Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

RUBEN CASTILLO DNP, APRN, FNP-BC
NPI 1083518757
Nurse Practitioner - Family in Cicero, IL

Q: What is Ruben Castillo's NPI number?

The NPI number for Ruben Castillo is 1083518757. It was assigned to this individual provider in the NPPES registry on October 6, 2026.

Q: What is Ruben Castillo's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Ruben Castillo was last updated on October 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.

Active since October 06, 2026

5857 W 35TH ST, CICERO, IL 60804(708) 780-1464 Get Directions Write a Review

NPPES record added: October 6, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

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About Ruben Castillo Dnp, Aprn, Fnp-bc NPPES

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

RUBEN CASTILLO DNP, APRN, FNP-BC (NPI 1083518757) is an individual family provider in Cicero, Illinois, licensed in Illinois (209.035500) and active in the NPI registry since October 2026.

NPPES Registry Identity

NPI1083518757

Entity TypeIndividualMale

Primary Taxonomy363LF0000X

Provider Legal NameRUBEN CASTILLOCredential: DNP, APRN, FNP-BC

Location Address5857 W 35TH STCicero, IL 60804-4250

Mailing Address5857 W 35th StCicero, IL 60804-4250 · (708) 780-1464

Phone(708) 780-1464

Sole ProprietorNo

Enumeration DateOctober 6, 2026

NPPES CertifiedOctober 6, 2026

✔ NPI 1083518757 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

License✔ Licensed in IL · 209.035500

5857 W 35TH ST, Cicero, IL 60804

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Other Providers at the Same Location NPPES 4

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

DR. HERIBERTO MARTINEZ M.D.

Internal Medicine

5857 W 35TH ST
CICERO, IL 60804

Cook County (708) 780-1464

PRIMARY HEALTH CARE SPECIALISTS S.C

Internal Medicine

5857 W 35TH ST
CICERO, IL 60804

Cook County (708) 780-1464

IVETTE CAMACHO

Physician Assistant

5857 W 35TH ST
CICERO, IL 60804

Cook County (773) 490-3514

GUADALUPE HERNANDEZ

Nurse Practitioner

5857 W 35TH ST
CICERO, IL 60804

Cook County (708) 780-1464

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 Ruben Castillo's NPI number?

The NPI number for Ruben Castillo is 1083518757. It was assigned to this individual provider in the NPPES registry on October 6, 2026.

Where is Ruben Castillo located?

Ruben Castillo practices at 5857 W 35th St, Cicero, IL 60804. The listed phone number is (708) 780-1464.

What is Ruben Castillo'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 Ruben Castillo was last updated on October 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.