Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Heidi S Alessi, RN FNP C

Q: What is the NPI number for Heidi Alessi?

The National Provider Identifier (NPI) for Heidi Alessi is 1326169657, a Type 1 (individual) record in the CMS NPPES registry.

Pediatric Registered Nurse in Prescott Valley, AZ · enumerated 2007.

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

National Provider Identifier

1326169657

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Registry record

Entity type Individual (Type 1)

Name Mrs. Heidi S Alessi

Credential RN FNP C

Sex Female

Practice address 3051 N Windsong Dr, Prescott Valley, AZ, 86314

Phone (928) 772-3336

Fax (928) 775-0021

Enumeration date Apr 3, 2007

Last updated in NPPES Apr 30, 2013

Taxonomy & licenses

163WP0200X Pediatric Registered Nurse Nursing Service Providers · License RN093850 (AZ) Primary

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License AP2615 (AZ) Secondary

Other identifiers

Identifier	Type	State	Issuer
209531	Medicaid	AZ	-

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 Heidi Alessi practice?

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

What is the NPI number for Heidi Alessi?

The National Provider Identifier (NPI) for Heidi Alessi is 1326169657, 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 2013-04-30.