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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

TREAT MENTAL HEALTH MISSOURI LLC
NPI 1659200806
Community/Behavioral Health in Saint Louis, MO

Active since May 14, 2026
1430 WASHINGTON AVE STE 229, SAINT LOUIS, MO 63103(314) 237-6206 Get Directions Write a Review

NPPES record last updated: July 23, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 23, 2026, Jul 16, 2026, May 14, 2026 (3 updates tracked since 2026).

About Treat Mental Health Missouri Llc NPPES

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

TREAT MENTAL HEALTH MISSOURI LLC (NPI 1659200806) is a healthcare organization registered as a community/behavioral health in Saint Louis, Missouri and active in the NPI registry since May 2026. The organization lists Nicholas Cies, Authorized Official, as its authorized official.

NPPES Registry Identity

NPI1659200806
Entity TypeOrganization
Primary Taxonomy251S00000X
Legal Business NameTREAT MENTAL HEALTH MISSOURI LLC
Location Address1430 WASHINGTON AVE STE 229Saint Louis, MO 63103-2029
Mailing Address2915 Red Hill Ave Ste A210cCosta Mesa, CA 92626-7979
Phone(314) 237-6206
Organization SubpartNo
Authorized OfficialNicholas CiesAuthorized Official · (314) 237-6206
Enumeration DateMay 14, 2026
Last NPPES UpdateJuly 23, 20263 updates tracked since enumeration
NPPES CertifiedJuly 23, 2026
✔ NPI 1659200806 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCommunity/Behavioral HealthAgencies
Taxonomy Code251S00000X
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.
Also ListedClinic/Center · Adult Mental HealthTaxonomy 261QM0850X
1430 WASHINGTON AVE STE 229, Saint Louis, MO 63103
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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 Treat Mental Health Missouri LLC's NPI number?

The NPI number for Treat Mental Health Missouri LLC is 1659200806. It was assigned to this organization in the NPPES registry on May 14, 2026.

Where is Treat Mental Health Missouri LLC located?

Treat Mental Health Missouri LLC is located at 1430 Washington Ave Ste 229, Saint Louis, MO 63103. The listed phone number is (314) 237-6206.

What is Treat Mental Health Missouri LLC'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 Treat Mental Health Missouri LLC was last updated on July 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 days 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.