Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Ari Kasprowicz Calhoun, ND

Naturopath in Sacramento, CA · enumerated 2017.

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

National Provider Identifier

1891207908

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Registry record

Entity type Individual (Type 1)

Name Ms. Ari Kasprowicz Calhoun

Credential ND

Sex Female

Practice address 2108 N St, Sacramento, CA, 95816

Phone (858) 252-0891

Fax (858) 869-0393

Enumeration date Oct 30, 2017

Last updated in NPPES Oct 8, 2026

Taxonomy & licenses

175F00000X Naturopath Other Service Providers · License ND937 (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 specialty is Ari Calhoun?

Ari Calhoun is registered in NPPES with the primary taxonomy of Naturopath. 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 2026-10-08.