Skip to content

Michael Warren Willman, MD

NPI 1427494251ActiveIndividual· Emergency Medicine· Saint Peters, MO

Emergency Medicine (MD) in Saint Peters, Missouri, trained at Saint Louis University School of Medicine (class of 2013). 438 Medicare patients in 2024, $58,214 paid; nearly all of their 245 Part D prescriptions were generic (97%). Abbvie Inc. reported $137.39 in payments in 2025, mostly food and beverage.

Overview

NPI1427494251
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedMay 20, 2013
Last updated in NPPESJul 14, 2025

Specialties and licenses

TaxonomyCodeLicenseState
Emergency Medicine Primary207P00000X2015025824MO

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)Enrolled Practitioner - Emergency Medicine (MO)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients438
Services billed491 across 16 procedure codes
Paid by Medicare$58,214

Part D prescriptions in 2024

Prescriptions (claims)245 · 252 30-day fills
Patients173
Total drug cost$2,620
Generic share97% of claims

Medicare sources and data years

Education and affiliations

Medical schoolSaint Louis University School of Medicine
Graduation year2013
Medicare specialtyEmergency Medicine

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$137.39 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Abbvie Inc.$137.391

What the 2025 payments were for

  • Food and Beverage$137.39 · 1 payment

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

Other emergency medicine physicians in Saint Peters

All emergency medicine physicians in Missouri