NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Allison Mehgan Diaz

Speech-Language Assistant in East Wenatchee, WA · enumerated 2023.

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

National Provider Identifier

1992582654

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Allison Mehgan Diaz
Sex Female
Practice address 600 N James Ave, East Wenatchee, WA, 98802
Phone (509) 884-7115
Enumeration date Sep 14, 2023
Last updated in NPPES Sep 14, 2023

Taxonomy & licenses

2355S0801X Speech-Language Assistant Speech, Language and Hearing Service Providers 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 Allison Diaz?
The National Provider Identifier (NPI) for Allison Diaz is 1992582654, a Type 1 (individual) record in the CMS NPPES registry.
Where does Allison Diaz practice?
The practice location on file with NPPES is in East Wenatchee, WA. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-09-14.