Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Gregory Darr Flynn

Acupuncturist in Battle Creek, MI · enumerated 2009.

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

National Provider Identifier

1821229204

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Registry record

Entity type Individual (Type 1)

Name Gregory Darr Flynn

Sex Male

Practice address 501 Columbia Ave E, Battle Creek, MI, 49014

Phone (269) 962-2836

Fax (269) 788-9312

Enumeration date Aug 3, 2009

Last updated in NPPES Aug 3, 2009

Taxonomy & licenses

171100000X Acupuncturist Other Service Providers · License AC3296 (CA) 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 Gregory Flynn?

The National Provider Identifier (NPI) for Gregory Flynn is 1821229204, a Type 1 (individual) record in the CMS NPPES registry.

Where does Gregory Flynn practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-08-03.