MS. DIA CLAIRE COSTELLO I LICSW
NPI 1538575196
Social Worker - Clinical in Glen Echo, MD

Active since July 03, 2014
6100 HARVARD AVE, GLEN ECHO, MD 20812(301) 263-9616 Get Directions Write a Review

NPPES record last updated: July 3, 2014. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Ms. Dia Claire Costello I Licsw NPPES

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

MS. DIA CLAIRE COSTELLO I LICSW (NPI 1538575196) is an individual clinical provider in Glen Echo, Maryland, licensed in District Of Columbia (LC302342) and active in the NPI registry since July 2014.

NPPES Registry Identity

NPI1538575196
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMS. DIA CLAIRE COSTELLO ICredential: LICSW
Location Address6100 HARVARD AVEGlen Echo, MD 20812-1116
Mailing Address5402 Connecticut Ave Nw Ste 102bWashington, DC 20015-2857 · (301) 538-7784
Sole ProprietorYes
Enumeration DateJuly 3, 2014
NPI 1538575196 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 DC · LC302342
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.
6100 HARVARD AVE, Glen Echo, MD 20812

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 Dia Costello's NPI number?

The NPI number for Dia Costello is 1538575196. It was assigned to this individual provider in the NPPES registry on July 3, 2014.

Where is Dia Costello located?

Dia Costello practices at 6100 Harvard Ave, Glen Echo, MD 20812. The listed phone number is (301) 263-9616.

What is Dia Costello'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 Dia Costello was last updated on July 3, 2014. NPI Profile syncs with the weekly NPPES data releases published by CMS.