Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ms. Carol Louise Irwin, LICSW
Social Worker in Walla Walla, WA · enumerated 2008.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1174786792
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Ms. Carol Louise Irwin
Credential LICSW
Sex Female
Practice address 2330 Eastgate St Ste 140, Walla Walla, WA, 99362
Phone (509) 593-8122
Fax (509) 769-5221
Enumeration date Jul 3, 2008
Last updated in NPPES Oct 12, 2018
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| LW60811024 | Other | WA | LICSW |
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.
Frequently asked questions
What is the NPI number for Carol Irwin?
The National Provider Identifier (NPI) for Carol Irwin is 1174786792, a Type 1 (individual) record in the CMS NPPES registry.
Where does Carol Irwin practice?
The practice location on file with NPPES is in Walla Walla, WA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-10-12.