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

JOHN RAPP, LCSW, LLC
NPI 1639708639
Social Worker - Clinical in Clayton, MO

Active since April 02, 2020
8000 BONHOMME AVE STE 416, CLAYTON, MO 63105(573) 424-4808 Get Directions Write a Review

NPPES record last updated: September 23, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

Record update history: Sep 23, 2026, Sep 25, 2024, Sep 17, 2024 and 1 more (4 updates tracked since 2020).

About John Rapp, Lcsw, Llc NPPES

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

JOHN RAPP, LCSW, LLC (NPI 1639708639) is a healthcare organization registered as a clinical in Clayton, Missouri and active in the NPI registry since April 2020. The organization lists John Gregory Rapp, Owner, as its authorized official.

NPPES Registry Identity

NPI1639708639
Entity TypeOrganization
Primary Taxonomy1041C0700X
Legal Business NameJOHN RAPP, LCSW, LLC
Location Address8000 BONHOMME AVE STE 416Clayton, MO 63105-3515
Mailing Address271 Wynstay AveValley Park, MO 63088-1442 · (314) 456-9127
Phone(573) 424-4808
Organization SubpartNo
Authorized OfficialJohn Gregory RappOwner · (314) 456-9127
Enumeration DateApril 2, 2020
Last NPPES UpdateSeptember 23, 20264 updates tracked since enumeration
NPPES CertifiedSeptember 23, 2026
✔ NPI 1639708639 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
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.
8000 BONHOMME AVE STE 416, Clayton, MO 63105
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES

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

JOHN GREGORY RAPP MSW, LCSW
Social Worker (Clinical)
8000 BONHOMME AVE STE 416
CLAYTON, MO 63105
St. Louis County (573) 424-4808

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 John Rapp, Lcsw, LLC's NPI number?

The NPI number for John Rapp, Lcsw, LLC is 1639708639. It was assigned to this organization in the NPPES registry on April 2, 2020.

Where is John Rapp, Lcsw, LLC located?

John Rapp, Lcsw, LLC is located at 8000 Bonhomme Ave Ste 416, Clayton, MO 63105. The listed phone number is (573) 424-4808.

What is John Rapp, Lcsw, LLC'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 John Rapp, Lcsw, LLC was last updated on September 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 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.