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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

FINNIAN CHARLES WELCH
NPI 1609701192
Social Worker - Clinical in Boston, MA

Active since June 16, 2026
225 FRIEND ST STE 800, BOSTON, MA 02114(617) 618-5770 Get Directions Write a Review

NPPES record last updated: July 23, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Finnian Charles Welch NPPES

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

FINNIAN CHARLES WELCH (NPI 1609701192) is an individual clinical provider in Boston, Massachusetts, licensed in Massachusetts (LCSW2143101) and active in the NPI registry since June 2026.

NPPES Registry Identity

NPI1609701192
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameFINNIAN CHARLES WELCH
Location Address225 FRIEND ST STE 800Boston, MA 02114-1834
Mailing Address10 Bridges RdWilliamstown, MA 01267-2231 · (413) 884-3049
Phone(617) 618-5770
Sole ProprietorNo
Enumeration DateJune 16, 2026
Last NPPES UpdateJuly 23, 2026
NPPES CertifiedJuly 23, 2026
✔ NPI 1609701192 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 MA · LCSW2143101
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.
225 FRIEND ST STE 800, Boston, MA 02114
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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.

KIRA MARIE ENLOE PMHNP-BC
Nurse Practitioner (Psychiatric/Mental Health)
225 FRIEND ST STE 800
BOSTON, MA 02114
Suffolk County (781) 551-0999
KATHERINE MARIE PHILLIPS
Social Worker (Clinical)
225 FRIEND ST STE 800
BOSTON, MA 02114
Suffolk County (844) 926-1188
BAILEY BENNATI
Social Worker
225 FRIEND ST STE 800
BOSTON, MA 02114
Suffolk County (617) 618-5770
ELLEN HEDSTROM CLEGG LMHC
Counselor (Mental Health)
225 FRIEND ST STE 800
BOSTON, MA 02114
Suffolk County (781) 551-0999
EMMA ROSE MICHIELS
Social Worker (Clinical)
225 FRIEND ST STE 800
BOSTON, MA 02114
Suffolk County (201) 410-9415
YU-CHING LO
Social Worker (Clinical)
225 FRIEND ST STE 800
BOSTON, MA 02114
Suffolk County (781) 725-5231
DR. NICOLE BAUM PSY.D.
Psychologist
225 FRIEND ST STE 800
BOSTON, MA 02114
Suffolk County (617) 259-1895
HANNAH CATHERINE ELLIOTT LICSW
Social Worker (Clinical)
225 FRIEND ST STE 800
BOSTON, MA 02114
Suffolk County (617) 936-0488

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 Finnian Welch's NPI number?

The NPI number for Finnian Welch is 1609701192. It was assigned to this individual provider in the NPPES registry on June 16, 2026.

Where is Finnian Welch located?

Finnian Welch practices at 225 Friend St Ste 800, Boston, MA 02114. The listed phone number is (617) 618-5770.

What is Finnian Welch'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 Finnian Welch was last updated on July 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.