NPPES file of Aug 9, 2026

Cornerstone Services, INC in Joliet, IL

This location of Cornerstone Services bills under NPI 1992674014, an organization record issued on Nov 5, 2025 with the primary taxonomy Adult Mental Health Clinic/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
1992674014
Legal name
Cornerstone Services, INC
Entity
Type 2 · organization
Primary taxonomy
Adult Mental Health Clinic/Center 261QM0850X
Practice location
134 E VAN BUREN ST, Joliet, IL 60432
Phone
815-727-6666
Enumerated
Nov 5, 2025
Record updated
Nov 10, 2025
Authorized official
Director Of Finance (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 Feb 13, 20081336317254
  4. Cornerstone Services INC800 BLACK RD · issued Apr 20, 20161346694957
  5. Cornerstone Services777 JOYCE RD · issued May 11, 20161124474978
  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.

Common questions

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.