GREATER MALDEN BEHAVIORAL HEALTH, INC
NPI 1649661166
Community/Behavioral Health in Malden, MA

Q: What is Greater Malden Behavioral Health, Inc's specialty?

The primary specialty registered for this NPI is Community/Behavioral Health with taxonomy code 251S00000X.

Active since February 05, 2015

6 PLEASANT ST, SUITE 513, MALDEN, MA 02148(781) 480-3946(781) 480-3952 Get Directions Write a Review

NPPES record last updated: April 1, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

On this page

About Greater Malden Behavioral Health, Inc NPPES

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

GREATER MALDEN BEHAVIORAL HEALTH, INC (NPI 1649661166) is a healthcare organization registered as a community/behavioral health in Malden, Massachusetts and active in the NPI registry since February 2015. The organization lists Ishman Williams, Coo, as its authorized official.

NPPES Registry Identity

NPI1649661166

Entity TypeOrganization

Primary Taxonomy251S00000X

Legal Business NameGREATER MALDEN BEHAVIORAL HEALTH, INC

Location Address6 PLEASANT ST, SUITE 513Malden, MA 02148-5100

Mailing Address6 Pleasant St Ste 513Malden, MA 02148-5167 · (781) 480-3946 · Fax (781) 480-3952

Phone(781) 480-3946

Fax(781) 480-3952

Organization SubpartNo

Authorized OfficialIshman WilliamsCoo · (781) 480-3946

Enumeration DateFebruary 5, 2015

Last NPPES UpdateApril 1, 2026

NPPES CertifiedApril 1, 2026

✔ NPI 1649661166 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCommunity/Behavioral HealthAgencies

Taxonomy Code251S00000X

License✔ Licensed in MA · 4UJP

Definition

A private or public agency usually under local government jurisdiction, responsible for assuring the delivery of community based mental health, intellectual disabilities, substance abuse and/or behavioral health services to individuals with those disabilities. Services may range from companion care, respite, transportation, community integration, crisis intervention and stabilization, supported employment, day support, prevocational services, residential support, therapeutic and supportive consultation, environmental modifications, intensive in-home therapy and day treatment, in addition to traditional mental health and behavioral treatment.

Also ListedClinic/Center · Mental Health (Including Community Mental Health Center)Taxonomy 261QM0801X

6 PLEASANT ST, Malden, MA 02148

Open in Google Maps ↗

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 ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Greater Malden Behavioral Health, Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Greater Malden Behavioral Health, Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Ishman Williams, MSW, LCSW

Clinical Social Worker

NPI 1447491311

6 PLEASANT ST STE 513
Malden, MA 02148

(617) 372-7839

✔ PECOS1.1 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Greater Malden Behavioral Health, Inc's NPI number?

The NPI number for Greater Malden Behavioral Health, Inc is 1649661166. It was assigned to this organization in the NPPES registry on February 5, 2015.

Where is Greater Malden Behavioral Health, Inc located?

Greater Malden Behavioral Health, Inc is located at 6 Pleasant St Suite 513, Malden, MA 02148. The listed phone number is (781) 480-3946.

What is Greater Malden Behavioral Health, Inc's specialty?

The primary specialty registered for this NPI is Community/Behavioral Health with taxonomy code 251S00000X.

Is Greater Malden Behavioral Health, Inc enrolled in Medicare?

Yes. Greater Malden Behavioral Health, Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Greater Malden Behavioral Health, Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Clinical Social Worker) reassigns their Medicare billing to Greater Malden Behavioral Health, Inc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Greater Malden Behavioral Health, Inc accept?

Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Greater Malden Behavioral Health, Inc 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 Greater Malden Behavioral Health, Inc was last updated on April 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.