NPPES file of Aug 9, 2026

Cornerstone Services INC in Joliet, IL

This location of Cornerstone Services bills under NPI 1336317254, an organization record issued on Feb 13, 2008 with the primary taxonomy Mental Health Clinic/Center (Including Community Mental Health Center). It is one of 19 NPIs registered under this name and one of 7 in Joliet; each clinician who sees you there has their own NPI and license.

CMS NPPES registry, file of Aug 9, 2026 · method · Verify with CMS →

Organization recordNPPES, Aug 2026
1336317254
Legal name
Cornerstone Services INC
Entity
Type 2 · organization, a subpart
Parent organization
Cornerstone Services INC
Primary taxonomy
Mental Health Clinic/Center (Including Community Mental Health Center) 261QM0801X
Practice location
800 BLACK RD, Joliet, IL 60435
Phone
815-741-7045
Enumerated
Feb 13, 2008
Record updated
Apr 17, 2020
Authorized official
Chief Administrative Officer (title as filed)
Public record from the NPPES NPI Registry (open it on CMS). An NPI identifies who bills; it is not a facility license.

The other 6 Joliet NPIs

  1. Cornerstone Services INC777 JOYCE RD · issued Jan 17, 20061205816345
  2. Cornerstone Services, INC3515 THEODORE ST · issued Feb 11, 20081679741805
  3. Cornerstone Services INC800 BLACK RD · issued Apr 20, 20161346694957
  4. Cornerstone Services777 JOYCE RD · issued May 11, 20161124474978
  5. Cornerstone Services, INC134 E VAN BUREN ST · issued Nov 5, 20251992674014
  6. Cornerstone Services, INC2705 MCDONOUGH ST · issued Jan 9, 20261962369934

4 clinicians CMS lists with Cornerstone Services in Joliet

  1. Cosme Lozano, MDPsychiatry Physician1336160597
  2. Rukayat OmolabiPsychiatric/Mental Health Nurse Practitioner1134887623
  3. Chequaleis SargentPsychiatric/Mental Health Nurse Practitioner1871007930
  4. Amanda Wessel, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1417197690

Source: CMS Doctors and Clinicians group affiliations, matched by practice name and city.

All 19 Cornerstone Services NPIs

Every location registered under this name, in 9 cities.

See every location

Checking an organization

  1. Confirm the business with the Illinois secretary of state.
  2. Check the HHS-OIG exclusion list for the organization.
  3. Verify each clinician on their own record and the state license search.

All taxonomies on this record

  • 251S00000X Community/Behavioral Health Agency
  • 261QM0801X Mental Health Clinic/Center (Including Community Mental Health Center)

Common questions

What does subpart mean?

The organization registered this NPI as a subpart: a part of the organization, such as a location, that bills under its own NPI.

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.

Which Joliet NPI should I use?

Ask the office which NPI it bills under; all 7 Joliet NPIs are registered under the same name.

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.