What is Corrine Irwin's NPI number?

Corrine Irwin's National Provider Identifier (NPI) is 1174466122, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Corrine Irwin's specialty?

Corrine Irwin is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).

Where is Corrine Irwin located?

Corrine Irwin's practice location on file with NPPES is 42909 Flag St, Lancaster, CA 93536-4619.

What is Corrine Irwin's phone number?

The practice phone number listed in the NPPES registry for Corrine Irwin is (661) 406-7943.

Is Corrine Irwin's NPI active?

Yes — Corrine Irwin's NPI (1174466122) is active in the NPPES registry as of the last update on 2026-04-13.

IndividualActive

Corrine Irwin

NPI 1174466122 · Speech-Language Pathologist · Lancaster, CA

Corrine Irwin is a Speech-Language Pathologist provider in Lancaster, CA (NPI 1174466122).

Provider details

NPI number: 1174466122
Entity type: Individual
Primary specialty: Speech-Language PathologistSpeech, Language and Hearing Service Providers
Sex: Female
Sole proprietor: Yes
License: SP21828 (CA)

Specialties & taxonomies

Speech-Language PathologistPrimary235Z00000XLicense SP21828 (CA)
Speech, Language and Hearing Service Providers

Profile Score

Established profile(53/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

42909 Flag St

Lancaster, CA 93536-4619

Phone: (661) 406-7943

Street-level locationGet directions

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Mailing address