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Michael B. Guillory, M.D.

NPI 1912938754ActiveIndividual· Ophthalmology· Longview, TX

Ophthalmology (M.D.) in Longview, Texas, licensed in TX, with an NPI issued in July 2006. Their prescriptions cost Medicare Part D more than their services did: $57,601 for 463 claims, against $33,769 paid for services in 2024. Glaxosmithkline, LLC. reported $17.94 in payments in 2025, mostly food and beverage.

Overview

NPI1912938754
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJul 6, 2006
Last updated in NPPESSep 23, 2010

Specialties and licenses

TaxonomyCodeLicenseState
Ophthalmology Primary207W00000XF2271TX

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)Not in the public enrollment file of Oct 1, 2026
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients367
Services billed533 across 15 procedure codes
Paid by Medicare$33,769

Part D prescriptions in 2024

Prescriptions (claims)463 · 1,092 30-day fills
Patients153
Total drug cost$57,601
Generic share54% of claims

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$17.94 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Glaxosmithkline, LLC.$17.941

What the 2025 payments were for

  • Food and Beverage$17.94 · 1 payment

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

Other Ophthalmology providers in Longview

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