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

MRS. BRIANNE ELIZABETH SERDAR MSW, LCSW
NPI 1639477177
Social Worker - Clinical in Webster Groves, MO

Active since March 08, 2011
357 MARSHALL AVE STE 2, WEBSTER GROVES, MO 63119(314) 254-3378 Get Directions Write a Review

NPPES record last updated: September 9, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

Record update history: Sep 9, 2026, Jan 14, 2022, Apr 15, 2021 (3 updates tracked since 2021).

About Mrs. Brianne Elizabeth Serdar Msw, Lcsw NPPES

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

MRS. BRIANNE ELIZABETH SERDAR MSW, LCSW (NPI 1639477177) is an individual clinical provider in Webster Groves, Missouri, licensed in Missouri (2009007769) and active in the NPI registry since March 2011.

NPPES Registry Identity

NPI1639477177
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMRS. BRIANNE ELIZABETH SERDARCredential: MSW, LCSW
Location Address357 MARSHALL AVE STE 2Webster Groves, MO 63119-1827
Mailing Address357 Marshall Ave Ste 2Webster Groves, MO 63119-1827 · (314) 254-3378
Sole ProprietorYes
Enumeration DateMarch 8, 2011
Last NPPES UpdateSeptember 9, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 9, 2026
✔ NPI 1639477177 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 · 2009007769
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.
357 MARSHALL AVE STE 2, Webster Groves, MO 63119

Accepted Insurance

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 (Clinical)
357 MARSHALL AVE STE 2
WEBSTER GROVES, MO 63119
Social Worker (Clinical)
357 MARSHALL AVE STE 2
WEBSTER GROVES, MO 63119
Psychologist (Clinical)
357 MARSHALL AVE STE 2
WEBSTER GROVES, MO 63119

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 Brianne Serdar's NPI number?

The NPI number for Brianne Serdar is 1639477177. It was assigned to this individual provider in the NPPES registry on March 8, 2011.

Where is Brianne Serdar located?

Brianne Serdar practices at 357 Marshall Ave Ste 2, Webster Groves, MO 63119. The listed phone number is (314) 254-3378.

What is Brianne Serdar's specialty?

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

What insurance does Brianne Serdar accept?

Health plans from Medica and UnitedHealthcare list Brianne Serdar 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 Brianne Serdar was last updated on September 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.