Cornerstone Services Inc

Cornerstone Services Inc is a healthcare organization registered as Mental Health Clinic/Center (Including Community Mental Health Center) in Joliet, IL, holding Type 2 (organization) NPI 1336317254 since 2008. The authorized official on file is Benjamin Stortz, Chief Administrative Officer.

✓ Active NPI ✓ Valid NPI checksum Organization subpart

NPI	1336317254
Entity type	Organization (Type 2)
Legal business name	Cornerstone Services Inc
Parent organization	Cornerstone Services Inc
Practice address	800 BLACK RD, Joliet, IL, 60435
Phone	8157417045
Enumeration date	2008-02-13
Last updated in NPPES	2020-04-17

Authorized official

Name	Benjamin Stortz
Title	Chief Administrative Officer
Phone	8157417042

Taxonomy & classification

Taxonomy code	Specialty	Primary	License	State
251S00000X	Community/Behavioral Health Agency	Secondary	—	—
261QM0801X	Mental Health Clinic/Center (Including Community Mental Health Center)	Primary	—	—

Copy-ready billing details

Provider: Cornerstone Services Inc
NPI: 1336317254
Taxonomy: 261QM0801X (Mental Health Clinic/Center (Including Community Mental Health Center))
Address: 800 BLACK RD, Joliet, IL, 60435

Providers at this address

NPI	Name	Type	Specialty	Location
1881606887	Kimberly Hudgens	Individual	Clinical Social Worker	Joliet, IL
1144405424	Melissa Munday	Individual	Mental Health Counselor	Joliet, IL
1346694957	Cornerstone Services Inc	Organization	Substance Use Disorder Rehabilitation Clinic/Center	Joliet, IL
1013443993	Theresa Donley	Individual	Psychiatric/Mental Health Nurse Practitioner	Joliet, IL
1871007930	Chequaleis Sargent	Individual	Psychiatric/Mental Health Nurse Practitioner	Joliet, IL

Verify this record

Cross-check NPI 1336317254 against the authoritative CMS record: view Cornerstone Services Inc on the official NPPES registry .

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.

Frequently asked questions

Where is Cornerstone Services Inc located?

The practice location on file with NPPES is in Joliet, IL.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2020-04-17. Verify at npiregistry.cms.hhs.gov.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2020-04-17.