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Tammy Jean Gray, O.D.

NPI 1144428491ActiveIndividual· Optometrist· Denver, CO

Optometrist (O.D.) in Denver, Colorado, trained at New England College of Optometry (class of 2006). Their prescriptions cost Medicare Part D more than their services did: $71,581 for 175 claims, against $23,306 paid for services in 2024. Bausch & Lomb Americas Inc. was the largest of 13 companies reporting payments in 2025, $2,036 in all, mostly food and beverage.

Overview

NPI1144428491
StatusActive
Entity typeIndividual
CredentialO.D.
Sole proprietorNo
NPI issuedJul 9, 2007
Last updated in NPPESFeb 10, 2025
Certified by providerFeb 10, 2025

Specialties and licenses

TaxonomyCodeLicenseState
Optometrist Primary152W00000X2558CO
Optometrist152W00000X573NV

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 (CO)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients186
Services billed424 across 20 procedure codes
Paid by Medicare$23,306

Part D prescriptions in 2024

Prescriptions (claims)175 · 286 30-day fills
Patients78
Total drug cost$71,581
Generic share37% of claims

Medicare sources and data years

Education and affiliations

Medical schoolNew England College of Optometry
Graduation year2006
Medicare specialtyOptometry

Medical group

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$2,036 · 47 payments from 13 companies
  • 2024$1,232 · 38 payments from 14 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$2,036 · 47 payments

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

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