Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Stephanie Althea Seigler, FNP-C

Nurse Practitioner in Harriman, TN · enumerated 2021.

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

National Provider Identifier

1346813888

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Registry record

Entity type Individual (Type 1)

Name Stephanie Althea Seigler

Credential FNP-C

Sex Female

Practice address 8045 Roane Medical Center Dr, Harriman, TN, 37748

Phone (865) 316-1000

Enumeration date Jul 22, 2021

Last updated in NPPES Jul 22, 2021

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 29834 (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

What is the NPI number for Stephanie Seigler?

The National Provider Identifier (NPI) for Stephanie Seigler is 1346813888, a Type 1 (individual) record in the CMS NPPES registry.

Where does Stephanie Seigler practice?

The practice location on file with NPPES is in Harriman, TN. 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 2021-07-22.