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

JOHN GREGORY RAPP MSW, LCSW
NPI 1538459086
Social Worker - Clinical in Clayton, MO

Active since April 17, 2011
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 25, 2026.

Record update history: Sep 23, 2026, Sep 25, 2024, Sep 17, 2024 (3 updates tracked since 2024).

About John Gregory Rapp Msw, Lcsw NPPES

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

JOHN GREGORY RAPP MSW, LCSW (NPI 1538459086) is an individual clinical provider in Clayton, Missouri, licensed in Missouri (2013014225) and active in the NPI registry since April 2011.

NPPES Registry Identity

NPI1538459086
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameJOHN GREGORY RAPPCredential: MSW, LCSW
Location Address8000 BONHOMME AVE STE 416Clayton, MO 63105-3515
Mailing Address271 Wynstay AveValley Park, MO 63088-1442 · (314) 456-9127
Sole ProprietorNo
Enumeration DateApril 17, 2011
Last NPPES UpdateSeptember 23, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 23, 2026
✔ NPI 1538459086 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 · 2013014225
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

Accepted Insurance

Other Providers at the Same Location NPPES

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

Social Worker (Clinical)
8000 BONHOMME AVE STE 416
CLAYTON, MO 63105

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's NPI number?

The NPI number for John Rapp is 1538459086. It was assigned to this individual provider in the NPPES registry on April 17, 2011.

Where is John Rapp located?

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

What is John Rapp's specialty?

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

What insurance does John Rapp accept?

Health plans from Anthem Blue Cross and Blue Shield, Medica, Oscar Insurance Company and UnitedHealthcare list John Rapp as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for John Rapp 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 34 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.