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

MS. SARAH KENISTON LICSW
NPI 1801848353
Social Worker - Clinical in Waltham, MA

Active since May 16, 2006
235 BEAR HILL RD, WALTHAM, MA 02451(617) 413-3685 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Ms. Sarah Keniston Licsw NPPES

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

MS. SARAH KENISTON LICSW (NPI 1801848353) is an individual clinical provider in Waltham, Massachusetts, licensed in Massachusetts (1023983) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1801848353
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMS. SARAH KENISTONCredential: LICSW
Location Address235 BEAR HILL RDWaltham, MA 02451-1014
Mailing AddressPo Box 563Belmont, MA 02478-0005 · (617) 413-3685
Sole ProprietorNo
Enumeration DateMay 16, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1801848353 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 · 1023983
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.
235 BEAR HILL RD, Waltham, MA 02451

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 Sarah Keniston's NPI number?

The NPI number for Sarah Keniston is 1801848353. It was assigned to this individual provider in the NPPES registry on May 16, 2006.

Where is Sarah Keniston located?

Sarah Keniston practices at 235 Bear Hill Rd, Waltham, MA 02451. The listed phone number is (617) 413-3685.

What is Sarah Keniston'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 Sarah Keniston was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 39 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.