Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Katie Gerrish, SLP

Speech-Language Pathologist in Waterville, ME · enumerated 2012.

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

National Provider Identifier

1639425598

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Registry record

Entity type Individual (Type 1)

Name Katie Gerrish

Credential SLP

Sex Female

Practice address 155 Kennedy Memorial Dr, Waterville, ME, 04901

Phone (207) 872-5775

Fax (207) 872-6116

Enumeration date Jul 30, 2012

Last updated in NPPES Jul 30, 2012

Taxonomy & licenses

235Z00000X Speech-Language Pathologist Speech, Language and Hearing Service Providers · License ST2187 (ME) Primary

SLP · Speech-Language Pathologist: A licensed clinician treating speech, language, and swallowing disorders. About the SLP credential

Other identifiers

Identifier	Type	State	Issuer
ST2187	Other	ME	TEMPORARY SPEECH LANGUAGE PATHOLOGIST LICENSE

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

How do I verify Katie Gerrish's NPI record?

Cross-check NPI 1639425598 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1639425598 active?

Yes, as of the latest NPPES snapshot, NPI 1639425598 is active (record last updated 2012-07-30).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-07-30.