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Karen M. Blum, APN

NPI 1720419294ActiveIndividual· Clinical Nurse Specialist, Medical-Surgical· Chicago, IL

Clinical Nurse Specialist, Medical-Surgical (APN) in Chicago, Illinois, licensed in IL, with an NPI issued in December 2013. Medicare paid $2,089 for services to 22 patients in 2024. Hollister Incorporated was the largest of 3 companies reporting payments in 2025, $248.89 in all, mostly food and beverage.

Overview

NPI1720419294
StatusActive
Entity typeIndividual
CredentialAPN
Sole proprietorNo
NPI issuedDec 9, 2013
Last updated in NPPESMar 17, 2023
Certified by providerMar 17, 2023

Specialties and licenses

TaxonomyCodeLicenseState
Clinical Nurse Specialist, Medical-Surgical Primary364SM0705X209.001976IL

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)Not in the public enrollment file of Oct 1, 2026
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients22
Services billed30 across 5 procedure codes
Paid by Medicare$2,089

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$248.89 · 6 payments from 3 companies
  • 2024$39.04 · 2 payments from 1 company

Top paying companies in 2025

CompanyAmountPayments
Hollister Incorporated$205.734
Medline Industries LP$22.691
Convatec Inc.$20.471

What the 2025 payments were for

  • Food and Beverage$248.89 · 6 payments

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

Other Clinical Nurse Specialist, Medical-Surgical providers in Chicago

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