MARIAH DESIREE ISLAS NP
NPI 1659267078
Nurse Practitioner - Primary Care in Tucson, AZ

Active since June 13, 2025PECOS EnrolledAccepts Medicare Assignment
9525 E OLD SPANISH TRL, TUCSON, AZ 85748(773) 531-8069 Get Directions Write a Review

NPPES record last updated: June 13, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mariah Desiree Islas Np NPPES

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

MARIAH DESIREE ISLAS NP (NPI 1659267078) is an individual primary care provider in Tucson, Arizona, licensed in Arizona (228691) and active in the NPI registry since June 2025. She is enrolled in Medicare PECOS, maintains a secondary practice location in Vail, and is a graduate of Other (2025).

NPPES Registry Identity

NPI1659267078
Entity TypeIndividualFemale
Primary Taxonomy363LP2300X
Provider Legal NameMARIAH DESIREE ISLASCredential: NP
Location Address9525 E OLD SPANISH TRLTucson, AZ 85748-6631
Mailing Address11921 E Ryscott CirVail, AZ 85641-0259 · (520) 289-6441
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateJune 13, 2025
NPPES CertifiedJune 13, 2025
NPI 1659267078 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · Primary CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP2300X
License Licensed in AZ · 228691
9525 E OLD SPANISH TRL, Tucson, AZ 85748

Secondary Practice Location 1

Location 111921 E Ryscott CirVail, AZ 85641-0259 · Phone (520) 289-6441

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mariah Desiree Islas Np 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 ID5294238416
PECOS Enrollment IDI20250912002891
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85748 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 2

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

Clinic/Center (Urgent Care)
9525 E OLD SPANISH TRL, STE. 101
TUCSON, AZ 85748
Nurse Practitioner (Family)
9525 E OLD SPANISH TRL, SUITE 101
TUCSON, AZ 85748

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 Mariah Islas's NPI number?

The NPI number for Mariah Islas is 1659267078. It was assigned to this individual provider in the NPPES registry on June 13, 2025.

Where is Mariah Islas located?

Mariah Islas practices at 9525 E Old Spanish Trl, Tucson, AZ 85748. The listed phone number is (773) 531-8069.

What is Mariah Islas's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Primary Care, with taxonomy code 363LP2300X.

Is Mariah Islas enrolled in Medicare?

Yes. Mariah 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.

When was this NPI record last updated?

The NPPES record for Mariah Islas was last updated on June 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.