Corrine Irwin
Speech-Language Pathologist · Lancaster, CA
Corrine Irwin is a speech-language pathologist with a practice address in Lancaster, California, and NPI 1174466122, issued on Apr 13, 2026. Check the license (California SP21828, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Corrine Irwin
- Primary taxonomy
- Speech-Language Pathologist 235Z00000X
- License number
- SP21828 CA
Self-reported in NPPES; status is on the state search - Practice location
- 42909 Flag St, Lancaster, CA 93536
- Phone
- (661) 406-7943
- Enumerated
- Apr 13, 2026
- Record last updated
- Apr 13, 2026
- Entity
- Type 1 · individual
8 nearest speech-language pathologist records → All 13,141 in California → Look up another NPI →
Verify Corrine Irwin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license SP21828Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Corrine Irwin among 13,141 speech-language pathologist records in California
Corrine Irwin is one of 13,141 speech-language pathologist records with a practice address in California. 3% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2026, is newer than 81% of them.
- NPI issued2026 · 81% of these records are older, 0% newer
- In a Medicare fileNo · 3% of these records are
- In the CMS Doctors and Clinicians fileNo · 4% of these records are
- Record last updated2026 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 235Z00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
56 speech-language pathologist records list a practice address in Lancaster
They are 56 of the 4,273 NPPES records with a practice address in Lancaster, and 13,141 speech-language pathologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 13,141 in California → Every provider in Lancaster → Speech-Language Pathologist nationwide →
The 8 speech-language pathologist records with the nearest ZIP codes
- Kelly Alora, M.A., CCC-SLPLancaster, CA 935361053856344
- Patricia Clarke, SLPLancaster, CA 935361770820276
- Bailey Colon, SLPLancaster, CA 935361871238113
- Amanda FelixLancaster, CA 935361437086337
- Christina GoldenLancaster, CA 935361790612695
- Cheryl Gooden, MA/CCC-SLPLancaster, CA 935361952607095
- Nelida JohnsonLancaster, CA 935361639006539
- Alexandra KocherLancaster, CA 935361700713708
Common questions
What is Corrine Irwin's NPI number?
Corrine Irwin's National Provider Identifier (NPI) is 1174466122, issued on Apr 13, 2026. An NPI identifies a provider in billing; it is not a license.
Where is Corrine Irwin located?
The NPPES record lists a practice address at 42909 Flag St, Lancaster, CA, 93536. Phone: (661) 406-7943. Providers update this record themselves, so call before visiting.
How can I verify Corrine Irwin's license?
NPPES lists California license number SP21828, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.