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

The Cornerstone Project LLC

Organization Mental Health Clinic/Center (Including Community Mental Health Center) · NPI 1558963124

The Cornerstone Project LLC is a Mental Health Clinic/Center (Including Community Mental Health Center) in Saint Charles, Missouri. Registered with an NPI since 2020.

In the registry since
2020
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

2489 Annapolis Way
Saint Charles, MO 63303-2907
Phone: (314) 598-7320
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Clinic/Center (Including Community Mental Health Center) (primary) Taxonomy 261QM0801X

Record details

NPI number1558963124
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Brian Gilbert — Executive Director · (314) 598-7320
NPI enumeratedNovember 10, 2020
Last updated in NPPESNovember 10, 2020
Certification dateNovember 9, 2020
Mailing address2489 Annapolis Way, Saint Charles, MO 63303-2907

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