1. Home
  2. Directory
  3. Wisconsin
  4. Madison
  5. Counselor
  6. NPI Profile

SIOBHAN NASSALANG LPC-IT
NPI 1861345811
Counselor - Mental Health in Madison, WI

Active since February 18, 2026
2820 WALTON COMMONS LN STE 136, MADISON, WI 53718(608) 698-5557 Get Directions Write a Review

NPPES record last updated: February 18, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Siobhan Nassalang Lpc-it NPPES

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

SIOBHAN NASSALANG LPC-IT (NPI 1861345811) is an individual mental health provider in Madison, Wisconsin, licensed in Wisconsin (8044-226) and active in the NPI registry since February 2026.

NPPES Registry Identity

NPI1861345811
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameSIOBHAN NASSALANGCredential: LPC-IT
Location Address2820 WALTON COMMONS LN STE 136Madison, WI 53718-6797
Mailing Address2820 Walton Commons Ln Ste 136Madison, WI 53718-6797
Phone(608) 698-5557
Sole ProprietorNo
Enumeration DateFebruary 18, 2026
NPPES CertifiedFebruary 18, 2026
✔ NPI 1861345811 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in WI · 8044-226
2820 WALTON COMMONS LN STE 136, Madison, WI 53718
Open in Google Maps ↗

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 Siobhan Nassalang's NPI number?

The NPI number for Siobhan Nassalang is 1861345811. It was assigned to this individual provider in the NPPES registry on February 18, 2026.

Where is Siobhan Nassalang located?

Siobhan Nassalang practices at 2820 Walton Commons Ln Ste 136, Madison, WI 53718. The listed phone number is (608) 698-5557.

What is Siobhan Nassalang's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for Siobhan Nassalang was last updated on February 18, 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.