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

JILL CASTILLO LCSW CADCIII
NPI 1003876046
Counselor - Addiction (Substance Use Disorder) in Madison, WI

Q: What is Jill Castillo's NPI number?

The NPI number for Jill Castillo is 1003876046. It was assigned to this individual provider in the NPPES registry on March 24, 2006.

Q: What is Jill Castillo's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

Q: When was this NPI record last updated?

The NPPES record for Jill Castillo 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 33 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 March 24, 2006

26 KESSEL COURT, #200, MADISON, WI 53711(608) 278-8200(608) 833-6932 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Jill Castillo Lcsw Cadciii NPPES

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

JILL CASTILLO LCSW CADCIII (NPI 1003876046) is an individual addiction (substance use disorder) provider in Madison, Wisconsin, licensed in Wisconsin (7198) and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1003876046

Entity TypeIndividualFemale

Primary Taxonomy101YA0400X

Provider Legal NameJILL CASTILLOCredential: LCSW CADCIII

Location Address26 KESSEL COURT, #200Madison, WI 53711

Mailing Address8007 Excelsior DriveMadison, WI 53717 · (608) 829-5238 · Fax (608) 833-6932

Phone(608) 278-8200

Fax(608) 833-6932

Sole ProprietorNo

Enumeration DateMarch 24, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1003876046 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers

Taxonomy Code101YA0400X

License✔ Licensed in WI · 7198

26 KESSEL COURT, Madison, WI 53711

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Other Identifiers 1

Medicaid39392200WI

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 Jill Castillo's NPI number?

The NPI number for Jill Castillo is 1003876046. It was assigned to this individual provider in the NPPES registry on March 24, 2006.

Where is Jill Castillo located?

Jill Castillo practices at 26 Kessel Court #200, Madison, WI 53711. The listed phone number is (608) 278-8200.

What is Jill Castillo's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for Jill Castillo 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 33 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.