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Marshall Patrick Day, OD

NPI 1588614960ActiveIndividual· Optometrist· Clinton, OK

Optometrist (OD) in Clinton, Oklahoma, trained at Southern College of Optometry (class of 1977). In 2024 Medicare paid $28,767 for 323 patients, and Part D covered 100 of their prescriptions, 56% of them generic. Glaukos Corporation reported $26.06 in payments in 2024, mostly food and beverage.

Overview

NPI1588614960
StatusActive
Entity typeIndividual
CredentialOD
Sole proprietorYes
NPI issuedMay 10, 2006
Last updated in NPPESJun 28, 2019

Specialties and licenses

TaxonomyCodeLicenseState
Optometrist Primary152W00000X918OK

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 - Optometry (OK)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients323
Services billed501 across 14 procedure codes
Paid by Medicare$28,767

Part D prescriptions in 2024

Prescriptions (claims)100 · 176 30-day fills
Patients32
Total drug cost$7,796
Generic share56% of claims

Medicare sources and data years

Education and affiliations

Medical schoolSouthern College of Optometry
Graduation year1977
Medicare specialtyOptometry

Medical group

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2024$26.06 · 1 payment from 1 company

Top paying companies in 2024

CompanyAmountPayments
Glaukos Corporation$26.061

What the 2024 payments were for

  • Food and Beverage$26.06 · 1 payment

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

Other optometrists in Clinton

All optometrists in Oklahoma