Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

CHARLES HORSTMEIER LCSW
NPI 1083613657
Social Worker - Clinical in Saint Peters, MO

Active since July 18, 2005
4200 CLOVERLEAF DRIVE, SUITE J- K, SAINT PETERS, MO 63376(636) 928-5109(636) 447-4678 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Charles Horstmeier Lcsw NPPES

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

CHARLES HORSTMEIER LCSW (NPI 1083613657) is an individual clinical provider in Saint Peters, Missouri, licensed in Missouri (000521) and active in the NPI registry since July 2005.

NPPES Registry Identity

NPI1083613657
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameCHARLES HORSTMEIERCredential: LCSW
Location Address4200 CLOVERLEAF DRIVE, SUITE J- KSaint Peters, MO 63376
Mailing Address5000 Cedar Plaza Parkway, Ste 350Saint Louis, MO 63128-3441 · (314) 843-4333 · Fax (314) 843-4856
Fax(636) 447-4678
Sole ProprietorNo
Enumeration DateJuly 18, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1083613657 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License Licensed in MO · 000521
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
4200 CLOVERLEAF DRIVE, Saint Peters, MO 63376

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Psychologist
4200 CLOVERLEAF DRIVE, SUITE J-K
ST.PETERS, MO 63376
Psychiatry & Neurology (Psychiatry)
4200 CLOVERLEAF DRIVE, SUITE J-K
ST.PETERS, MO 63376
Social Worker (Clinical)
4200 CLOVERLEAF DRIVE, SUITE J-K
ST.PETERS, MO 63376

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 Charles Horstmeier's NPI number?

The NPI number for Charles Horstmeier is 1083613657. It was assigned to this individual provider in the NPPES registry on July 18, 2005.

Where is Charles Horstmeier located?

Charles Horstmeier practices at 4200 Cloverleaf Drive Suite J- K, Saint Peters, MO 63376. The listed phone number is (636) 928-5109.

What is Charles Horstmeier's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

When was this NPI record last updated?

The NPPES record for Charles Horstmeier was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 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.