Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Gary V Marquardt, LLMSW

Clinical Social Worker in Houghton, MI · enumerated 2013.

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

National Provider Identifier

1063847408

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Registry record

Entity type Individual (Type 1)

Name Gary V Marquardt

Credential LLMSW

Sex Male

Practice address 901 W Mem Dr, Houghton, MI, 49931

Phone (906) 482-9404

Enumeration date Sep 4, 2013

Last updated in NPPES Sep 4, 2013

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 6801094712 (MI) Primary

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 Gary Marquardt?

The National Provider Identifier (NPI) for Gary Marquardt is 1063847408, a Type 1 (individual) record in the CMS NPPES registry.

Where does Gary Marquardt practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-09-04.