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Judith P. Knox, M.D.

NPI 1467550772ActiveIndividual· Dermatology· Springfield, IL

Dermatology (M.D.) in Springfield, Illinois, licensed in IL, with an NPI issued in September 2006. Their prescriptions cost Medicare Part D more than their services did: $296,915 for 995 claims, against $188,514 paid for services in 2024. Abbvie Inc. was the largest of 4 companies reporting payments in 2025, $157.34 in all, mostly food and beverage.

Overview

NPI1467550772
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedSep 20, 2006
Last updated in NPPESMay 21, 2020
Certified by providerMay 21, 2020

Specialties and licenses

TaxonomyCodeLicenseState
Dermatology Primary207N00000X036-086319IL

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 - Dermatology (IL)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients844
Services billed5,311 across 56 procedure codes
Paid by Medicare$188,514

Part D prescriptions in 2024

Prescriptions (claims)995 · 1,124 30-day fills
Patients511
Total drug cost$296,915
Generic share94% of claims

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$157.34 · 6 payments from 4 companies
  • 2024$290.81 · 9 payments from 3 companies

Top paying companies in 2025

CompanyAmountPayments
Abbvie Inc.$87.563
Organon LLC$32.181
Novartis Pharmaceuticals Corporation$24.091
Amgen Inc.$13.511

What the 2025 payments were for

  • Food and Beverage$157.34 · 6 payments

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

Other Dermatology providers in Springfield

All Dermatology providers in Illinois →