Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Brooke M Grindstaff

Nurse Practitioner in Elizabethton, TN · enumerated 2026.

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

National Provider Identifier

1639017783

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Registry record

Entity type Individual (Type 1)

Name Brooke M Grindstaff

Sex Female

Practice address 406 E I St, Elizabethton, TN, 37643

Phone (423) 737-6013

Enumeration date Mar 23, 2026

Last updated in NPPES Mar 26, 2026

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 41562 (TN) 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

Where does Brooke Grindstaff practice?

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

What is the NPI number for Brooke Grindstaff?

The National Provider Identifier (NPI) for Brooke Grindstaff is 1639017783, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-03-26.