NPPES file of Aug 9, 2026

Mario-Luis Islas, M.D.

Family Medicine Physician · Tempe, AZ

Mario-Luis Islas, M.D. is a family medicine physician with a practice address in Tempe, Arizona, and NPI 1447206966, issued on May 26, 2006. Check the license (Arizona 27281, 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
1447206966
Name
Mario-Luis Islas
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
27281 AZ
Self-reported in NPPES; status is on the state search
Practice location
451 E University Dr, Tempe, AZ 85281
Phone
(480) 965-3349
Enumerated
May 26, 2006
Record last updated
Mar 9, 2022
Fax
(480) 965-2269
Medicare enrollment
Enrolled (PECOS I20250325001873); accepts Medicare assignment
Medical or professional school
University Of Arizona College Of Medicine, 1996
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 family medicine physician records → All 3,119 in Arizona → Look up another NPI →

Also registered at 451 E University Dr

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

  1. Alan Andresen, M.D.Family Medicine Physician1316908700
  2. Denise Beighe, M.D.Internal Medicine Physician1013978402
  3. Natalya Bilyk, MDFamily Medicine Physician1497830814
  4. Valerie Brodsky, D.O.Internal Medicine Physician1720049117
  5. Harold Cohen, M.D.Emergency Medicine Physician1710948534
  6. Dale Crawford, M.D.Family Medicine Physician1841251675

Verify Mario-Luis Islas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 27281    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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97% fewer Medicare Part D claims than the average family medicine physician in 2024

99 Medicare Part D claims for 14 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Mario-Luis Islas99
  2. Specialty average3,544

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.

Industry payments in 2024: $33.53

2 payments; by number, the most common kind was food and beverage; the largest payer was Impulse Dynamics (USA) Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mario-Luis Islas$33.53
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Salt River Pima-Maricopa Indian CommunityScottsdale, AZ

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

Mario-Luis Islas among 3,119 family medicine physician records in Arizona

Mario-Luis Islas, M.D. is one of 3,119 family medicine physician records with a practice address in Arizona. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.

  • NPI issued2006 · 12% of these records are older, 54% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated1996 · median 2006 among the 1,775 with a school on file
  • Record last updated2022 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

70 family medicine physician records list a practice address in Tempe

They are 70 of the 4,310 NPPES records with a practice address in Tempe, and 3,119 family medicine physician records in Arizona.

All 3,119 in Arizona → Every provider in Tempe → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Amy Alter-Pandya, D.O.Tempe, AZ 852811295777886
  2. Alan Andresen, M.D.Tempe, AZ 852811316908700
  3. Dale Crawford, M.D.Tempe, AZ 852811841251675
  4. James Eitner, DO, MED, FACOFPTempe, AZ 852811497782130
  5. Deborah Garland, M.D.Tempe, AZ 852811093776783
  6. Wendy Orm, M.D.Tempe, AZ 852811275599037
  7. Sanjay Patel, DOTempe, AZ 852811669418331
  8. Nubia Porras, M.D.Tempe, AZ 852811790746915

Common questions

What is Mario-Luis Islas, M.D.'s NPI number?

Mario-Luis Islas, M.D.'s National Provider Identifier (NPI) is 1447206966, issued on May 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mario-Luis Islas, M.D. located?

The NPPES record lists a practice address at 451 E University Dr, Tempe, AZ, 85281. Phone: (480) 965-3349. Providers update this record themselves, so call before visiting.

How can I verify Mario-Luis Islas, M.D.'s license?

NPPES lists Arizona license number 27281, 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 Mario-Luis Islas, M.D. prescribe under Medicare Part D?

In 2024, Mario-Luis Islas, M.D. had 99 Medicare Part D claims for 14 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.