Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Massachusetts General Hospital

Q: What type of organization is Massachusetts General Hospital?

Massachusetts General Hospital is registered in NPPES as a Long Term Care Hospital (its primary provider taxonomy).

Long Term Care Hospital in Cambridge, MA · enumerated 2014 · authorized official Terry Miller, Mso.

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

National Provider Identifier

1093103046

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Registry record

Entity type Organization (Type 2)

Legal business name Massachusetts General Hospital

Practice address 1575 Cambridge St, Cambridge, MA, 02138

Phone (617) 724-7168

Enumeration date Dec 29, 2014

Last updated in NPPES Dec 29, 2014

Taxonomy & classification

282E00000X Long Term Care Hospital Hospitals · License 267278 (MA) Primary

Authorized official

Name Terry Miller

Title Mso

Phone (617) 724-7168

Other identifiers

Identifier	Type	State	Issuer
1356398119	Other	MA	NPI

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

What type of organization is Massachusetts General Hospital?

Massachusetts General Hospital is registered in NPPES as a Long Term Care Hospital (its primary provider taxonomy).

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-12-29.