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Joanne Michelle Kahlenberg, M.D., PH.D

NPI 1477766897ActiveIndividual· Internal Medicine, Rheumatology· Ann Arbor, MI

Internal Medicine, Rheumatology (M.D., PH.D) in Ann Arbor, Michigan, trained at Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University (class of 2006). Their prescriptions cost Medicare Part D more than their services did: $846,255 for 498 claims, against $7,549 paid for services in 2024. Genentech, Inc. was the largest of 6 companies reporting payments in 2025, $16,124 in all, mostly consulting fees.

Overview

NPI1477766897
StatusActive
Entity typeIndividual
CredentialM.D., PH.D
Sole proprietorNo
NPI issuedMay 8, 2007
Last updated in NPPESJul 7, 2011

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Rheumatology Primary207RR0500X4301093324MI
Internal Medicine207R00000X57.011503OH
Internal Medicine207R00000X4301093324MI

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 - Rheumatology (MI)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients75
Services billed138 across 15 procedure codes
Paid by Medicare$7,549

Part D prescriptions in 2024

Prescriptions (claims)498 · 937 30-day fills
Patients86
Total drug cost$846,255
Generic share69% of claims

Medicare sources and data years

Education and affiliations

Medical schoolClvlnd Clinic Lerner College of Med of Case Wstn Rsv University
Graduation year2006
Medicare specialtyRheumatology
Secondary specialtiesInternal Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$16,124 · 9 payments from 6 companies
  • 2024$11,166 · 7 payments from 5 companies

Top paying companies in 2025

What the 2025 payments were for

  • Consulting Fee$14,966 · 7 payments
  • Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$1,000 · 1 payment
  • Food and Beverage$158.00 · 1 payment

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

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