NPPES file of Aug 9, 2026

Gayle P. Masterson, M.D.

Psychiatry Physician · Tucson, AZ

Gayle P. Masterson, M.D. is a psychiatry physician with a practice address in Tucson, Arizona, and NPI 1063626125, issued on May 9, 2007. Check the license (Arizona 29648, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1063626125
Name
Gayle P. Masterson
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
29648 AZ
Self-reported in NPPES; status is on the state search
Practice location
6280 E Pima St Ste 110, Tucson, AZ 85712
Phone
(520) 229-0585
Enumerated
May 9, 2007
Record last updated
Nov 4, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(520) 298-7693
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 6280 E Pima St Ste 110

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

  1. Michelle BeasleyMental Health Counselor1528927985
  2. Sylvia Castillo, LACCounselor1669266656
  3. David Cato, LCSW, TCT, SEPClinical Social Worker1023523677
  4. Kyli Greenhalgh, LACCounselor1811483647
  5. Timothy Mills, MC/MFT,LPC,EMDR2Counselor1356742456
  6. Daniel Pastor, LPCProfessional Counselor1447792114

Verify Gayle P. Masterson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 29648    Check 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
Open the Arizona license search

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42% fewer Medicare Part D claims than the average psychiatry physician in 2024

582 Medicare Part D claims for 41 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.

  1. Gayle Masterson582
  2. Specialty average1,000

Most prescribed

  1. Clonazepam71 claims
  2. Bupropion Xl60 claims
  3. Duloxetine Hcl35 claims
  4. Gabapentin31 claims
  5. Lamotrigine28 claims
  6. Propranolol Hcl24 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.

266 psychiatry physician records list a practice address in Tucson

They are 266 of the 18,788 NPPES records with a practice address in Tucson, and 942 psychiatry physician records in Arizona.

All 266 in Tucson → All 942 in Arizona → Every provider in Tucson →

Other psychiatry physician records in Arizona

  1. Osama Abulseoud, MDScottsdale, AZ1679654800
  2. Mary AckerleyTucson, AZ1801048012
  3. Nazila Adib, MDScottsdale, AZ1740202613
  4. Adrienne Adler-Neal, MD, PHDScottsdale, AZ1558990127
  5. Jose Agosto, M.D.Mesa, AZ1346323110
  6. Fayyaz Ahmad, M.D.Tempe, AZ1295741791
  7. Mehmud Ahmed, MDPhoenix, AZ1942221635
  8. Nazia Ahmed, M.D.Tucson, AZ1285924258
  9. Nicholas Ahrendt, M.D.Tucson, AZ1043744998
  10. Stephen AielloPrescott, AZ1740852532

Common questions

What is Gayle P. Masterson, M.D.'s NPI number?

Gayle P. Masterson, M.D.'s National Provider Identifier (NPI) is 1063626125, issued on May 9, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Gayle P. Masterson, M.D. located?

The NPPES record lists a practice address at 6280 E Pima St Ste 110, Tucson, AZ, 85712. Phone: (520) 229-0585. Providers update this record themselves, so call before visiting.

How can I verify Gayle P. Masterson, M.D.'s license?

NPPES lists Arizona license number 29648, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Gayle P. Masterson, M.D. prescribe under Medicare Part D?

In 2024, Gayle P. Masterson, M.D. had 582 Medicare Part D claims for 41 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.