Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Mabel Lorraine Grinnell, D.C.

Chiropractor in Jackson, MI · enumerated 2006.

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

National Provider Identifier

1659392165

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Registry record

Entity type Individual (Type 1)

Name Dr. Mabel Lorraine Grinnell

Credential D.C.

Sex Female

Practice address Jackson, MI, 49201

Phone (517) 782-3345

Fax (517) 783-3791

Enumeration date Jul 21, 2006

Last updated in NPPES May 7, 2012

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

111N00000X Chiropractor Chiropractic Providers · License 2301003065 (MI) 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
142100702	Medicaid	MI	-
95OC85027	Other	MI	BLUE CROSS BLUE SHIELD MI
P83971	Other	MI	BLUE CARE NETWORK MI

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

Where does Mabel Grinnell practice?

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

What is the NPI number for Mabel Grinnell?

The National Provider Identifier (NPI) for Mabel Grinnell is 1659392165, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-05-07.