Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Janna Marie Grindley

Physician Assistant in Columbus, NC · enumerated 2021 · practices at Advent Internal Medicine.

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

National Provider Identifier

1407440456

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Registry record

Entity type Individual (Type 1)

Name Janna Marie Grindley

Sex Female

Practice address 11 Sunshine Ln, Columbus, NC, 28722

Phone (828) 859-7659

Enumeration date Feb 21, 2021

Last updated in NPPES Feb 21, 2021

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 001010840 (NC) 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 Janna Grindley?

The National Provider Identifier (NPI) for Janna Grindley is 1407440456, a Type 1 (individual) record in the CMS NPPES registry.

Where does Janna Grindley practice?

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

Other providers at this practice address

Browse all →

Advent Internal Medicine Internal Medicine Physician · Columbus, NC NPI 1770619439 Kelli Adams Family Medicine Physician · Columbus, NC NPI 1992566939

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-02-21.