Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Patti Larson, PATTI LARSON

Q: What is the NPI number for Patti Larson?

The National Provider Identifier (NPI) for Patti Larson is 1235439498, a Type 1 (individual) record in the CMS NPPES registry.

Health Educator in Willow Lake, SD · enumerated 2010.

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

National Provider Identifier

1235439498

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Registry record

Entity type Individual (Type 1)

Name Patti Larson

Credential PATTI LARSON

Sex Female

Practice address Willow Lake, SD, 57278

Phone (605) 625-2592

Enumeration date Oct 21, 2010

Last updated in NPPES Oct 21, 2010

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

174H00000X Health Educator Other Service Providers · License 1359 (SD) Primary

174H00000X Health Educator Other Service Providers · License 0297 (SD) 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 is the NPI number for Patti Larson?

The National Provider Identifier (NPI) for Patti Larson is 1235439498, a Type 1 (individual) record in the CMS NPPES registry.

Where does Patti Larson practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-10-21.