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Charles B. Yang, MD

NPI 1992784250ActiveIndividual· Ophthalmology· Milwaukee, WI

Ophthalmology (MD) in Milwaukee, Wisconsin, trained at University of Chicago, Pritzker School of Medicine (class of 1992). Their prescriptions cost Medicare Part D more than their services did: $440,111 for 3,541 claims, against $142,396 paid for services in 2024. Sight Sciences, Inc. was the largest of 9 companies reporting payments in 2025, $3,281 in all, mostly speaking and faculty fees.

Overview

NPI1992784250
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJan 13, 2006
Last updated in NPPESJun 5, 2023
Certified by providerJun 5, 2023

Specialties and licenses

TaxonomyCodeLicenseState
Ophthalmology Primary207W00000X38671WI

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 4, 2026No match—
New York OMIG · Nov 4, 2026No match—
Ohio Medicaid · Nov 4, 2026No match—
Pennsylvania Medicheck · Nov 4, 2026No match—
Washington HCA · Nov 4, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Ophthalmology (WI)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients531
Services billed1,658 across 45 procedure codes
Paid by Medicare$142,396

Part D prescriptions in 2024

Prescriptions (claims)3,541 · 7,020 30-day fills
Patients626
Total drug cost$440,111
Generic share60% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Chicago, Pritzker School of Medicine
Graduation year1992
Medicare specialtyOphthalmology

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$3,281 · 34 payments from 9 companies
  • 2024$799.18 · 30 payments from 9 companies

Top paying companies in 2025

CompanyAmountPayments
Sight Sciences, Inc.$2,6183
Abbvie Inc.$365.0815
New World Medical,inc.$124.637
Alcon Vision LLC$70.213
Thea Pharma Inc.$33.262

What the 2025 payments were for

  • Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$2,500 · 1 payment
  • Food and Beverage$780.61 · 33 payments

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

Other Ophthalmology providers in Milwaukee

All Ophthalmology providers in Wisconsin →