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LEIGHA KERWIN PSYD
NPI 1104494491
Psychologist - Clinical in Newton, MA

Active since June 14, 2021
44 THORNTON ST, NEWTON, MA 02458(617) 244-2700 Get Directions Write a Review

NPPES record last updated: December 4, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 4, 2025, Jun 14, 2021 (2 updates tracked since 2021).

About Leigha Kerwin Psyd NPPES

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

LEIGHA KERWIN PSYD (NPI 1104494491) is an individual clinical provider in Newton, Massachusetts, licensed in Massachusetts (PSY10001635) and active in the NPI registry since June 2021.

NPPES Registry Identity

NPI1104494491
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameLEIGHA KERWINCredential: PSYD
Location Address44 THORNTON STNewton, MA 02458-1532
Mailing Address44 Thornton StNewton, MA 02458-1532
Phone(617) 244-2700
Sole ProprietorNo
Enumeration DateJune 14, 2021
Last NPPES UpdateDecember 4, 20252 updates tracked since enumeration
NPPES CertifiedDecember 4, 2025
✔ NPI 1104494491 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in MA · PSY10001635
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
44 THORNTON ST, Newton, MA 02458
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care.Insurance ›

Other Providers at the Same Location NPPES 14

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

KAELEY MAJEWSKI PSYD
Psychologist
44 THORNTON ST
NEWTON, MA 02458
Middlesex County (857) 219-3487
DR. ALLISON LAWSKY PSYD
Psychologist
44 THORNTON ST
NEWTON, MA 02458
Middlesex County (617) 244-2700
IAN ANDREW LJUTICH MA, MSW
Psychologist
44 THORNTON ST
NEWTON, MA 02458
Middlesex County (617) 244-2700
MS. KATHERINE CANAS MA
Counselor (Mental Health)
44 THORNTON ST
NEWTON, MA 02458
Middlesex County (617) 244-2700
DAVINCI BEHAVIORAL HEALTH
Clinic/Center (Multi-Specialty)
44 THORNTON ST
NEWTON, MA 02458
Middlesex County (617) 431-1441
SABRINA JULIA BARRON
Social Worker
44 THORNTON ST
NEWTON, MA 02458
Middlesex County (617) 244-2700
JENNIFER ROSS-CALLAHAN
Psychologist
44 THORNTON ST
NEWTON, MA 02458
Middlesex County (617) 244-2774
DAVID ANTHONY PERNA PH.D.
Psychologist
44 THORNTON ST
NEWTON, MA 02458
Middlesex County (617) 431-1441

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 Leigha Kerwin's NPI number?

The NPI number for Leigha Kerwin is 1104494491. It was assigned to this individual provider in the NPPES registry on June 14, 2021.

Where is Leigha Kerwin located?

Leigha Kerwin practices at 44 Thornton St, Newton, MA 02458. The listed phone number is (617) 244-2700.

What is Leigha Kerwin's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

What insurance does Leigha Kerwin accept?

Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Leigha Kerwin as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Leigha Kerwin was last updated on December 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.