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

David Mark Warren, OTR/L

Q: What is the NPI number for David Warren?

The National Provider Identifier (NPI) for David Warren is 1033951108, a Type 1 (individual) record in the CMS NPPES registry.

Occupational Therapist in Asheville, NC · enumerated 2024.

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

National Provider Identifier

1033951108

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Registry record

Entity type Individual (Type 1)

Name David Mark Warren

Credential OTR/L

Sex Male

Practice address Asheville, NC, 28804

Phone (828) 575-0201

Enumeration date Jun 10, 2024

Last updated in NPPES Jun 10, 2024

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

Taxonomy & licenses

225X00000X Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 14535 (NC) 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 David Warren?

The National Provider Identifier (NPI) for David Warren is 1033951108, a Type 1 (individual) record in the CMS NPPES registry.

Where does David Warren practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-06-10.