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Brenda Lynn Bohnsack, M.D., PHD

NPI 1811199953ActiveIndividual· Ophthalmology· Chicago, IL

Ophthalmology (M.D., PHD) in Chicago, Illinois, trained at Baylor College of Medicine (class of 2006). Part D covered 15 prescriptions written in 2024, 80% of them generic. Abbvie Inc. was the largest of 3 companies reporting payments in 2025, $166.57 in all, mostly food and beverage.

Overview

NPI1811199953
StatusActive
Entity typeIndividual
CredentialM.D., PHD
Sole proprietorNo
NPI issuedJun 1, 2007
Last updated in NPPESJan 8, 2024
Certified by providerJan 8, 2024

Specialties and licenses

TaxonomyCodeLicenseState
Ophthalmology Primary207W00000X4301088483MI
Ophthalmology207W00000X036.152635IL

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 - Ophthalmology (IL)

Part D prescriptions in 2024

Prescriptions (claims)15 · 24 30-day fills
Total drug cost$146.77
Generic share80% of claims

Medicare sources and data years

Education and affiliations

Medical schoolBaylor College of Medicine
Graduation year2006
Medicare specialtyOphthalmology
Secondary specialtiesPediatric Medicine

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$166.57 · 3 payments from 3 companies
  • 2024$111.83 · 2 payments from 2 companies

Top paying companies in 2025

CompanyAmountPayments
Abbvie Inc.$77.771
Coopervision Inc.$54.401
Johnson & Johnson Vision Care, Inc.$34.401

What the 2025 payments were for

  • Food and Beverage$166.57 · 3 payments

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

Other ophthalmologists in Chicago

All 375 ophthalmologists in Chicago · All ophthalmologists in Illinois