NPPES file of Aug 9, 2026

Find an organization's NPI

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

1 to 11 of 11, exact name first

  1. Cornerstone Clinical Services PC

    Internal Medicine Physician · Winston Salem, NC · issued Jul 17, 2026

    1023938271
  2. Cornerstone Clinical Services

    Community/Behavioral Health Agency · Ardmore, OK · issued Mar 8, 2010

    1508189473
  3. Cornerstone Clinical Services, INC

    Community/Behavioral Health Agency · Duncan, OK · issued Jun 26, 2007

    1568668481
  4. Cornerstone Clinical Services, INC

    Community/Behavioral Health Agency · Duncan, OK · issued Aug 19, 2015

    1194191601
  5. Cornerstone Clinical Services, INC

    Community/Behavioral Health Agency · Lawton, OK · issued Dec 15, 2006

    1184786238
  6. Cornerstone Clinical Services

    Case Management Agency · Lawton, OK · issued Mar 10, 2010

    1700109360
  7. Cornerstone Clinical Services

    Counselor · Lawton, OK · issued May 25, 2010

    1982923314
  8. Cornerstone Clinical Services

    Exclusive Provider Organization · Lawton, OK · issued Jun 16, 2010

    1639490345
  9. Cornerstone Clinical Services

    Counselor · Lawton, OK · issued Feb 11, 2015

    1629469754
  10. Cornerstone Clinical Services PC

    Community/Behavioral Health Agency · Milwaukie, OR · issued Nov 1, 2006

    1093892895
  11. Cornerstone Clinical Services, INC

    Community/Behavioral Health Agency · Cleveland, TX · issued Oct 9, 2012

    1659623130

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