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MS. ELIZABETH HALSTEAD M.A.
NPI 1699631119
Counselor - Mental Health in Cambridge, MA

Active since December 29, 2025
25 BREWSTER ST, CAMBRIDGE, MA 02138(617) 933-9371 Get Directions Write a Review

NPPES record last updated: December 29, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Ms. Elizabeth Halstead M.a. NPPES

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

MS. ELIZABETH HALSTEAD M.A. (NPI 1699631119) is an individual mental health provider in Cambridge, Massachusetts and active in the NPI registry since December 2025.

NPPES Registry Identity

NPI1699631119
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameMS. ELIZABETH HALSTEADCredential: M.A.
Location Address25 BREWSTER STCambridge, MA 02138-2203
Mailing Address25 Brewster StCambridge, MA 02138-2203
Phone(617) 933-9371
Sole ProprietorYes
Enumeration DateDecember 29, 2025
NPPES CertifiedDecember 29, 2025
✔ NPI 1699631119 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
25 BREWSTER ST, Cambridge, MA 02138
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Other Names 1

Professional Name (2)Ms. Libby Halstead M.a.

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 Elizabeth Halstead's NPI number?

The NPI number for Elizabeth Halstead is 1699631119. It was assigned to this individual provider in the NPPES registry on December 29, 2025. The provider is also known as Ms. Libby Halstead M.A..

Where is Elizabeth Halstead located?

Elizabeth Halstead practices at 25 Brewster St, Cambridge, MA 02138. The listed phone number is (617) 933-9371.

What is Elizabeth Halstead's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for Elizabeth Halstead was last updated on December 29, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.