1. Home
  2. Directory
  3. Massachusetts
  4. Lenox
  5. Social Worker
  6. NPI Profile

MR. WILLIAM EDWIN GROSSER MSW
NPI 1821201245
Social Worker - Clinical in Lenox, MA

Active since May 08, 2007

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Mr. William Edwin Grosser Msw NPPES

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

MR. WILLIAM EDWIN GROSSER MSW (NPI 1821201245) is an individual clinical provider in Lenox, Massachusetts, licensed in Massachusetts (107662) and active in the NPI registry since May 2007.

NPPES Registry Identity

NPI1821201245
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. WILLIAM EDWIN GROSSERCredential: MSW
Location Address715 EAST STLenox, MA 01240-2210
Mailing Address715 East StLenox, MA 01240-2210 · (413) 637-2868
Phone(413) 637-2868
Sole ProprietorYes
Enumeration DateMay 8, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1821201245 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 · 107662
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.
715 EAST ST, Lenox, MA 01240
Open in Google Maps ↗

Other Identifiers 1

Medicare ID-Type UnspecifiedGR-P24010MA · Licsw

Accepted Insurance

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

Other Providers at the Same Location NPPES

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

MS. ANNE N. GROSSER LICSW
Social Worker (Clinical)
715 EAST ST
LENOX, MA 01240
Berkshire County (413) 637-2868

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 William Grosser's NPI number?

The NPI number for William Grosser is 1821201245. It was assigned to this individual provider in the NPPES registry on May 8, 2007.

Where is William Grosser located?

William Grosser practices at 715 East St, Lenox, MA 01240. The listed phone number is (413) 637-2868.

What is William Grosser's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

What insurance does William Grosser accept?

Health plans from Anthem Blue Cross and Blue Shield list William Grosser 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 William Grosser was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.