NPPES file of Aug 9, 2026

Find an organization's NPI

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

1 to 6 of 6, exact name first

  1. Oak Tree Behavioral Services, INC

    Mental Health Counselor · Centennial, CO · issued Jul 16, 2025

    1407748304
  2. Oak Tree Behavioral Services

    Mental Health Counselor · Highlands Ranch, CO · issued Jun 20, 2023

    1790460442
  3. Oak Tree Behavioral Services

    Mental Health Counselor · Lakewood, CO · issued Apr 26, 2018

    1235627035
  4. Oak Tree Behavioral Services, INC

    Mental Health Counselor · Lakewood, CO · issued Sep 20, 2025

    1255203105
  5. Oak Tree Behavioral Services

    Mental Health Counselor · Northglenn, CO · issued Jun 20, 2023

    1659056307
  6. Oak Tree Behavioral Services LLC

    Mental Health Counselor · Tampa, FL · issued Aug 10, 2021

    1568137776

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