Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Travis Retzlaff

Registered Respiratory Therapist in Sioux Falls, SD · enumerated 2026.

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

National Provider Identifier

1922954585

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Registry record

Entity type Individual (Type 1)

Name Travis Retzlaff

Sex Male

Practice address 2501 W 22nd St, Sioux Falls, SD, 57105

Phone (605) 336-3230

Enumeration date Mar 6, 2026

Last updated in NPPES Mar 6, 2026

Taxonomy & licenses

227900000X Registered Respiratory Therapist Respiratory, Developmental, Rehabilitative and Restorative Service 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 Travis Retzlaff practice?

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

What is the NPI number for Travis Retzlaff?

The National Provider Identifier (NPI) for Travis Retzlaff is 1922954585, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-03-06.