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Thomas A. Tyree, M.D.

NPI 1841251048ActiveIndividual· Internal Medicine· Saint Charles, MO

Internal Medicine (M.D.) in Saint Charles, Missouri, trained at St. Louis College of Physicians and Surgeons (class of 1988). Their prescriptions cost Medicare Part D more than their services did: $831,849 for 13,731 claims, against $54,575 paid for services in 2024. Phathom Pharmaceuticals, Inc. was the largest of 4 companies reporting payments in 2024, $438.72 in all, mostly food and beverage.

Overview

NPI1841251048
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedMar 29, 2006
Last updated in NPPESNov 16, 2020
Certified by providerNov 16, 2020

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000XR2P42MO
Family Medicine, Adult Medicine207QA0505XR2P42MO

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 - Internal Medicine (MO)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients304
Services billed733 across 15 procedure codes
Paid by Medicare$54,575

Part D prescriptions in 2024

Prescriptions (claims)13,731 · 31,987 30-day fills
Patients1,068
Total drug cost$831,849
Generic share89% of claims

Medicare sources and data years

Education and affiliations

Medical schoolSt. Louis College of Physicians and Surgeons
Graduation year1988
Medicare specialtyInternal Medicine
TelehealthOffers telehealth

Medical groups

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2024$438.72 · 4 payments from 4 companies

Top paying companies in 2024

What the 2024 payments were for

  • Food and Beverage$438.72 · 4 payments

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

Other internal medicine physicians in Saint Charles

All 38 internal medicine physicians in Saint Charles · All internal medicine physicians in Missouri