Skip to content

John Michael Tinjum, M.D.

NPI 1093953366ActiveIndividual· Internal Medicine· Moorhead, MN

Internal Medicine (M.D.) in Moorhead, Minnesota, trained at Creighton University School of Medicine (class of 2007). Their prescriptions cost Medicare Part D more than their services did: $1,287,082 for 14,325 claims, against $94,015 paid for services in 2024.

Overview

NPI1093953366
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJan 26, 2009
Last updated in NPPESMar 16, 2016

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X59995MN
Internal Medicine207R00000X12400ND

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 - Internal Medicine (MN); Practitioner - Internal Medicine (ND)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients705
Services billed1,764 across 29 procedure codes
Paid by Medicare$94,015

Part D prescriptions in 2024

Prescriptions (claims)14,325 · 33,181 30-day fills
Patients967
Total drug cost$1,287,082
Generic share89% of claims

Medicare sources and data years

Education and affiliations

Medical schoolCreighton University School of Medicine
Graduation year2007
Medicare specialtyInternal Medicine

Medical group

Hospital affiliations

Other facilities

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 Moorhead

All Internal Medicine providers in Minnesota →