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

MR. BRENDON SULLIVAN MSW
NPI 1811855372
Social Worker in Nashua, NH

Active since January 13, 2026
5 PINE STREET EXT, NASHUA, NH 03060(603) 889-6147 Get Directions Write a Review

NPPES record last updated: August 17, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Aug 17, 2026, Jan 13, 2026 (2 updates tracked since 2026).

About Mr. Brendon Sullivan Msw NPPES

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

MR. BRENDON SULLIVAN MSW (NPI 1811855372) is an individual social worker in Nashua, New Hampshire and active in the NPI registry since January 2026.

NPPES Registry Identity

NPI1811855372
Entity TypeIndividualMale
Primary Taxonomy104100000X
Provider Legal NameMR. BRENDON SULLIVANCredential: MSW
Location Address5 PINE STREET EXTNashua, NH 03060-3213
Mailing Address100 W Pearl StNashua, NH 03060-3343
Phone(603) 889-6147
Sole ProprietorNo
Enumeration DateJanuary 13, 2026
Last NPPES UpdateAugust 17, 20262 updates tracked since enumeration
NPPES CertifiedAugust 17, 2026
✔ NPI 1811855372 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
5 PINE STREET EXT, Nashua, NH 03060
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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.

DANIELLE FASQUELLE BS
Case Manager/Care Coordinator
5 PINE STREET EXT
NASHUA, NH 03060
Hillsborough County (603) 889-6147
WILBERTO TORRES
Adult Companion
5 PINE STREET EXT
NASHUA, NH 03060
Hillsborough County (603) 821-7421
MR. GREGORY ALAN WILES BS
Case Manager/Care Coordinator
5 PINE STREET EXT
NASHUA, NH 03060
Hillsborough County (603) 889-6147
MARY H WARREN APRN
Nurse Practitioner (Psychiatric/Mental Health)
5 PINE STREET EXT, #6 MILL ANNEX SUITE K
NASHUA, NH 03060
Hillsborough County (603) 886-4800
FRANCIS PERRICONE BA
Peer Specialist
5 PINE STREET EXT
NASHUA, NH 03060
Hillsborough County (603) 889-6147
HEATHER LEE
Peer Specialist
5 PINE STREET EXT
NASHUA, NH 03060
Hillsborough County (603) 889-6147
JESSICA PERKINS MSW
Social Worker
5 PINE STREET EXT
NASHUA, NH 03060
Hillsborough County (603) 889-6147
MS. MELISSA JANE GOSS MS
Counselor
5 PINE STREET EXT
NASHUA, NH 03060
Hillsborough County (603) 889-6147

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 5 Pine Street Ext, Nashua, NH 03060. The listed phone number is (603) 889-6147.

What is Brendon Sullivan's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

When was this NPI record last updated?

The NPPES record for Brendon Sullivan was last updated on August 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 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.