NPPES file of Aug 9, 2026

Find an organization's NPI

4 active organization NPIs are registered under names beginning "Willow Tree Counseling Services". Each location can bill under its own NPI, so add the city to find the one you need.

1 to 4 of 4, exact name first

  1. Willow Tree Counseling Services LLC

    Mental Health Counselor · Boulder, CO · issued Oct 14, 2020

    1942808712
  2. Willow Tree Counseling Services LLC

    Mental Health Counselor · Wheat Ridge, CO · issued Oct 18, 2018

    1558837427
  3. Willow Tree Counseling Services, PLLC

    Mental Health Clinic/Center (Including Community Mental Health Center) · Barrington, IL · issued Apr 21, 2025

    1417744947
  4. Willow Tree Counseling Services, INC

    Community/Behavioral Health Agency · East China, MI · issued Nov 2, 2013

    1699104414

Source: CMS NPPES monthly file of Aug 9, 2026, organization (Type 2) records.