Registry data as of Aug 27, 2026

Oak Tree Behavioral Services

Oak Tree Behavioral Services holds 6 active organization NPIs in the federal registry, with practice locations in 5 cities in 2 states. All list mental health counselor as their primary taxonomy; each location can bill under its own NPI.

CMS NPPES registry, file of Aug 9, 2026 · legal names grouped after punctuation and "LLC" are removed · method · Verify with CMS →

Which NPI is yours?

Search the organization with your city to find the NPI for the location you visit or bill.

Find a location's NPI

Lakewood, CO has the most NPIs, 2

  1. Lakewood, CO2
  2. Centennial, CO1
  3. Highlands Ranch, CO1
  4. Northglenn, CO1
  5. Tampa, FL1

Source: CMS NPPES monthly file of Aug 9, 2026, organization NPIs by practice city.

Most NPIs were issued in 2023 and 2025

Oak Tree Behavioral Services NPIs by year issued2018: 1, 2019: 0, 2020: 0, 2021: 1, 2022: 0, 2023: 2, 2024: 0, 2025: 200.511.52201820192020202120222023202420252211
Oak Tree Behavioral Services NPIs by year issued2018: 1, 2019: 0, 2020: 0, 2021: 1, 2022: 0, 2023: 2, 2024: 0, 2025: 200.511.52201820192020202120222023202420252211
Oak Tree Behavioral Services NPIs by year issued2018: 1, 2019: 0, 2020: 0, 2021: 1, 2022: 0, 2023: 2, 2024: 0, 2025: 200.511.52201820192020202120222023202420252211

Source: CMS NPPES, enumeration dates.

2 NPIs were issued in 2023 alone, more than in any other year; none in 4 of the years between.

Lakewood, CO locations

The city with the most Oak Tree Behavioral Services NPIs. The full list of all 6 follows.

NPILocationPrimary taxonomyIssued
1235627035274 UNION BLVD STE 430, Lakewood, COMental Health CounselorApr 26, 2018
1255203105274 UNION BLVD STE 430 SUITE 430, Lakewood, COMental Health CounselorSep 20, 2025
All 6 locations, by state and city
NPILocationPrimary taxonomyIssued
14077483045161 E ARAPAHOE RD STE 200, Centennial, COMental Health CounselorJul 16, 2025
179046044266 SPRINGER DR STE 104, Highlands Ranch, COMental Health CounselorJun 20, 2023
1235627035274 UNION BLVD STE 430, Lakewood, COMental Health CounselorApr 26, 2018
1255203105274 UNION BLVD STE 430 SUITE 430, Lakewood, COMental Health CounselorSep 20, 2025
165905630711990 GRANT ST STE 550, Northglenn, COMental Health CounselorJun 20, 2023
15681377763825 HENDERSON BLVD STE 601, Tampa, FLMental Health CounselorAug 10, 2021

Checking an organization

  1. Match the NPI to the exact location you will visit or bill; each location can have its own.
  2. Confirm the business entity with the secretary of state.
  3. Check the HHS-OIG exclusion list for the organization and its owners.
  4. Verify each clinician you will see on their own record and with the state license search.

Common questions

Why does Oak Tree Behavioral Services have 6 NPIs?

An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Oak Tree Behavioral Services's NPIs list practice locations in 5 cities.

Is an organization NPI a license?

No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.

Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.