Registry data as of Aug 27, 2026

Brett Mason

Physician Assistant · Gilbert, AZ

Brett Mason is a physician assistant with a practice address in Gilbert, Arizona, and NPI 1285087759, issued on Jul 19, 2016. Check the license with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1285087759
Name
Brett Mason
Primary taxonomy
Physician Assistant 363A00000X
Practice location
3420 S Mercy RD Ste 200, Gilbert, AZ 85297
Phone
(480) 909-3788
Enumerated
Jul 19, 2016
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 3420 S Mercy RD Ste 200

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Emily Crisler-Winarta, PA-C, ATCSurgical Physician Assistant1811562275
  2. Nicole D'Apice, PA-CPhysician Assistant1851608152
  3. Alexander Friedl, PA-CPhysician Assistant1285328161
  4. Afzal Khan, M.D.Family Medicine Physician1669768305
  5. Tatum Komenda, PA-CPhysician Assistant1457085565
  6. John Matthews, M.D.Orthopaedic Surgery Physician1972982130

Verify Brett Mason in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arizona board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Arizona license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

51% fewer Medicare Part D claims than the average physician assistant in 2024

408 Medicare Part D claims for 151 beneficiaries, against an average of 832 among the 95,030 providers of this specialty who prescribed in Part D. 286 claims were for opioids.

  1. Brett Mason408
  2. Specialty average832

Most prescribed

  1. Oxycodone Hcl154 claims
  2. Tramadol Hcl123 claims
  3. Celecoxib59 claims
  4. Meloxicam21 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

One hospital or facility affiliation

  1. Sjhmc Physician ServicesGilbert, AZ

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

224 physician assistant records list a Gilbert practice address

They are 224 of the 5,802 NPPES records with a Gilbert practice address, and 3,428 physician assistant records in Arizona.

Other physician assistant records in Arizona

  1. Lindsey Abajian, PA-CPhoenix, AZ1306125620
  2. Allison Abbey, PA-CCottonwood, AZ1871257246
  3. Carley Abbott, PA-CChandler, AZ1649959792
  4. Delmas Abbott, PA-CPrescott, AZ1437452836
  5. Sarah Abbott, PAPhoenix, AZ1609969666
  6. Kristen Abel, PA-CMesa, AZ1346037181
  7. Abigail Abellana, PA-CScottsdale, AZ1629931670
  8. Heidi Abersfeller, PA CCasa Grande, AZ1356379754
  9. Collin Abitz, PAGlendale, AZ1376342386
  10. Colleen AbramsChandler, AZ1407285448

Common questions

What is Brett Mason's NPI number?

Brett Mason's National Provider Identifier (NPI) is 1285087759, issued on Jul 19, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Brett Mason located?

The NPPES record lists a practice address at 3420 S Mercy RD Ste 200, Gilbert, AZ, 85297. Phone: (480) 909-3788. Providers update this record themselves, so call before visiting.

How can I verify Brett Mason's license?

Search the Arizona board that licenses this profession; the NPPES record confirms identity only.

How much does Brett Mason prescribe under Medicare Part D?

In 2024, Brett Mason had 408 Medicare Part D claims for 151 beneficiaries; the average among physician assistant prescribers was 832. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.