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

TERESA MCWILLIAMS LCSW
NPI 1720027451
Social Worker - Clinical in Avon, CT

Active since June 06, 2006
21 WATERVILLE RD, AVON, CT 06001(860) 674-2691(860) 677-6443 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Teresa Mcwilliams Lcsw NPPES

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

TERESA MCWILLIAMS LCSW (NPI 1720027451) is an individual clinical provider in Avon, Connecticut, licensed in Rhode Island (ISW01205) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1720027451
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameTERESA MCWILLIAMSCredential: LCSW
Location Address21 WATERVILLE RDAvon, CT 06001-2097
Mailing Address21 Waterville RdAvon, CT 06001-2097 · (860) 674-2691 · Fax (860) 677-6443
Fax(860) 677-6443
Sole ProprietorNo
Enumeration DateJune 6, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1720027451 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 RI · ISW01205
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.
21 WATERVILLE RD, Avon, CT 06001

Other Names 1

Former Name (1)Teresa Szabo

Other Providers at the Same Location NPPES 20

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

Social Worker (Clinical)
21 WATERVILLE RD
AVON, CT 06001
Nurse Practitioner (Psychiatric/Mental Health)
21 WATERVILLE RD
AVON, CT 06001
Nurse Practitioner
21 WATERVILLE RD
AVON, CT 06001
Social Worker (Clinical)
21 WATERVILLE RD
AVON, CT 06001
Nurse Practitioner (Psychiatric/Mental Health)
21 WATERVILLE RD
AVON, CT 06001
Nurse Practitioner
21 WATERVILLE RD
AVON, CT 06001
Psychologist (Clinical)
21 WATERVILLE RD
AVON, CT 06001
Psychiatry & Neurology (Psychiatry)
21 WATERVILLE RD
AVON, CT 06001

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 Teresa Mcwilliams's NPI number?

The NPI number for Teresa Mcwilliams is 1720027451. It was assigned to this individual provider in the NPPES registry on June 6, 2006. The provider is also known as Teresa Szabo.

Where is Teresa Mcwilliams located?

Teresa Mcwilliams practices at 21 Waterville Rd, Avon, CT 06001. The listed phone number is (860) 674-2691.

What is Teresa Mcwilliams'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 Teresa Mcwilliams was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 35 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.