ARIANNA MONTEJANO NP
NPI 1366879751
Nurse Practitioner - Pediatrics in Phoenix, AZ

Active since October 01, 2013PECOS Enrolled
1919 E THOMAS RD, PHOENIX, AZ 85016(602) 933-1060(602) 933-8982 Get Directions Write a Review

NPPES record last updated: October 22, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 7, 2025, Sep 16, 2024, Jul 21, 2022 and 2 more (5 updates tracked since 2017).

About Arianna Montejano Np NPPES

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

ARIANNA MONTEJANO NP (NPI 1366879751) is an individual pediatrics provider in Phoenix, Arizona, licensed in Arizona (AP9848) and active in the NPI registry since October 2013. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1366879751
Entity TypeIndividualFemale
Primary Taxonomy363LP0200X
Provider Legal NameARIANNA MONTEJANOCredential: NP
Location Address1919 E THOMAS RDPhoenix, AZ 85016-7710
Mailing Address2108 E Thomas Rd Ste 130Phoenix, AZ 85016-0008 · (602) 933-3124
Fax(602) 933-8982
Sole ProprietorNo
Enumeration DateOctober 1, 2013
Last NPPES UpdateOctober 22, 20255 updates tracked since enumeration
NPPES CertifiedOctober 22, 2025
✔ NPI 1366879751 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · PediatricsPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0200X
License✔ Licensed in AZ · AP9848
1919 E THOMAS RD, Phoenix, AZ 85016

Other Identifiers 1

Medicaid235682AZ

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Arianna Montejano Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Arianna Montejano reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pediatrics
1919 E THOMAS RD
Phoenix, AZ 85016
  • Reassigned Medicare billing, Arizona enrollment
  • 1,416 clinicians in this Medicare group
Pediatrics
82934 CIVIC CENTER DR
Indio, CA 92201
  • Reassigned Medicare billing, California enrollment
  • 2,584 clinicians in this Medicare group

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 85016 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.

Hospitalist
1919 E THOMAS RD
PHOENIX, AZ 85016
Dietitian, Registered
1919 E THOMAS RD
PHOENIX, AZ 85016
Anesthesiology (Pediatric Anesthesiology)
1919 E THOMAS RD
PHOENIX, AZ 85016
Social Worker (Clinical)
1919 E THOMAS RD
PHOENIX, AZ 85016
Anesthesiology (Pediatric Anesthesiology)
1919 E THOMAS RD
PHOENIX, AZ 85016
Pediatrics
1919 E THOMAS RD
PHOENIX, AZ 85016
Pediatrics
1919 E THOMAS RD
PHOENIX, AZ 85016
Pediatrics (Pediatric Gastroenterology)
1919 E THOMAS RD
PHOENIX, AZ 85016

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 Arianna Montejano's NPI number?

The NPI number for Arianna Montejano is 1366879751. It was assigned to this individual provider in the NPPES registry on October 1, 2013.

Where is Arianna Montejano located?

Arianna Montejano practices at 1919 E Thomas Rd, Phoenix, AZ 85016. The listed phone number is (602) 933-1060.

What is Arianna Montejano's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.

Is Arianna Montejano enrolled in Medicare?

Yes. Arianna Montejano is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Arianna Montejano's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Arianna Montejano reassigns Medicare benefits to 2 organizations: Phoenix Children's Hospital (Phoenix, AZ) and Faculty Physicians And Surgeons Of Llusm (Indio, CA). 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 Arianna Montejano's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Arianna Montejano was last updated on October 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.