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JENNIFER LONDON MAST
NPI 1346722691
Social Worker - Clinical in Stow, MA

Active since September 04, 2018
26 KETTELL PLAIN RD, STOW, MA 01775(617) 501-6139 Get Directions Write a Review

NPPES record last updated: September 4, 2018. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Jennifer London Mast NPPES

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

JENNIFER LONDON MAST (NPI 1346722691) is an individual clinical provider in Stow, Massachusetts, licensed in Massachusetts (111896-SW-LICSW) and active in the NPI registry since September 2018.

NPPES Registry Identity

NPI1346722691
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameJENNIFER LONDON MAST
Location Address26 KETTELL PLAIN RDStow, MA 01775-1248
Mailing Address26 Kettell Plain RdStow, MA 01775-1248 · (617) 501-6139
Phone(617) 501-6139
Sole ProprietorYes
Enumeration DateSeptember 4, 2018
✔ NPI 1346722691 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 · 111896-SW-LICSW
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.
26 KETTELL PLAIN RD, Stow, MA 01775
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Other Identifiers 1

Other111896MA · Pay Out Of Pocket

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 Jennifer Mast's NPI number?

The NPI number for Jennifer Mast is 1346722691. It was assigned to this individual provider in the NPPES registry on September 4, 2018.

Where is Jennifer Mast located?

Jennifer Mast practices at 26 Kettell Plain Rd, Stow, MA 01775. The listed phone number is (617) 501-6139.

What is Jennifer Mast'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 Jennifer Mast was last updated on September 4, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.