Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Patrick Knisley, M.A., SLP

Speech-Language Pathologist in Hawthorne, CA · enumerated 2018.

Data current as of Jul 11, 2026 · sourced from CMS NPPES

National Provider Identifier

1245714716

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Registry record

Entity type Individual (Type 1)

Name Patrick Knisley

Credential M.A., SLP

Sex Male

Practice address 4455 W 117th St, Hawthorne, CA, 90250

Phone (310) 838-1552

Enumeration date Sep 20, 2018

Last updated in NPPES Sep 20, 2018

Taxonomy & licenses

235Z00000X Speech-Language Pathologist Speech, Language and Hearing Service Providers Primary

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

Other identifiers

Identifier	Type	State	Issuer
1942530407	Other	—	MULTI-SPECIALTY GROUP

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 specialty is Patrick Knisley?

Patrick Knisley is registered in NPPES with the primary taxonomy of Speech-Language Pathologist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2018-09-20.