GRACE O'LEARY LCSW, MT-BC, CT
NPI 1659895969
Social Worker - Clinical in Glendale, AZ

Active since July 28, 2017
18001 N 79TH AVE STE A10, GLENDALE, AZ 85308(480) 494-9912 Get Directions Write a Review

NPPES record last updated: March 12, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 12, 2026, Jul 2, 2025, Jul 28, 2017 (3 updates tracked since 2017).

About Grace O'leary Lcsw, Mt-bc, Ct NPPES

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

GRACE O'LEARY LCSW, MT-BC, CT (NPI 1659895969) is an individual clinical provider in Glendale, Arizona, licensed in Arizona (LCSW-23142) and active in the NPI registry since July 2017.

NPPES Registry Identity

NPI1659895969
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameGRACE O'LEARYCredential: LCSW, MT-BC, CT
Location Address18001 N 79TH AVE STE A10Glendale, AZ 85308-8389
Mailing Address18001 N 79th Ave Ste A10Glendale, AZ 85308-8389 · (480) 494-9912
Sole ProprietorYes
Enumeration DateJuly 28, 2017
Last NPPES UpdateMarch 12, 20263 updates tracked since enumeration
NPPES CertifiedMarch 12, 2026
NPI 1659895969 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License Licensed in AZ · LCSW-23142
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.
Also ListedMusic TherapistTaxonomy 225A00000X
18001 N 79TH AVE STE A10, Glendale, AZ 85308

Other Names 1

Former Name (1)Grace Chaisson

Other Providers at the Same Location NPPES 9

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

Nurse Practitioner (Psychiatric/Mental Health)
18001 N 79TH AVE STE A10
GLENDALE, AZ 85308
Counselor (Professional)
18001 N 79TH AVE STE A10
GLENDALE, AZ 85308
Social Worker (Clinical)
18001 N 79TH AVE STE A10
GLENDALE, AZ 85308
Social Worker (Clinical)
18001 N 79TH AVE STE A10
GLENDALE, AZ 85308
Counselor (Professional)
18001 N 79TH AVE STE A10
GLENDALE, AZ 85308
Counselor (Professional)
18001 N 79TH AVE STE A10
GLENDALE, AZ 85308
Counselor (Mental Health)
18001 N 79TH AVE STE A10
GLENDALE, AZ 85308
Counselor (Professional)
18001 N 79TH AVE STE A10
GLENDALE, AZ 85308

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 Grace O'leary's NPI number?

The NPI number for Grace O'leary is 1659895969. It was assigned to this individual provider in the NPPES registry on July 28, 2017. The provider is also known as Grace Chaisson.

Where is Grace O'leary located?

Grace O'leary practices at 18001 N 79th Ave Ste A10, Glendale, AZ 85308. The listed phone number is (480) 494-9912.

What is Grace O'leary'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 Grace O'leary was last updated on March 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.