CORNERSTONE CLINICAL SERVICES, INC
NPI 1568668481
Community/Behavioral Health in Duncan, OK

Q: What is Cornerstone Clinical Services, Inc's NPI number?

The NPI number for Cornerstone Clinical Services, Inc is 1568668481. It was assigned to this organization in the NPPES registry on June 26, 2007.

Q: What is Cornerstone Clinical Services, Inc's specialty?

The primary specialty registered for this NPI is Community/Behavioral Health with taxonomy code 251S00000X.

Active since June 26, 2007

1408 W ELK AVE, DUNCAN, OK 73533(580) 595-7000(580) 595-7005 Get Directions Write a Review

NPPES record last updated: November 28, 2016. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Cornerstone Clinical Services, Inc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CORNERSTONE CLINICAL SERVICES, INC (NPI 1568668481) is a healthcare organization registered as a community/behavioral health in Duncan, Oklahoma and active in the NPI registry since June 2007. The organization lists Darrell Eugene Smith, President, as its authorized official.

NPPES Registry Identity

NPI1568668481

Entity TypeOrganization

Primary Taxonomy251S00000X

Legal Business NameCORNERSTONE CLINICAL SERVICES, INC

Location Address1408 W ELK AVEDuncan, OK 73533-3736

Mailing Address1408 W Elder AveDuncan, OK 73533-4022 · (580) 470-8898 · Fax (580) 786-2786

Phone(580) 595-7000

Fax(580) 595-7005

Organization SubpartYesParent: Cornerstone Clinical Services, Inc.

Authorized OfficialDarrell Eugene SmithPresident · (580) 595-7000

Enumeration DateJune 26, 2007

Last NPPES UpdateNovember 28, 2016

✔ NPI 1568668481 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCommunity/Behavioral HealthAgencies

Taxonomy Code251S00000X

License✔ Licensed in OK · 100747400A

Definition

A private or public agency usually under local government jurisdiction, responsible for assuring the delivery of community based mental health, intellectual disabilities, substance abuse and/or behavioral health services to individuals with those disabilities. Services may range from companion care, respite, transportation, community integration, crisis intervention and stabilization, supported employment, day support, prevocational services, residential support, therapeutic and supportive consultation, environmental modifications, intensive in-home therapy and day treatment, in addition to traditional mental health and behavioral treatment.

1408 W ELK AVE, Duncan, OK 73533

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Other Identifiers 1

Medicaid100747400AOK

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Cornerstone Clinical Services, Inc's NPI number?

The NPI number for Cornerstone Clinical Services, Inc is 1568668481. It was assigned to this organization in the NPPES registry on June 26, 2007.

Where is Cornerstone Clinical Services, Inc located?

Cornerstone Clinical Services, Inc is located at 1408 W Elk Ave, Duncan, OK 73533. The listed phone number is (580) 595-7000.

What is Cornerstone Clinical Services, Inc's specialty?

The primary specialty registered for this NPI is Community/Behavioral Health with taxonomy code 251S00000X.

When was this NPI record last updated?

The NPPES record for Cornerstone Clinical Services, Inc was last updated on November 28, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.