Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. James P Marquardt, D.C.

Chiropractor in Missoula, MT · enumerated 2007.

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

National Provider Identifier

1255451738

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Registry record

Entity type Individual (Type 1)

Name Dr. James P Marquardt

Credential D.C.

Sex Male

Practice address 1203 Mount Ave, Missoula, MT, 59801

Phone (406) 543-5251

Fax (406) 543-5251

Enumeration date Mar 30, 2007

Last updated in NPPES Nov 12, 2014

Taxonomy & licenses

111N00000X Chiropractor Chiropractic Providers · License 880 (MT) Primary

DC · Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders. About the DC credential

Other identifiers

Identifier	Type	State	Issuer
1932264496	Other	MT	MARQUARDT CHIROPRACTIC

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 James Marquardt?

The National Provider Identifier (NPI) for James Marquardt is 1255451738, a Type 1 (individual) record in the CMS NPPES registry.

Where does James Marquardt practice?

The practice location on file with NPPES is in Missoula, MT. 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 2014-11-12.