NELIDA R. AGUIRRE LCSW
NPI 1346186665
Social Worker in Chicago, IL
About Nelida R. Aguirre Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NELIDA R. AGUIRRE LCSW (NPI 1346186665) is an individual social worker in Chicago, Illinois, licensed in Illinois (149.031631) and active in the NPI registry since April 2026. She is enrolled in Medicare PECOS and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Nelida R. Aguirre Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Nelida Aguirre reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Chicago, IL 60611
- Reassigned Medicare billing, Illinois enrollment
- 9 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.
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 Nelida Aguirre's NPI number?
The NPI number for Nelida Aguirre is 1346186665. It was assigned to this individual provider in the NPPES registry on April 28, 2026.
Where is Nelida Aguirre located?
Nelida Aguirre practices at 721 N. Lasalle Dr., Chicago, IL 60654. The listed phone number is (312) 655-7725.
What is Nelida Aguirre's specialty?
The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.
Is Nelida Aguirre enrolled in Medicare?
Yes. Nelida Aguirre is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Nelida Aguirre's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nelida Aguirre reassigns Medicare benefits to Catholic Charities Of The Archdiocese Of Chicago (Chicago, IL). 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 Nelida Aguirre'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 Nelida Aguirre was last updated on April 28, 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.
# Nelida R. Aguirre, LCSW · NPI 1346186665
Social Worker provider in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since April 28, 2026.
## Identity
- **NPI:** 1346186665 (Entity type: Individual)
- **Enumerated:** April 28, 2026
- **Primary specialty:** Social Worker · taxonomy 104100000X
- **State license:** 149.031631 (Illinois)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 721 N. LASALLE DR., Chicago, IL 60654
- **Phone:** (312) 655-7725
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Catholic Charities Of The Archdiocese Of Chicago (NPI 1669583001, Chicago, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** April 28, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1346186665) · Data from the CMS NPPES public registry.