Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Aryon Michelle Nielsen, PA-C

Medical Physician Assistant in Placerville, CA · enumerated 2024.

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

National Provider Identifier

1477369510

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Registry record

Entity type Individual (Type 1)

Name Mrs. Aryon Michelle Nielsen

Credential PA-C

Sex Female

Practice address 1095 Marshall Way, Placerville, CA, 95667

Phone (253) 227-0379

Enumeration date Dec 4, 2024

Last updated in NPPES Dec 7, 2025

Taxonomy & licenses

363AM0700X Medical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License PA65408 (CA) 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 Aryon Nielsen?

The National Provider Identifier (NPI) for Aryon Nielsen is 1477369510, a Type 1 (individual) record in the CMS NPPES registry.

Where does Aryon Nielsen practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-12-07.