Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Thomas N Lorentzsen, OD

Optometrist in Moorhead, MN · enumerated 2005.

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

National Provider Identifier

1083608228

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Registry record

Entity type Individual (Type 1)

Name Thomas N Lorentzsen

Credential OD

Sex Male

Practice address 420 Center Ave, Suite 41, Moorhead, MN, 56560

Phone (218) 233-1624

Fax (218) 233-2058

Enumeration date Sep 2, 2005

Last updated in NPPES Sep 27, 2012

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License 1532 (MN) Primary

OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses. About the OD credential

Other identifiers

Identifier	Type	State	Issuer
60297	Medicaid	ND	-
P01050061	Other	MN	RR MEDICARE
986523300	Medicaid	MN	-

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.

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Frequently asked questions

What is the NPI number for Thomas Lorentzsen?

The National Provider Identifier (NPI) for Thomas Lorentzsen is 1083608228, a Type 1 (individual) record in the CMS NPPES registry.

Where does Thomas Lorentzsen 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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-09-27.