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Olaf C. Kroneman III, MD

NPI 1316938061ActiveIndividual· Internal Medicine, Nephrology· Berkley, MI

Internal Medicine, Nephrology (MD) in Berkley, Michigan, trained at Michigan State University College of Human Medicine (class of 1977). In 2024 Medicare paid $214,017 for 261 patients, and Part D covered 704 of their prescriptions, 85% of them generic. Ardelyx, Inc. was the largest of 5 companies reporting payments in 2025, $477.10 in all, mostly food and beverage.

Overview

NPI1316938061
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorYes
NPI issuedNov 2, 2005
Last updated in NPPESJul 9, 2013

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Nephrology Primary207RN0300X4301045888MI

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 - Nephrology (MI)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients261
Services billed2,981 across 14 procedure codes
Paid by Medicare$214,017

Part D prescriptions in 2024

Prescriptions (claims)704 · 1,447 30-day fills
Patients122
Total drug cost$264,402
Generic share85% of claims

Medicare sources and data years

Education and affiliations

Medical schoolMichigan State University College of Human Medicine
Graduation year1977
Medicare specialtyNephrology
Secondary specialtiesInternal Medicine

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$477.10 · 7 payments from 5 companies
  • 2024$163.44 · 3 payments from 1 company

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$477.10 · 7 payments

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

Other Internal Medicine, Nephrology providers in Berkley

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