Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Gary Detweiler, PA-C

Physician Assistant in Sparta, MI · enumerated 2006.

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

National Provider Identifier

1396797924

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Registry record

Entity type Individual (Type 1)

Name Gary Detweiler

Credential PA-C

Sex Male

Practice address 475 S State St, Sparta, MI, 49345

Phone (616) 685-1300

Fax (616) 887-5989

Enumeration date May 16, 2006

Last updated in NPPES Jun 26, 2009

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 5601002961 (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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Gary Detweiler?

The National Provider Identifier (NPI) for Gary Detweiler is 1396797924, a Type 1 (individual) record in the CMS NPPES registry.

Where does Gary Detweiler practice?

The practice location on file with NPPES is in Sparta, 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 2009-06-26.