Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 30 days.

TERESE ANALISE CASEY WILLIAMSON LCSW
NPI 1306763461
Social Worker - Clinical in Loveland, CO

Active since June 30, 2026
4575 BYRD DR, LOVELAND, CO 80538(970) 593-3300 Get Directions Write a Review

NPPES record added: June 30, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Terese Analise Casey Williamson Lcsw NPPES

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

TERESE ANALISE CASEY WILLIAMSON LCSW (NPI 1306763461) is an individual clinical provider in Loveland, Colorado, licensed in Colorado (CSW.09933317) and active in the NPI registry since June 2026.

NPPES Registry Identity

NPI1306763461
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameTERESE ANALISE CASEY WILLIAMSONCredential: LCSW
Location Address4575 BYRD DRLoveland, CO 80538-7198
Mailing Address2685 N County Road 29Loveland, CO 80538-9711 · (602) 989-5828
Sole ProprietorNo
Enumeration DateJune 30, 2026
NPPES CertifiedJune 30, 2026
NPI 1306763461 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 CO · CSW.09933317
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.

4575 BYRD DR, Loveland, CO 80538

Other Names 1

Former Name (1)Terese Analise Casey Lcsw

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.

Registered Nurse
4575 BYRD DR
LOVELAND, CO 80538
Dentist (General Practice)
4575 BYRD DR
LOVELAND, CO 80538
Family Medicine
4575 BYRD DR
LOVELAND, CO 80538
Social Worker (Clinical)
4575 BYRD DR
LOVELAND, CO 80538
Audiologist
4575 BYRD DR
LOVELAND, CO 80538
Nurse Practitioner (Psychiatric/Mental Health)
4575 BYRD DR
LOVELAND, CO 80538
Psychologist
4575 BYRD DR
LOVELAND, CO 80538
Occupational Therapist (Mental Health)
4575 BYRD DR
LOVELAND, CO 80538

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 Terese Williamson's NPI number?

The NPI number for Terese Williamson is 1306763461. It was assigned to this individual provider in the NPPES registry on June 30, 2026. The provider is also known as Terese Analise Casey Lcsw.

Where is Terese Williamson located?

Terese Williamson practices at 4575 Byrd Dr, Loveland, CO 80538. The listed phone number is (970) 593-3300.

What is Terese Williamson'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 Terese Williamson was last updated on June 30, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.