Skip to content

Winnie Shih-Wen Chao, O.D.

NPI 1245657188ActiveIndividual· Optometrist· Fremont, CA

Optometrist (O.D.) in Fremont, California, trained at University of California - School of Optometry (class of 2014). Medicare paid $4,840 for services to 30 patients in 2024. Oyster Point Pharma, Inc. reported $18.32 in payments in 2024, mostly food and beverage.

Overview

NPI1245657188
StatusActive
Entity typeIndividual
CredentialO.D.
Sole proprietorNo
NPI issuedMar 27, 2014
Last updated in NPPESApr 26, 2024
Certified by providerApr 26, 2024

Specialties and licenses

TaxonomyCodeLicenseState
Optometrist Primary152W00000XOPT 15025 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 patients30
Services billed64 across 14 procedure codes
Paid by Medicare$4,840

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of California - School of Optometry
Graduation year2014
Medicare specialtyOptometry

Medical group

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2024$18.32 · 1 payment from 1 company

Top paying companies in 2024

CompanyAmountPayments
Oyster Point Pharma, Inc.$18.321

What the 2024 payments were for

  • Food and Beverage$18.32 · 1 payment

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

Other Optometrist providers in Fremont

All Optometrist providers in California →