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Charles Derek Cohn, M.D.

NPI 1003044058ActiveIndividual· Ophthalmology· Fredericksburg, TX

Ophthalmology (M.D.) in Fredericksburg, Texas, trained at University of Texas Medical Branch at Galveston (class of 2009). In 2024 Medicare paid $534,950 for 1,588 patients, and Part D covered 1,043 of their prescriptions, 71% of them generic. Rxsight Inc was the largest of 7 companies reporting payments in 2025, $733.68 in all, mostly food and beverage.

Overview

NPI1003044058
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJun 29, 2009
Last updated in NPPESJan 24, 2026
Certified by providerJan 24, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Ophthalmology Primary207W00000XP0187TX

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 (TX)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients1,588
Services billed6,885 across 52 procedure codes
Paid by Medicare$534,950

Part D prescriptions in 2024

Prescriptions (claims)1,043 · 1,884 30-day fills
Patients259
Total drug cost$94,287
Generic share71% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Texas Medical Branch at Galveston
Graduation year2009
Medicare specialtyOphthalmology

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$733.68 · 18 payments from 7 companies
  • 2024$631.86 · 16 payments from 7 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$733.68 · 18 payments

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

Other Ophthalmology providers in Fredericksburg

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