Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Cornerstone Clinical Services, Inc

Organization Community/Behavioral Health Agency · NPI 1568668481

Cornerstone Clinical Services, Inc is a Community/Behavioral Health Agency in Duncan, Oklahoma. Licensed in Oklahoma. Registered with an NPI since 2007.

Licensed in
OK
In the registry since
2007
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

1408 W Elk Ave
Duncan, OK 73533-3736
Phone: (580) 595-7000
Fax: (580) 595-7005
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Community/Behavioral Health Agency (primary) Taxonomy 251S00000X · Licence 100747400A (OK)

Record details

NPI number1568668481
Entity typeOrganization (Type 2)
Organization subpartYes
Parent organizationCornerstone Clinical Services, Inc
Authorized official Darrell Smith — President · (580) 595-7000
NPI enumeratedJune 26, 2007
Last updated in NPPESNovember 28, 2016
Mailing address1408 W Elder Ave, Duncan, OK 73533-4022

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