Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Massachuesetts General Hospital

Q: What is the NPI number for Massachuesetts General Hospital?

The NPI for Massachuesetts General Hospital is 1023342888, a Type 2 (organization) record in the CMS NPPES registry.

Hearing and Speech Clinic/Center in Boston, MA · enumerated 2009 · authorized official Alina Carter, Speech Language Pathologist.

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

National Provider Identifier

1023342888

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Registry record

Entity type Organization (Type 2)

Legal business name Massachuesetts General Hospital

Practice address 275 Cambridge St, 3rd Floor, Boston, MA, 02114

Phone (617) 724-0790

Enumeration date Sep 28, 2009

Last updated in NPPES Sep 28, 2009

Taxonomy & classification

261QH0700X Hearing and Speech Clinic/Center Ambulatory Health Care Facilities Primary

Authorized official

Name Alina Carter

Title Speech Language Pathologist

Phone (617) 724-0790

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 the NPI number for Massachuesetts General Hospital?

The NPI for Massachuesetts General Hospital is 1023342888, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Massachuesetts General Hospital?

NPPES lists Alina Carter (Speech Language Pathologist) 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 2009-09-28.