MS. CAROL LOUISE IRWIN LICSW
NPI 1174786792
Social Worker in Walla Walla, WA
About Ms. Carol Louise Irwin Licsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. CAROL LOUISE IRWIN LICSW (NPI 1174786792) is an individual social worker in Walla Walla, Washington and active in the NPI registry since July 2008. She is enrolled in Medicare PECOS, maintains a secondary practice location in Walla Walla, and is a graduate of Other (2008).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ms. Carol Louise Irwin Licsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Carol Irwin reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Walla Walla, WA 99362
- Reassigned Medicare billing, Washington enrollment
Walla Walla, WA 99362
- Reassigned Medicare billing, Washington enrollment
- 10 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WALLA WALLA, WA 99362
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Carol Irwin's NPI number?
The NPI number for Carol Irwin is 1174786792. It was assigned to this individual provider in the NPPES registry on July 3, 2008.
Where is Carol Irwin located?
Carol Irwin practices at 2330 Eastgate St Ste 140, Walla Walla, WA 99362. The listed phone number is (509) 593-8122.
What is Carol Irwin's specialty?
The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.
Is Carol Irwin enrolled in Medicare?
Yes. Carol Irwin is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Carol Irwin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Carol Irwin reassigns Medicare benefits to 2 organizations: (Walla Walla, WA) and Anchor Point Counseling PLLC (Walla Walla, WA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Carol Irwin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Carol Irwin accept?
Health plans from Moda Health Plan, Inc., Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Carol Irwin as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Carol Irwin was last updated on October 12, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Ms. Carol Louise Irwin, LICSW · NPI 1174786792
Social Worker provider in Walla Walla, Washington. Individual provider, active in the CMS NPPES registry since July 3, 2008.
## Identity
- **NPI:** 1174786792 (Entity type: Individual)
- **Enumerated:** July 3, 2008
- **Primary specialty:** Social Worker · taxonomy 104100000X
- **Sole proprietor:** No
## Practice location
- **Address:** 2330 EASTGATE ST STE 140, Walla Walla, WA 99362
- **Phone:** (509) 593-8122 · **Fax:** (509) 769-5221
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): (NPI 1487002622, Walla Walla, WA); Anchor Point Counseling PLLC (NPI 1235584103, Walla Walla, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2008
## Record status
- **NPPES last updated:** October 12, 2018
- **Other identifiers:** Other LW60811024 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1174786792) · Data from the CMS NPPES public registry.