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Mary M. Liao, O.D.

NPI 1992858526ActiveIndividual· Optometrist· Oxnard, CA

Optometrist (O.D.) in Oxnard, California, trained at Southern College of Optometry (class of 2000). In 2024 Medicare paid $91,690 for 769 patients, and Part D covered 298 of their prescriptions, 43% of them generic. Tarsus Pharmaceuticals, Inc. reported $141.65 in payments in 2025, mostly food and beverage.

Overview

NPI1992858526
StatusActive
Entity typeIndividual
CredentialO.D.
Sole proprietorNo
NPI issuedJan 18, 2007
Last updated in NPPESMay 15, 2024
Certified by providerMay 15, 2024

Specialties and licenses

TaxonomyCodeLicenseState
Optometrist Primary152W00000XOPT11515-TLGCA

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 (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients769
Services billed1,469 across 18 procedure codes
Paid by Medicare$91,690

Part D prescriptions in 2024

Prescriptions (claims)298 · 554 30-day fills
Patients115
Total drug cost$98,201
Generic share43% of claims

Medicare sources and data years

Education and affiliations

Medical schoolSouthern College of Optometry
Graduation year2000
Medicare specialtyOptometry

Medical group

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$141.65 · 2 payments from 1 company
  • 2024$169.73 · 3 payments from 3 companies

Top paying companies in 2025

CompanyAmountPayments
Tarsus Pharmaceuticals, Inc.$141.652

What the 2025 payments were for

  • Food and Beverage$141.65 · 2 payments

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

Other optometrists in Oxnard

All 44 optometrists in Oxnard · All optometrists in California