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DR. MARIO-LUIS ISLAS M.D.
NPI 1447206966
Family Medicine in Tempe, AZ

Active since May 26, 2006PECOS EnrolledAccepts Medicare Assignment
451 E UNIVERSITY DR, TEMPE, AZ 85281(480) 965-3349(480) 965-2269 Get Directions Write a Review

NPPES record last updated: March 9, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Mario-luis Islas M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARIO-LUIS ISLAS M.D. (NPI 1447206966) is an individual family medicine provider in Tempe, Arizona, licensed in Arizona (27281) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Arizona College Of Medicine (1996).

NPPES Registry Identity

NPI1447206966
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. MARIO-LUIS ISLASCredential: M.D.
Location Address451 E UNIVERSITY DRTempe, AZ 85281-5390
Mailing AddressPo Box 872104Tempe, AZ 85287-2104 · (809) 657-0054
Phone(480) 965-3349
Fax(480) 965-2269
Sole ProprietorNo
Medical School CMSUniversity Of Arizona College Of MedicineGraduated 1996
Enumeration DateMay 26, 2006
Last NPPES UpdateMarch 9, 2022
NPPES CertifiedMarch 9, 2022
✔ NPI 1447206966 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in AZ · 27281
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
451 E UNIVERSITY DR, Tempe, AZ 85281
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Antidote Health Plan of Arizona, Inc..Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Mario-luis Islas M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9830142181
PECOS Enrollment IDI20250325001873
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Mario-luis Islas reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Valle Del Sol, Inc.
6.3 mi
Community/Behavioral Health
334 W 10TH PL STE 100
Mesa, AZ 85201
  • Reassigned Medicare billing, Arizona enrollment
  • 75 clinicians in this Medicare group
NPI 1356522684 (602) 258-6797
Salt River Pima-Maricopa Indian Community
6.5 mi
Community/Behavioral Health
10901 E MCDOWELL RD
Scottsdale, AZ 85256
  • Reassigned Medicare billing, Texas enrollment
  • 147 clinicians in this Medicare group
NPI 1497000293 (480) 278-7742

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85281 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$85.89 typical visit price
range $55.44 – $168.60
Typical copayment $21.47 (range $13.86 – $42.15)
Most-billed visit code 99203
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. EVA YIHUI WANG FNP
Nurse Practitioner (Family)
451 E UNIVERSITY DR
TEMPE, AZ 85281
Maricopa County (480) 965-3349
DENISE I BEIGHE M.D.
Internal Medicine
451 E UNIVERSITY DR
TEMPE, AZ 85281
Maricopa County (480) 965-3346
DR. THOMAS A. ECCLES MD
Pediatrics (Adolescent Medicine)
451 E UNIVERSITY DR
TEMPE, AZ 85281
Maricopa County (480) 965-3349
MARY K HARTY ANP
Nurse Practitioner (Adult Health)
451 E UNIVERSITY DR
TEMPE, AZ 85281
Maricopa County (480) 965-3346
DEBORAH R GARLAND M.D.
Family Medicine
451 E UNIVERSITY DR
TEMPE, AZ 85281
Maricopa County (480) 965-3346
JASON MATTHEW TARNO DO
Hospitalist
451 E UNIVERSITY DR
TEMPE, AZ 85281
Maricopa County (480) 965-3349
DR. JEFFREY W GAVER MD
Internal Medicine
451 E UNIVERSITY DR
TEMPE, AZ 85281
Maricopa County (480) 965-3346
JOANNE R HIRSCH M.D.
Internal Medicine
451 E UNIVERSITY DR
TEMPE, AZ 85281
Maricopa County (480) 965-3346

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mario-luis Islas's NPI number?

The NPI number for Mario-luis Islas is 1447206966. It was assigned to this individual provider in the NPPES registry on May 26, 2006.

Where is Mario-luis Islas located?

Mario-luis Islas practices at 451 E University Dr, Tempe, AZ 85281. The listed phone number is (480) 965-3349.

What is Mario-luis Islas's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Mario-luis Islas enrolled in Medicare?

Yes. Mario-luis Islas is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Mario-luis Islas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mario-luis Islas reassigns Medicare benefits to 2 organizations: Valle Del Sol, Inc. (Mesa, AZ) and Salt River Pima-Maricopa Indian Community (Scottsdale, AZ). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mario-luis Islas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mario-luis Islas accept?

Health plans from Antidote Health Plan of Arizona, Inc. list Mario-luis Islas as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mario-luis Islas was last updated on March 9, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.