Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Alyssa Ellen Appleton, CRNP

Family Nurse Practitioner in Huntsville, AL · enumerated 2023 · practices at Tennessee Valley Ob-Gyn Clinic PC.

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

National Provider Identifier

1821864117

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Registry record

Entity type Individual (Type 1)

Name Alyssa Ellen Appleton

Credential CRNP

Sex Female

Practice address 910 Adams St Se Ste 200, Huntsville, AL, 35801

Phone (256) 455-6512

Enumeration date Nov 28, 2023

Last updated in NPPES Jul 1, 2026

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 1-173489 (AL) 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 Alyssa Appleton practice?

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

What is the NPI number for Alyssa Appleton?

The National Provider Identifier (NPI) for Alyssa Appleton is 1821864117, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-07-01.