Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Michael Ranum

Optometrist in Bismarck, ND · enumerated 2006.

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

National Provider Identifier

1437101888

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Registry record

Entity type Individual (Type 1)

Name Michael Ranum

Sex Male

Practice address 200 S 5th St, Bismarck, ND, 58504

Phone (701) 222-3937

Fax (701) 751-3550

Enumeration date May 16, 2006

Last updated in NPPES Dec 15, 2020

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License 680 (ND) Primary

Other identifiers

Identifier	Type	State	Issuer
1437101888	Other	ND	BCBS
1437101888	Medicaid	MT	-
1437101888	Medicaid	SD	-
1437101888	Other	-	MEDICA
893195	Other	ND	BCBS & NDVSI
P00802816	Other	-	RAILROAD MEDICARE
60672	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 Michael Ranum?

The National Provider Identifier (NPI) for Michael Ranum is 1437101888, a Type 1 (individual) record in the CMS NPPES registry.

Where does Michael Ranum practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-12-15.