GRANT STEPHEN PROIA
NPI 1477392801
Nurse Practitioner - Acute Care in Chandler, AZ

Q: What is Grant Proia's NPI number?

The NPI number for Grant Proia is 1477392801. It was assigned to this individual provider in the NPPES registry on May 24, 2024.

Q: What is Grant Proia's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Q: When was this NPI record last updated?

The NPPES record for Grant Proia was last updated on May 24, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since May 24, 2024PECOS Enrolled

900 N RURAL RD APT 2022, CHANDLER, AZ 85226(508) 688-0767 Get Directions Write a Review

NPPES record last updated: May 24, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Grant Stephen Proia NPPES

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

GRANT STEPHEN PROIA (NPI 1477392801) is an individual acute care provider in Chandler, Arizona, licensed in Arizona (220368) and active in the NPI registry since May 2024. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1477392801

Entity TypeIndividualMale

Primary Taxonomy363LA2100X

Provider Legal NameGRANT STEPHEN PROIA

Location Address900 N RURAL RD APT 2022Chandler, AZ 85226-6094

Mailing Address900 N Rural Rd Apt 2022Chandler, AZ 85226-6094 · (508) 688-0767

Phone(508) 688-0767

Sole ProprietorYes

Enumeration DateMay 24, 2024

NPPES CertifiedMay 24, 2024

✔ NPI 1477392801 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LA2100X

License✔ Licensed in AZ · 220368

900 N RURAL RD APT 2022, Chandler, AZ 85226

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cigna HealthCare 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 (PECOS)

Grant Stephen Proia 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 Reassignment

Medicare enrollment records show Grant Proia reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Neurocritical Care And Stroke Of Arizona PLLC

19 mi

Vascular Neurology

250 E DUNLAP AVE
Phoenix, AZ 85020

Reassigned Medicare billing, Arizona enrollment
28 clinicians in this Medicare group

NPI 1649561580 (602) 396-7491

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 85226 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.

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 Grant Proia's NPI number?

The NPI number for Grant Proia is 1477392801. It was assigned to this individual provider in the NPPES registry on May 24, 2024.

Where is Grant Proia located?

Grant Proia practices at 900 N Rural Rd Apt 2022, Chandler, AZ 85226. The listed phone number is (508) 688-0767.

What is Grant Proia's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Grant Proia enrolled in Medicare?

Yes. Grant Proia is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Grant Proia's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Grant Proia reassigns Medicare benefits to Neurocritical Care And Stroke Of Arizona PLLC (Phoenix, AZ). The 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 Grant Proia's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Grant Proia accept?

Health plans from Cigna HealthCare of Arizona, Inc list Grant Proia 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 Grant Proia was last updated on May 24, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.