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Stephen Kemnele

NPI 1992180806ActiveIndividual· Internal Medicine, Nephrology· Rockford, IL

Internal Medicine, Nephrology with Germane Nephrology Associates, practicing in Rockford, Illinois. In 2024 Medicare paid $250,043 for 553 patients, and Part D covered 1,367 of their prescriptions, 84% of them generic. Opko Pharmaceuticals, LLC was the largest of 9 companies reporting payments in 2025, $520.60 in all, mostly food and beverage. Lists Northwestern Medicine Central Dupage Hospital and 3 other hospitals as hospital affiliations.

Overview

NPI1992180806
StatusActive
Entity typeIndividual
Sole proprietorYes
NPI issuedJul 22, 2015
Last updated in NPPESSep 15, 2022
Certified by providerSep 15, 2022

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Nephrology Primary207RN0300X036154160IL

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 - Nephrology (IL)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients553
Services billed2,906 across 28 procedure codes
Paid by Medicare$250,043

Part D prescriptions in 2024

Prescriptions (claims)1,367 · 2,294 30-day fills
Patients197
Total drug cost$158,926
Generic share84% of claims

Medicare sources and data years

Education and affiliations

Graduation year2005
Medicare specialtyNephrology
TelehealthOffers telehealth

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$520.60 · 26 payments from 9 companies
  • 2024$536.96 · 26 payments from 11 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$416.64 · 20 payments
  • Education$103.96 · 6 payments

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

Other Internal Medicine, Nephrology providers in Rockford

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