Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Alex Jeffrey Warren, OTR/L

Q: What is the NPI number for Alex Warren?

The National Provider Identifier (NPI) for Alex Warren is 1477082618, a Type 1 (individual) record in the CMS NPPES registry.

Occupational Therapist in Grand Rapids, MN · enumerated 2017.

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

National Provider Identifier

1477082618

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Registry record

Entity type Individual (Type 1)

Name Mr. Alex Jeffrey Warren

Credential OTR/L

Sex Male

Practice address 1714 Sw 3rd Ave, Grand Rapids, MN, 55744

Phone (651) 207-9623

Enumeration date Jun 10, 2017

Last updated in NPPES Jul 21, 2022

Taxonomy & licenses

225X00000X Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 0004663 (CO) Secondary

225X00000X Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 60749556 (WA) Secondary

225X00000X Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 117304 (TX) Secondary

225X00000X Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 10768 (NC) Secondary

225X00000X Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 104944 (MN) 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

What is the NPI number for Alex Warren?

The National Provider Identifier (NPI) for Alex Warren is 1477082618, a Type 1 (individual) record in the CMS NPPES registry.

Where does Alex Warren practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-07-21.