Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

MRS. CATALINA RUIZ APN
NPI 1366426553
Nurse Practitioner in Chicago, IL

Active since December 01, 2005
3924 W FULLERTON AVE, CHICAGO, IL 60647(773) 276-2229(773) 276-2190 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Mrs. Catalina Ruiz Apn NPPES

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

MRS. CATALINA RUIZ APN (NPI 1366426553) is an individual nurse practitioner in Chicago, Illinois and active in the NPI registry since December 2005.

NPPES Registry Identity

NPI1366426553
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMRS. CATALINA RUIZCredential: APN
Location Address3924 W FULLERTON AVEChicago, IL 60647-2228
Mailing Address1431 N Western Ave, Suite #406Chicago, IL 60622-1797 · (312) 633-5841 · Fax (312) 491-5020
Fax(773) 276-2190
Sole ProprietorNo
Enumeration DateDecember 1, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1366426553 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

3924 W FULLERTON AVE, Chicago, IL 60647

Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Family Medicine
3924 W FULLERTON AVE
CHICAGO, IL 60647
Family Medicine
3924 W FULLERTON AVE
CHICAGO, IL 60647
Family Medicine
3924 W FULLERTON AVE
CHICAGO, IL 60647
Clinic/Center (Federally Qualified Health Center (FQHC))
3924 W FULLERTON AVE
CHICAGO, IL 60647
Clinical Medical Laboratory
3924 W FULLERTON AVE
CHICAGO, IL 60647
Physician Assistant
3924 W FULLERTON AVE
CHICAGO, IL 60647
Nurse Practitioner (Family)
3924 W FULLERTON AVE
CHICAGO, IL 60647

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 Catalina Ruiz's NPI number?

The NPI number for Catalina Ruiz is 1366426553. It was assigned to this individual provider in the NPPES registry on December 1, 2005.

Where is Catalina Ruiz located?

Catalina Ruiz practices at 3924 W Fullerton Ave, Chicago, IL 60647. The listed phone number is (773) 276-2229.

What is Catalina Ruiz's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

When was this NPI record last updated?

The NPPES record for Catalina Ruiz was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.