp & Dohme LLC reported $16.37 in payments in 2025, mostly food and beverage.

Overview

NPI1194341032
StatusActive
Entity typeIndividual
CredentialDO
Sole proprietorNo
NPI issuedJun 16, 2020
Last updated in NPPESApr 18, 2025
Certified by providerApr 18, 2025

Specialties and licenses

TaxonomyCodeLicenseState
Anesthesiology Primary207L00000XDO-06710IA

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 - Anesthesiology (IA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients181
Services billed199 across 49 procedure codes
Paid by Medicare$27,642

Medicare sources and data years

Education and affiliations

Medical schoolDes Moines University of Osteopathic Medicine and Health Sciences
Graduation year2020
Medicare specialtyAnesthesiology

Medical groups

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$16.37 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Merck Sharp & Dohme LLC$16.371

What the 2025 payments were for

  • Food and Beverage$16.37 · 1 payment

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

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