MAGALI HOY-NIELSEN PLLC
NPI 1033679444
Community/Behavioral Health in Oro Valley, AZ

Q: What is Magali Hoy-Nielsen PLLC's NPI number?

The NPI number for Magali Hoy-Nielsen PLLC is 1033679444. It was assigned to this organization in the NPPES registry on March 21, 2019.

Q: What is Magali Hoy-Nielsen PLLC's specialty?

The primary specialty registered for this NPI is Community/Behavioral Health with taxonomy code 251S00000X.

Active since March 21, 2019

2451 E SKIPPING ROCK WAY, ORO VALLEY, AZ 85737(520) 200-2056 Get Directions Write a Review

NPPES record last updated: November 11, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Nov 11, 2024, May 20, 2021, Mar 21, 2019 (3 updates tracked since 2019).

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About Magali Hoy-nielsen Pllc NPPES

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

MAGALI HOY-NIELSEN PLLC (NPI 1033679444) is a healthcare organization registered as a community/behavioral health in Oro Valley, Arizona and active in the NPI registry since March 2019. The organization lists Lilliana Magali Hoy-nielsen, Owner, as its authorized official.

NPPES Registry Identity

NPI1033679444

Entity TypeOrganization

Primary Taxonomy251S00000X

Legal Business NameMAGALI HOY-NIELSEN PLLC

Location Address2451 E SKIPPING ROCK WAYOro Valley, AZ 85737-4604

Mailing Address2451 E Skipping Rock WayOro Valley, AZ 85737-4604 · (520) 200-2056

Phone(520) 200-2056

Organization SubpartNo

Authorized OfficialLilliana Magali Hoy-nielsenOwner · (520) 200-2056

Enumeration DateMarch 21, 2019

Last NPPES UpdateNovember 11, 20243 updates tracked since enumeration

NPPES CertifiedNovember 11, 2024

✔ NPI 1033679444 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCommunity/Behavioral HealthAgencies

Taxonomy Code251S00000X

Definition

A private or public agency usually under local government jurisdiction, responsible for assuring the delivery of community based mental health, intellectual disabilities, substance abuse and/or behavioral health services to individuals with those disabilities. Services may range from companion care, respite, transportation, community integration, crisis intervention and stabilization, supported employment, day support, prevocational services, residential support, therapeutic and supportive consultation, environmental modifications, intensive in-home therapy and day treatment, in addition to traditional mental health and behavioral treatment.

2451 E SKIPPING ROCK WAY, Oro Valley, AZ 85737

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Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Magali Hoy-nielsen Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Magali Hoy-Nielsen PLLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Lilliana Hoy-Nielsen

Clinical Social Worker

NPI 1376056887

3295 W INA RD
Tucson, AZ 85741

(520) 744-4376

✔ PECOS✔ Accepts Medicare7.8 mi

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

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 Magali Hoy-Nielsen PLLC's NPI number?

The NPI number for Magali Hoy-Nielsen PLLC is 1033679444. It was assigned to this organization in the NPPES registry on March 21, 2019.

Where is Magali Hoy-Nielsen PLLC located?

Magali Hoy-Nielsen PLLC is located at 2451 E Skipping Rock Way, Oro Valley, AZ 85737. The listed phone number is (520) 200-2056.

What is Magali Hoy-Nielsen PLLC's specialty?

The primary specialty registered for this NPI is Community/Behavioral Health with taxonomy code 251S00000X.

Is Magali Hoy-Nielsen PLLC enrolled in Medicare?

Yes. Magali Hoy-Nielsen PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Magali Hoy-Nielsen PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Clinical Social Worker) reassigns their Medicare billing to Magali Hoy-Nielsen PLLC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Magali Hoy-Nielsen PLLC was last updated on November 11, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.