Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Colleen Dee Williamson

Home Health Aide in Piedmont, SD · enumerated 2021.

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

National Provider Identifier

1366012387

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Registry record

Entity type Individual (Type 1)

Name Colleen Dee Williamson

Sex Female

Practice address 13263 Horseshoe Ct, Piedmont, SD, 57769

Phone (605) 381-0483

Enumeration date Jun 30, 2021

Last updated in NPPES Jun 30, 2021

Taxonomy & licenses

374U00000X Home Health Aide Nursing Service Related Providers Primary

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

Where does Colleen Williamson practice?

The practice location on file with NPPES is in Piedmont, SD. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Colleen Williamson?

The National Provider Identifier (NPI) for Colleen Williamson is 1366012387, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-06-30.