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Margaret Liu, M.D.

NPI 1033384748ActiveIndividual· Ophthalmology· San Francisco, CA

Ophthalmology (M.D.) in San Francisco, California, trained at State University of New York Downstate Medical Center (class of 2007). In 2024 Medicare paid $218,500 for 439 patients, and Part D covered 1,501 of their prescriptions, 42% of them generic. Alcon Vision LLC was the largest of 8 companies reporting payments in 2025, $524.29 in all, mostly food and beverage.

Overview

NPI1033384748
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedApr 23, 2008
Last updated in NPPESJan 22, 2024
Certified by providerJan 22, 2024

Specialties and licenses

TaxonomyCodeLicenseState
Ophthalmology Primary207W00000XA119575CA

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 - Ophthalmology (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients439
Services billed1,657 across 33 procedure codes
Paid by Medicare$218,500

Part D prescriptions in 2024

Prescriptions (claims)1,501 · 2,697 30-day fills
Patients362
Total drug cost$248,726
Generic share42% of claims

Medicare sources and data years

Education and affiliations

Medical schoolState University of New York Downstate Medical Center
Graduation year2007
Medicare specialtyOphthalmology

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$524.29 · 21 payments from 8 companies
  • 2024$593.84 · 23 payments from 10 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$524.29 · 21 payments

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

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