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

Claudia Antoinette Massey

Substance Abuse Rehabilitation Facility in Yukon, OK · enumerated 2015.

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

National Provider Identifier

1679938534

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Registry record

Entity type Individual (Type 1)

Name Claudia Antoinette Massey

Sex Female

Practice address Yukon, OK, 73099

Phone (580) 302-2076

Enumeration date Dec 20, 2015

Last updated in NPPES Nov 14, 2022

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

Taxonomy & licenses

324500000X Substance Abuse Rehabilitation Facility Residential Treatment Facilities 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 Claudia Massey?

The National Provider Identifier (NPI) for Claudia Massey is 1679938534, a Type 1 (individual) record in the CMS NPPES registry.

Where does Claudia Massey practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-11-14.