NPPES file of Aug 9, 2026

Maria Alejandra Massey, MD

Anesthesiology Physician · Tucson, AZ

Maria Alejandra Massey, MD is an anesthesiology physician with a practice address in Tucson, Arizona, and NPI 1518544188, issued on Mar 28, 2021. Check the license (Arizona 75815, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1518544188
Name
Maria Alejandra Massey
Credential
MD
Primary taxonomy
Anesthesiology Physician 207L00000X
License numbers
75815 AZ
125.078825 IL
Self-reported in NPPES; status is on the state search
Practice location
1501 N Campbell Ave, Tucson, AZ 85724
Phone
(520) 626-7141
Enumerated
Mar 28, 2021
Record last updated
May 27, 2025
Fax
(520) 626-6943
Medicare enrollment
Enrolled (PECOS I20250529003241); accepts Medicare assignment
Medical or professional school
University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2022
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest anesthesiology physician records → All 1,473 in Arizona → Look up another NPI →

Also registered at 1501 N Campbell Ave

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

  1. Alexa Aaronson, MDPediatrics Physician1427793652
  2. Mohammed Abbas, MDOrthopaedic Surgery Physician1003437872
  3. Josephine Acuna, M.DEmergency Medicine Physician1710325287
  4. Rodney Adam, MDInfectious Disease Physician1548249485
  5. Matthew Adams, D.O.Infectious Disease Physician1578941720
  6. Elana Addis, M.DObstetrics & Gynecology Physician1730150582

Verify Maria Alejandra Massey in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 75815    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

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

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Bills Medicare through one group practice

  1. Banner-University Medical GroupTucson, AZ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Maria Alejandra Massey among 1,473 anesthesiology physician records in Arizona

Maria Alejandra Massey, MD is one of 1,473 anesthesiology physician records with a practice address in Arizona. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 94% of them.

  • NPI issued2021 · 94% of these records are older, 4% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2022 · median 2003 among the 984 with a school on file
  • Record last updated2025 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

298 anesthesiology physician records list a practice address in Tucson

They are 298 of the 18,788 NPPES records with a practice address in Tucson, and 1,473 anesthesiology physician records in Arizona.

All 1,473 in Arizona → Every provider in Tucson → Anesthesiology Physician nationwide →

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Steven Barker, MD, PHDTucson, AZ 857241811969660
  2. Robert Bastron, MDTucson, AZ 857241720050404
  3. Patrick Boyle, M.D.Tucson, AZ 857241093787277
  4. Peter Felbeck, M.D.Tucson, AZ 857241578679692
  5. Daniel Ferry, MDTucson, AZ 857241326012956
  6. Martha Fielder, MDTucson, AZ 857241093788903
  7. Brenda Gentz, MDTucson, AZ 857241326011131
  8. Vladimir Groysman, MDTucson, AZ 857241285608083

Common questions

What is Maria Alejandra Massey, MD's NPI number?

Maria Alejandra Massey, MD's National Provider Identifier (NPI) is 1518544188, issued on Mar 28, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Maria Alejandra Massey, MD located?

The NPPES record lists a practice address at 1501 N Campbell Ave, Tucson, AZ, 85724. Phone: (520) 626-7141. Providers update this record themselves, so call before visiting.

How can I verify Maria Alejandra Massey, MD's license?

NPPES lists Arizona license number 75815, 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.

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.