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Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum Organization subpart

The Commonwealth of Massachusetts

Public Health or Welfare Agency in Boston, MA · enumerated 2018 · authorized official Joshua Mendelsohn, Assistant Commissioner of Community.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1750868600

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Registry record

Entity type Organization (Type 2)
Legal business name The Commonwealth of Massachusetts
Other name <Unavail>
Parent organization The Commonwealth of Massachusetts
Practice address 600 Washington St, Boston, MA, 02111
Phone (617) 204-3600
Fax (617) 727-1354
Enumeration date Jul 24, 2018
Last updated in NPPES Jul 24, 2018

Taxonomy & classification

251K00000X Public Health or Welfare Agency Agencies Primary

Authorized official

Name Joshua Mendelsohn
Title Assistant Commissioner of Community
Phone (617) 204-3690

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

What is the NPI number for The Commonwealth of Massachusetts?
The NPI for The Commonwealth of Massachusetts is 1750868600, a Type 2 (organization) record in the CMS NPPES registry.
Who is the authorized official for The Commonwealth of Massachusetts?
NPPES lists Joshua Mendelsohn (Assistant Commissioner of Community) as the authorized official for this organization.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-07-24.