ALLEGIANCE PATIENT ADVOCACY, LLC
NPI 1366381568
Case Management in Park Ridge, IL

Active since March 25, 2026
222 S PROSPECT AVE, PARK RIDGE, IL 60068(773) 732-0762 Get Directions Write a Review

NPPES record last updated: May 20, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: May 20, 2026, Mar 25, 2026 (2 updates tracked since 2026).

About Allegiance Patient Advocacy, Llc NPPES

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

ALLEGIANCE PATIENT ADVOCACY, LLC (NPI 1366381568) is a healthcare organization registered as a case management in Park Ridge, Illinois and active in the NPI registry since March 2026. The organization lists Margo Marasa, President, as its authorized official.

NPPES Registry Identity

NPI1366381568
Entity TypeOrganization
Primary Taxonomy251B00000X
Legal Business NameALLEGIANCE PATIENT ADVOCACY, LLC
Location Address222 S PROSPECT AVEPark Ridge, IL 60068-4037
Mailing Address222 S Prospect Ave Ste 249Park Ridge, IL 60068-4037 · (773) 732-0762
Organization SubpartNo
Authorized OfficialMargo MarasaPresident · (773) 732-0762
Enumeration DateMarch 25, 2026
Last NPPES UpdateMay 20, 20262 updates tracked since enumeration
NPPES CertifiedMay 20, 2026
✔ NPI 1366381568 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCase ManagementAgencies
Taxonomy Code251B00000X
Definition
An organization that is responsible for providing case management services. The agency provides services which assist an individual in gaining access to needed medical, social, educational, and/or other services. Case management services may be used to locate, coordinate, and monitor necessary appropriate services. It may be used to encourage the use of cost-effective medical care by referrals to appropriate providers and to discourage over utilization of costly services. Case management may also serve to provide necessary coordination of non-medical services such as vocational rehabilitation, education, employment, when the services provided enable the individual to function at the highest level.
Also ListedRegistered Nurse · Case ManagementTaxonomy 163WC0400X
222 S PROSPECT AVE, Park Ridge, IL 60068

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Allegiance Patient Advocacy, Llc 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 Allegiance Patient Advocacy, LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Nurse Practitioner
NPI 1528387990
7835 W RASCHER AVE
Chicago, IL 60656
(773) 936-4123
✔ PECOS✔ Accepts Medicare2.5 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 Allegiance Patient Advocacy, LLC's NPI number?

The NPI number for Allegiance Patient Advocacy, LLC is 1366381568. It was assigned to this organization in the NPPES registry on March 25, 2026.

Where is Allegiance Patient Advocacy, LLC located?

Allegiance Patient Advocacy, LLC is located at 222 S Prospect Ave, Park Ridge, IL 60068. The listed phone number is (773) 732-0762.

What is Allegiance Patient Advocacy, LLC's specialty?

The primary specialty registered for this NPI is Case Management with taxonomy code 251B00000X.

Is Allegiance Patient Advocacy, LLC enrolled in Medicare?

Yes. Allegiance Patient Advocacy, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Allegiance Patient Advocacy, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Nurse Practitioner) reassigns their Medicare billing to Allegiance Patient Advocacy, LLC. 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 Allegiance Patient Advocacy, LLC was last updated on May 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.