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Christopher Timothy Isham, MD

NPI 1265921753ActiveIndividual· Internal Medicine· Ferndale, MI

Internal Medicine (MD) in Ferndale, Michigan, trained at Wayne State University School of Medicine (class of 2017). Their prescriptions cost Medicare Part D more than their services did: $156,878 for 1,186 claims, against $24,607 paid for services in 2024.

Overview

NPI1265921753
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorYes
NPI issuedMay 9, 2018
Last updated in NPPESFeb 15, 2024
Certified by providerFeb 15, 2024

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X4301506885MI

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 - Internal Medicine (MI)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients93
Services billed346 across 25 procedure codes
Paid by Medicare$24,607

Part D prescriptions in 2024

Prescriptions (claims)1,186 · 2,167 30-day fills
Patients123
Total drug cost$156,878
Generic share79% of claims

Medicare sources and data years

Education and affiliations

Medical schoolWayne State University School of Medicine
Graduation year2017
Medicare specialtyInternal Medicine

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

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

Other Internal Medicine providers in Ferndale

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