Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Allison Michelle Hillen, MS, RDN

Registered Dietitian in Wasilla, AK · enumerated 2020.

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

National Provider Identifier

1356964662

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Registry record

Entity type Individual (Type 1)

Name Allison Michelle Hillen

Credential MS, RDN

Sex Female

Practice address 1001 S Knik Goose Bay Rd, Wasilla, AK, 99654

Phone (907) 631-7800

Enumeration date May 20, 2020

Last updated in NPPES May 20, 2020

Taxonomy & licenses

133V00000X Registered Dietitian Dietary & Nutritional Service Providers 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 specialty is Allison Hillen?

Allison Hillen is registered in NPPES with the primary taxonomy of Registered Dietitian. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-05-20.