Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Geoffrey Mack, MOT

Occupational Therapist in Brighton, CO · enumerated 2015.

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

National Provider Identifier

1063896876

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Registry record

Entity type Individual (Type 1)

Name Geoffrey Mack

Credential MOT

Sex Male

Practice address 2025 E Egbert St, Brighton, CO, 80601

Phone (855) 840-7257

Enumeration date Jul 13, 2015

Last updated in NPPES Jul 10, 2019

Taxonomy & licenses

225X00000X Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License OT.0003547 (CO) 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.

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Frequently asked questions

What is the NPI number for Geoffrey Mack?

The National Provider Identifier (NPI) for Geoffrey Mack is 1063896876, a Type 1 (individual) record in the CMS NPPES registry.

Where does Geoffrey Mack practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-07-10.