NPPES file of Aug 9, 2026

Twin Town Corporation

Twin Town Corporation holds 7 active organization NPIs in the federal registry, with practice locations in 6 California cities. All list substance use disorder rehabilitation clinic/center 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

Los Alamitos has the most NPIs, 2

  1. Los Alamitos2
  2. Laguna Hills1
  3. Orange1
  4. Sherman Oaks1
  5. Torrance1
  6. West Hollywood1

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

Most NPIs were issued in 2006 and 2013

Twin Town Corporation NPIs by year issued2006: 1, 2007: 0, 2008: 0, 2009: 0, 2010: 0, 2011: 0, 2012: 0, 2013: 602462006200720082009201020112012201316
Twin Town Corporation NPIs by year issued2006: 1, 2007: 0, 2008: 0, 2009: 0, 2010: 0, 2011: 0, 2012: 0, 2013: 602462006200720082009201020112012201316
Twin Town Corporation NPIs by year issued2006: 1, 2007: 0, 2008: 0, 2009: 0, 2010: 0, 2011: 0, 2012: 0, 2013: 602462006200720082009201020112012201316

Source: CMS NPPES, enumeration dates.

6 NPIs were issued in 2013 alone, more than in any other year; none in 6 of the years between.

Los Alamitos locations

The city with the most Twin Town Corporation NPIs. The full list of all 7 follows.

NPILocationPrimary taxonomyIssued
12958208354281 KATELLA AVE STE 117, Los AlamitosSubstance Use Disorder Rehabilitation Clinic/CenterOct 3, 2006
19729397184281 KATELLA AVE STE 211, Los AlamitosSubstance Use Disorder Rehabilitation Clinic/CenterSep 25, 2013
All 7 locations, by city
NPILocationPrimary taxonomyIssued
188102062623521 PASEO DE VALENCIA STE B5, Laguna HillsSubstance Use Disorder Rehabilitation Clinic/CenterSep 25, 2013
12958208354281 KATELLA AVE STE 117, Los AlamitosSubstance Use Disorder Rehabilitation Clinic/CenterOct 3, 2006
19729397184281 KATELLA AVE STE 211, Los AlamitosSubstance Use Disorder Rehabilitation Clinic/CenterSep 25, 2013
1407282247705 WEST LA VETA STE. 208, OrangeSubstance Use Disorder Rehabilitation Clinic/CenterSep 25, 2013
18719296124940 VAN NUYS BLVD STE 201, Sherman OaksSubstance Use Disorder Rehabilitation Clinic/CenterSep 25, 2013
18618286003828 W CARSON ST STE 100, TorranceSubstance Use Disorder Rehabilitation Clinic/CenterSep 25, 2013
11244549628739 SANTA MONICA BLVD., West HollywoodSubstance Use Disorder Rehabilitation Clinic/CenterSep 25, 2013

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 Twin Town Corporation have 7 NPIs?

An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Twin Town Corporation's NPIs list practice locations in 6 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.