Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. John Michael Tinjum, M.D.

Q: What is the NPI number for John Tinjum?

The National Provider Identifier (NPI) for John Tinjum is 1093953366, a Type 1 (individual) record in the CMS NPPES registry.

Internal Medicine Physician in Moorhead, MN · enumerated 2009 · practices at Sanford Medical Center Fargo.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1093953366

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Dr. John Michael Tinjum

Credential M.D.

Sex Male

Practice address 4000 28th Ave S, Moorhead, MN, 56560

Phone (701) 234-3261

Fax (701) 417-6802

Enumeration date Jan 26, 2009

Last updated in NPPES Mar 16, 2016

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 59995 (MN) Primary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 12400 (ND) Secondary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
81347	Medicaid	ND	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for John Tinjum?

The National Provider Identifier (NPI) for John Tinjum is 1093953366, a Type 1 (individual) record in the CMS NPPES registry.

Where does John Tinjum practice?

The practice location on file with NPPES is in Moorhead, MN. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-03-16.