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

Andrew Kalt Nielsen, OTR/L

Occupational Therapist in St George, UT · enumerated 2022.

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

National Provider Identifier

1033840681

Verified

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Registry record

Entity type Individual (Type 1)

Name Andrew Kalt Nielsen

Credential OTR/L

Sex Male

Practice address St George, UT, 84770

Phone (435) 673-3553

Enumeration date Jun 23, 2022

Last updated in NPPES Jun 23, 2022

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

Taxonomy & licenses

225XP0200X Pediatric Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 11565326-4201 (UT) Secondary

225X00000X Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 11565326-4201 (UT) 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 Andrew Nielsen practice?

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

What is the NPI number for Andrew Nielsen?

The National Provider Identifier (NPI) for Andrew Nielsen is 1033840681, 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 2022-06-23.