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Thomas A. Gibbs, MD

NPI 1427058023ActiveIndividual· Internal Medicine· Winchester, VA

Internal Medicine (MD) in Winchester, Virginia, trained at University of Oklahoma College of Medicine (class of 1995). Their prescriptions cost Medicare Part D more than their services did: $711,366 for 7,229 claims, against $155,833 paid for services in 2024. Merck Sharp & Dohme LLC was the largest of 2 companies reporting payments in 2025, $60.96 in all, mostly food and beverage.

Overview

NPI1427058023
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJul 26, 2005
Last updated in NPPESOct 25, 2024
Certified by providerOct 25, 2024

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X101058256VA

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 (VA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients609
Services billed4,523 across 78 procedure codes
Paid by Medicare$155,833

Part D prescriptions in 2024

Prescriptions (claims)7,229 · 17,550 30-day fills
Patients672
Total drug cost$711,366
Generic share88% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Oklahoma College of Medicine
Graduation year1995
Medicare specialtyInternal Medicine

Medical groups

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$60.96 · 3 payments from 2 companies

Top paying companies in 2025

CompanyAmountPayments
Merck Sharp & Dohme LLC$42.202
Lilly USA, LLC$18.761

What the 2025 payments were for

  • Food and Beverage$60.96 · 3 payments

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

Other internal medicine physicians in Winchester

All 93 internal medicine physicians in Winchester · All internal medicine physicians in Virginia