Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Catherine Colette Martin, BSW

Social Worker in Ellsworth, WI · enumerated 2012.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1003188434

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Ms. Catherine Colette Martin

Credential BSW

Sex Female

Practice address 412 W Kinne St, Ellsworth, WI, 54011

Phone (715) 273-6770

Fax (715) 273-6863

Enumeration date Feb 1, 2012

Last updated in NPPES Feb 1, 2012

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License 2157-120 (WI) Secondary

104100000X Social Worker Behavioral Health & Social Service Providers · License 8966 (MN) Primary

104100000X Social Worker Behavioral Health & Social Service Providers · License 697 (ND) Secondary

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 Catherine Martin?

Catherine Martin is registered in NPPES with the primary taxonomy of Social Worker. 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.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-02-01.