MS. DIANA MARIE O'BRIEN LCSW
NPI 1700035375
Social Worker - Clinical in Norwalk, CT

Active since September 18, 2008
161 EAST AVE, SUITE 204, NORWALK, CT 06851(203) 838-8344(203) 523-5892 Get Directions Write a Review

NPPES record last updated: September 18, 2008. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Ms. Diana Marie O'brien Lcsw NPPES

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

MS. DIANA MARIE O'BRIEN LCSW (NPI 1700035375) is an individual clinical provider in Norwalk, Connecticut, licensed in Connecticut (004656) and active in the NPI registry since September 2008.

NPPES Registry Identity

NPI1700035375
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMS. DIANA MARIE O'BRIENCredential: LCSW
Location Address161 EAST AVE, SUITE 204Norwalk, CT 06851-5710
Mailing Address161 East Ave, Suite 204Norwalk, CT 06851-5710 · (203) 838-8344 · Fax (203) 523-5892
Fax(203) 523-5892
Sole ProprietorYes
Enumeration DateSeptember 18, 2008
NPI 1700035375 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 CT · 004656
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.

161 EAST AVE, Norwalk, CT 06851

Other Providers at the Same Location NPPES 16

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

Chiropractor
161 EAST AVE, SUITE 102
NORWALK, CT 06851
Chiropractor
161 EAST AVE
NORWALK, CT 06851
Dentist
161 EAST AVE, 201
NORWALK, CT 06851
Nutritionist (Nutrition, Education)
161 EAST AVE, SUITE 105
NORWALK, CT 06851
Chiropractor
161 EAST AVE, SUITE 102
NORWALK, CT 06851
Social Worker (Clinical)
161 EAST AVE, SUITE 204
NORWALK, CT 06851
Clinic/Center (Health Service)
161 EAST AVE, SUITE 204
NORWALK, CT 06851
Naturopath
161 EAST AVE, SUITE 204
NORWALK, CT 06851

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 Diana O'brien's NPI number?

The NPI number for Diana O'brien is 1700035375. It was assigned to this individual provider in the NPPES registry on September 18, 2008.

Where is Diana O'brien located?

Diana O'brien practices at 161 East Ave Suite 204, Norwalk, CT 06851. The listed phone number is (203) 838-8344.

What is Diana O'brien'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 Diana O'brien was last updated on September 18, 2008. NPI Profile syncs with the weekly NPPES data releases published by CMS.