Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Diana Appleton

Counselor in Plymouth, MI · enumerated 2014.

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

National Provider Identifier

1215335039

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Registry record

Entity type Individual (Type 1)

Name Diana Appleton

Sex Female

Practice address Plymouth, MI, 48170

Phone (734) 796-4580

Enumeration date Dec 10, 2014

Last updated in NPPES Nov 16, 2018

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

101Y00000X Counselor Behavioral Health & Social Service Providers · License 6401014997 (MI) 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 Diana Appleton practice?

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

What is the NPI number for Diana Appleton?

The National Provider Identifier (NPI) for Diana Appleton is 1215335039, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-11-16.