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JUSTIN SEAN GILLIS LLC
NPI 1023642253
Social Worker - Clinical in Belmont, MA

Active since February 26, 2020
115 MILL ST, BELMONT, MA 02478(617) 855-2459(617) 855-3470 Get Directions Write a Review

NPPES record last updated: February 26, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Justin Sean Gillis Llc NPPES

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

JUSTIN SEAN GILLIS LLC (NPI 1023642253) is a healthcare organization registered as a clinical in Belmont, Massachusetts and active in the NPI registry since February 2020. The organization lists Justin Gillis, Owner, as its authorized official.

NPPES Registry Identity

NPI1023642253
Entity TypeOrganization
Primary Taxonomy1041C0700X
Legal Business NameJUSTIN SEAN GILLIS LLC
Location Address115 MILL STBelmont, MA 02478-1064
Mailing Address115 Mill StBelmont, MA 02478-1064 · (617) 855-2459 · Fax (617) 855-3470
Phone(617) 855-2459
Fax(617) 855-3470
Organization SubpartNo
Authorized OfficialJustin GillisOwner · (774) 273-0594
Enumeration DateFebruary 26, 2020
✔ NPI 1023642253 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
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.
115 MILL ST, Belmont, MA 02478
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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.

KATY TARELLA LICSW
Social Worker (Clinical)
115 MILL ST, MAILSTOP 137
BELMONT, MA 02478
Middlesex County (617) 855-4178
EVAN D MURRAY MD
Psychiatry & Neurology (Neurology)
115 MILL ST, MCLEAN HOSPITAL
BELMONT, MA 02478
Middlesex County (617) 855-2354
MIQVEH STEINHART
Social Worker (Clinical)
115 MILL ST
BELMONT, MA 02478
Middlesex County (617) 855-3118
DANIELLE PACE PSYD
Psychologist (Clinical)
115 MILL ST
BELMONT, MA 02478
Middlesex County (617) 855-2000
DR. MARNI JOY CHANOFF MD
Psychiatry & Neurology (Psychiatry)
115 MILL ST
BELMONT, MA 02478
Middlesex County (617) 855-3937
DR. NANCY ANN HUXLEY PH.D.
Psychologist (Clinical)
115 MILL ST
BELMONT, MA 02478
Middlesex County (617) 855-3645
JOAN MARTHA COTTLER LICSW
Social Worker (Clinical)
115 MILL ST
BELMONT, MA 02478
Middlesex County (617) 855-3623
PROF. BRUCE MICHAEL COHEN M.D., PH.D.
Psychiatry & Neurology (Psychiatry)
115 MILL ST
BELMONT, MA 02478
Middlesex County (617) 855-3227

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 Justin Sean Gillis LLC's NPI number?

The NPI number for Justin Sean Gillis LLC is 1023642253. It was assigned to this organization in the NPPES registry on February 26, 2020.

Where is Justin Sean Gillis LLC located?

Justin Sean Gillis LLC is located at 115 Mill St, Belmont, MA 02478. The listed phone number is (617) 855-2459.

What is Justin Sean Gillis LLC'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 Justin Sean Gillis LLC was last updated on February 26, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.