MR. BRENDON SULLIVAN
NPI 1811855372
Social Worker - Clinical in Malden, MA

Active since January 13, 2026

NPPES record last updated: January 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mr. Brendon Sullivan NPPES

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

MR. BRENDON SULLIVAN (NPI 1811855372) is an individual clinical provider in Malden, Massachusetts and active in the NPI registry since January 2026.

NPPES Registry Identity

NPI1811855372
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. BRENDON SULLIVAN
Location Address389 MAIN STMalden, MA 02148-5054
Mailing Address5 Bruce StHudson, NH 03051-5203
Sole ProprietorYes
Enumeration DateJanuary 13, 2026
NPPES CertifiedJanuary 13, 2026
NPI 1811855372 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.

389 MAIN ST, Malden, MA 02148

Other Providers at the Same Location NPPES 11

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

Dentist (General Practice)
389 MAIN ST, UNIT 403
MALDEN, MA 02148
Social Worker (Clinical)
389 MAIN ST, STE 303
MALDEN, MA 02148
Dentist (General Practice)
389 MAIN ST, UNIT 403
MALDEN, MA 02148
Dentist (General Practice)
389 MAIN ST, SUITE 201
MALDEN, MA 02148
Counselor (Mental Health)
389 MAIN ST, SUITE 303
MALDEN, MA 02148
Social Worker
389 MAIN ST, SUITE 303
MALDEN, MA 02148
Social Worker (Clinical)
389 MAIN ST, 303
MALDEN, MA 02148
Dentist (General Practice)
389 MAIN ST, #201
MALDEN, MA 02148

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 Brendon Sullivan's NPI number?

The NPI number for Brendon Sullivan is 1811855372. It was assigned to this individual provider in the NPPES registry on January 13, 2026.

Where is Brendon Sullivan located?

Brendon Sullivan practices at 389 Main St, Malden, MA 02148. The listed phone number is (617) 804-2773.

What is Brendon Sullivan'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 Brendon Sullivan was last updated on January 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.