Skip to content

Elizabeth Martin Granger, O.D.

NPI 1730158841ActiveIndividual· Optometrist· Zachary, LA

Optometrist (O.D.) with Williamson Eye Center, practicing in Zachary, Louisiana. Their prescriptions cost Medicare Part D more than their services did: $86,186 for 752 claims, against $18,749 paid for services in 2024. Glaukos Corporation was the largest of 9 companies reporting payments in 2025, $1,059 in all, mostly food and beverage.

Overview

NPI1730158841
StatusActive
Entity typeIndividual
CredentialO.D.
Sole proprietorNo
NPI issuedMar 14, 2006
Last updated in NPPESJan 13, 2009

Specialties and licenses

TaxonomyCodeLicenseState
Optometrist Primary152W00000X975-141TLA

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 - Optometry (LA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients149
Services billed379 across 17 procedure codes
Paid by Medicare$18,749

Part D prescriptions in 2024

Prescriptions (claims)752 · 1,229 30-day fills
Patients287
Total drug cost$86,186
Generic share76% of claims

Medicare sources and data years

Education and affiliations

Graduation year1984
Medicare specialtyOptometry

Medical group

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$1,059 · 20 payments from 9 companies
  • 2024$1,197 · 23 payments from 9 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$1,059 · 20 payments

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

Other Optometrist providers in Zachary

All Optometrist providers in Louisiana →