NPPES file of Aug 9, 2026

Castlewood Treatment Center

Castlewood Treatment Center holds 5 active organization NPIs in the federal registry, with practice locations in 4 Missouri cities. 4 list psychiatric residential treatment facility 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

Ballwin has the most NPIs, 2

  1. Ballwin2
  2. Fenton1
  3. Pacific1
  4. St. Louis1

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

Most NPIs were issued in 2006 and 2008

Castlewood Treatment Center NPIs by year issued2006: 1, 2007: 0, 2008: 1, 2009: 0, 2010: 1, 2011: 0, 2012: 0, 2013: 0, 2014: 0, 2015: 0, 2016: 1, 2017: 0, 2018: 0, 2019: 0, 2020: 100.30.50.812006200820102012201420162018202011111
Castlewood Treatment Center NPIs by year issued2006: 1, 2007: 0, 2008: 1, 2009: 0, 2010: 1, 2011: 0, 2012: 0, 2013: 0, 2014: 0, 2015: 0, 2016: 1, 2017: 0, 2018: 0, 2019: 0, 2020: 100.30.50.8120062007200820092010201120122013201420152016201720182019202011111
Castlewood Treatment Center NPIs by year issued2006: 1, 2007: 0, 2008: 1, 2009: 0, 2010: 1, 2011: 0, 2012: 0, 2013: 0, 2014: 0, 2015: 0, 2016: 1, 2017: 0, 2018: 0, 2019: 0, 2020: 100.30.50.812006200820102012201420162018202011111

Source: CMS NPPES, enumeration dates.

1 NPIs were issued in 2006 alone, more than in any other year; none in 10 of the years between.

Ballwin locations

The city with the most Castlewood Treatment Center NPIs. The full list of all 5 follows.

NPILocationPrimary taxonomyIssued
1568554822800 HOLLAND ROAD, BallwinPsychiatric Residential Treatment FacilitySep 28, 2006
13365968321268 SAINT PAUL RD, BallwinPsychiatric Residential Treatment FacilityMay 16, 2016
All 5 locations, by city
NPILocationPrimary taxonomyIssued
1568554822800 HOLLAND ROAD, BallwinPsychiatric Residential Treatment FacilitySep 28, 2006
13365968321268 SAINT PAUL RD, BallwinPsychiatric Residential Treatment FacilityMay 16, 2016
17909544101855 BOWLES AVE, SUITE 210, FentonClinic/CenterFeb 27, 2008
19721065812510 SPRING VALLEY RD, PacificPsychiatric Residential Treatment FacilityNov 17, 2020
10738301391260 ST. PAUL ROAD, St. LouisPsychiatric Residential Treatment FacilityApr 29, 2010

Related names

  1. Castlewood Treatment Center West1 NPI

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 Castlewood Treatment Center have 5 NPIs?

An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Castlewood Treatment Center's NPIs list practice locations in 4 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.