Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Brett Mason

Q: What is the NPI number for Brett Mason?

The National Provider Identifier (NPI) for Brett Mason is 1285087759, a Type 1 (individual) record in the CMS NPPES registry.

Surgical Physician Assistant in Gilbert, AZ · enumerated 2016.

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

National Provider Identifier

1285087759

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Registry record

Entity type Individual (Type 1)

Name Brett Mason

Sex Male

Practice address 3420 S Mercy Rd Ste 200, Gilbert, AZ, 85297

Phone (480) 909-3788

Fax (480) 728-8191

Enumeration date Jul 19, 2016

Last updated in NPPES Nov 12, 2024

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 6378 (AZ) Secondary

363AS0400X Surgical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 6378 (AZ) 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 Brett Mason practice?

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

What is the NPI number for Brett Mason?

The National Provider Identifier (NPI) for Brett Mason is 1285087759, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Craig Weinstein Orthopaedic Surgery Physician · Gilbert, AZ NPI 1619957008 Christopher Rubio Surgical Physician Assistant · Gilbert, AZ NPI 1548577067 Nicole D'Apice Surgical Physician Assistant · Gilbert, AZ NPI 1851608152 Afzal Khan Sports Medicine (Family Medicine) Physician · Gilbert, AZ NPI 1669768305 Nicholas Wischmeier Orthopaedic Surgery Physician · Gilbert, AZ NPI 1700148731 Kirsten Sumner Orthopaedic Hand Surgery Physician · Gilbert, AZ NPI 1578981601 John Matthews Sports Medicine (Orthopaedic Surgery) Physician · Gilbert, AZ NPI 1972982130 Joseph Nelson Orthopaedic Surgery Physician · Gilbert, AZ NPI 1427438365

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-11-12.