Registry data as of Aug 27, 2026

Cornerstone Clinical Services

Cornerstone Clinical Services holds 11 active organization NPIs in the federal registry, with practice locations in 6 cities in 4 states. 6 list community/behavioral health agency 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

Lawton, OK has the most NPIs, 5

  1. Lawton, OK5
  2. Duncan, OK2
  3. Winston Salem, NC1
  4. Ardmore, OK1
  5. Milwaukie, OR1
  6. Cleveland, TX1

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

Most NPIs were issued in 2006 and 2010

Cornerstone Clinical Services NPIs by year issued2006: 2, 2007: 1, 2008: 0, 2009: 0, 2010: 4, 2011: 0, 2012: 1, 2013: 0, 2014: 0, 2015: 2, 2016: 0, 2017: 0, 2018: 0, 2019: 0, 2020: 0, 2021: 0, 2022: 0, 2023: 0, 2024: 0, 2025: 0, 2026: 10123420062008201020122014201620182020202220242026241121
Cornerstone Clinical Services NPIs by year issued2006: 2, 2007: 1, 2008: 0, 2009: 0, 2010: 4, 2011: 0, 2012: 1, 2013: 0, 2014: 0, 2015: 2, 2016: 0, 2017: 0, 2018: 0, 2019: 0, 2020: 0, 2021: 0, 2022: 0, 2023: 0, 2024: 0, 2025: 0, 2026: 10123420062008201020122014201620182020202220242026241121
Cornerstone Clinical Services NPIs by year issued2006: 2, 2007: 1, 2008: 0, 2009: 0, 2010: 4, 2011: 0, 2012: 1, 2013: 0, 2014: 0, 2015: 2, 2016: 0, 2017: 0, 2018: 0, 2019: 0, 2020: 0, 2021: 0, 2022: 0, 2023: 0, 2024: 0, 2025: 0, 2026: 10123420082011201420172020202320262006: 22010: 41121

Source: CMS NPPES, enumeration dates.

4 NPIs were issued in 2010 alone, more than in any other year; none in 15 of the years between.

Lawton, OK locations

The city with the most Cornerstone Clinical Services NPIs. The full list of all 11 follows.

NPILocationPrimary taxonomyIssued
1184786238807 SW F AVE, Lawton, OKCommunity/Behavioral Health AgencyDec 15, 2006
1700109360807 SW F AVE, Lawton, OKCase Management AgencyMar 10, 2010
1982923314807 SW F AVE, Lawton, OKCounselorMay 25, 2010
1639490345807 SW F AVE, Lawton, OKExclusive Provider OrganizationJun 16, 2010
1629469754807 SW F AVE, Lawton, OKCounselorFeb 11, 2015
All 11 locations, by state and city
NPILocationPrimary taxonomyIssued
1023938271514 S STRATFORD RD STE 400, Winston Salem, NCInternal Medicine PhysicianJul 17, 2026
1508189473511 LAKE MURRAY DR S, Ardmore, OKCommunity/Behavioral Health AgencyMar 8, 2010
15686684811408 W ELK AVE, Duncan, OKCommunity/Behavioral Health AgencyJun 26, 2007
11941916011408 W ELDER AVE, Duncan, OKCommunity/Behavioral Health AgencyAug 19, 2015
1184786238807 SW F AVE, Lawton, OKCommunity/Behavioral Health AgencyDec 15, 2006
1700109360807 SW F AVE, Lawton, OKCase Management AgencyMar 10, 2010
1982923314807 SW F AVE, Lawton, OKCounselorMay 25, 2010
1639490345807 SW F AVE, Lawton, OKExclusive Provider OrganizationJun 16, 2010
1629469754807 SW F AVE, Lawton, OKCounselorFeb 11, 2015
10938928956400 SE LAKE RD STE 325, Milwaukie, ORCommunity/Behavioral Health AgencyNov 1, 2006
1659623130308 BELCHER ST, Cleveland, TXCommunity/Behavioral Health AgencyOct 9, 2012

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 Cornerstone Clinical Services have 11 NPIs?

An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Cornerstone Clinical Services'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.