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

Aja-Amina J Chinnell-Mateen, MA, LMHC, MHP

Mental Health Counselor in Des Moines, WA · enumerated 2019.

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

National Provider Identifier

1972076123

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Registry record

Entity type Individual (Type 1)

Name Aja-Amina J Chinnell-Mateen

Credential MA, LMHC, MHP

Sex Female

Practice address Des Moines, WA, 98198

Phone (253) 833-7444

Enumeration date Jan 9, 2019

Last updated in NPPES Feb 14, 2022

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

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers Primary

Other identifiers

Identifier	Type	State	Issuer
2123402	Medicaid	WA	-

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 Aja-Amina Chinnell-Mateen practice?

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

What is the NPI number for Aja-Amina Chinnell-Mateen?

The National Provider Identifier (NPI) for Aja-Amina Chinnell-Mateen is 1972076123, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-02-14.