Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Erin Melissa Williams

Speech-Language Pathologist in Mill Creek, WA · enumerated 2017 · practices at Integrated Rehabilitation Group, PC.

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

National Provider Identifier

1649707126

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Registry record

Entity type Individual (Type 1)

Name Erin Melissa Williams

Sex Female

Practice address 16030 Bothell Everett Hwy Ste 140, Mill Creek, WA, 98012

Phone (425) 338-9005

Enumeration date May 16, 2017

Last updated in NPPES Jun 14, 2023

Taxonomy & licenses

222Q00000X Developmental Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers Secondary

235Z00000X Speech-Language Pathologist Speech, Language and Hearing Service Providers · License TSLP-5065 (ID) 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.

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Frequently asked questions

What is the NPI number for Erin Williams?

The National Provider Identifier (NPI) for Erin Williams is 1649707126, a Type 1 (individual) record in the CMS NPPES registry.

Where does Erin Williams practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-06-14.