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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MS. MARGARET BARRY AGUILAR R.N., F.N.P.
NPI 1871563379
Nurse Practitioner - Family in Chicago, IL

Active since January 25, 2006
5140 N CALIFORNIA AVE, PRE-SURGICAL TESTING, CHICAGO, IL 60625(773) 989-3822(773) 506-0189 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Ms. Margaret Barry Aguilar R.n., F.n.p. NPPES

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

MS. MARGARET BARRY AGUILAR R.N., F.N.P. (NPI 1871563379) is an individual family provider in Chicago, Illinois and active in the NPI registry since January 2006.

NPPES Registry Identity

NPI1871563379
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMS. MARGARET BARRY AGUILARCredential: R.N., F.N.P.
Location Address5140 N CALIFORNIA AVE, PRE-SURGICAL TESTINGChicago, IL 60625-3645
Mailing Address1846 W Belle Plaine Ave, 1 WChicago, IL 60613-1827 · (773) 348-2220
Phone(773) 989-3822
Fax(773) 506-0189
Sole ProprietorNo
Enumeration DateJanuary 25, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1871563379 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
5140 N CALIFORNIA AVE, Chicago, IL 60625
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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.

DR. CHATHUSHKI BANDARA DO
Emergency Medicine
5140 N CALIFORNIA AVE
CHICAGO, IL 60625
Cook County (773) 878-8200
PIERCE MICHAEL PATERAKOS
Internal Medicine
5140 N CALIFORNIA AVE
CHICAGO, IL 60625
Cook County (773) 878-8200
DR. VASEEM QURESHI M.D.
Internal Medicine (Nephrology)
5140 N CALIFORNIA AVE, SUITE 700
CHICAGO, IL 60625
Cook County (773) 784-2101
DR. WASAY HUMAYUN M.D.
Family Medicine
5140 N CALIFORNIA AVE, STE 700
CHICAGO, IL 60625
Cook County (773) 784-2101
DR JOSEPH S KIM DPM
Podiatrist (Foot & Ankle Surgery)
5140 N CALIFORNIA AVE, STE 515
CHICAGO, IL 60625
Cook County (773) 989-1699
DR. MORGAN CLEM DO
Hospitalist
5140 N CALIFORNIA AVE
CHICAGO, IL 60625
Cook County (217) 836-1376
LLOYD QUINN YOUNG
Podiatrist (Foot & Ankle Surgery)
5140 N CALIFORNIA AVE
CHICAGO, IL 60625
Cook County (773) 878-8200
SHANNON SIKKILA N.P.
Nurse Practitioner (Adult Health)
5140 N CALIFORNIA AVE
CHICAGO, IL 60625
Cook County (773) 293-4178

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 Margaret Aguilar's NPI number?

The NPI number for Margaret Aguilar is 1871563379. It was assigned to this individual provider in the NPPES registry on January 25, 2006.

Where is Margaret Aguilar located?

Margaret Aguilar practices at 5140 N California Ave Pre-Surgical Testing, Chicago, IL 60625. The listed phone number is (773) 989-3822.

What is Margaret Aguilar's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

When was this NPI record last updated?

The NPPES record for Margaret Aguilar was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days 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.