Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Boston Childrens Hospital

Q: What is the NPI number for Boston Childrens Hospital?

The NPI for Boston Childrens Hospital is 1851709075, a Type 2 (organization) record in the CMS NPPES registry.

General Acute Care Hospital in Boston, MA · enumerated 2014 · authorized official John Baci, Pathology Department Director.

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

National Provider Identifier

1851709075

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Registry record

Entity type Organization (Type 2)

Legal business name Boston Childrens Hospital

Practice address 300 Longwood Ave, Pathology Bader 101, Boston, MA, 02115

Phone (617) 355-7431

Enumeration date Jul 31, 2014

Last updated in NPPES Jul 31, 2014

Taxonomy & classification

282N00000X General Acute Care Hospital Hospitals · License 56280 (MA) Primary

Authorized official

Name John Baci

Title Pathology Department Director

Phone (617) 355-7431

Other identifiers

Identifier	Type	State	Issuer
1770592941	Other	MA	HOSPITAL

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

Who is the authorized official for Boston Childrens Hospital?

NPPES lists John Baci (Pathology Department Director) as the authorized official for this organization.

What is the NPI number for Boston Childrens Hospital?

The NPI for Boston Childrens Hospital is 1851709075, a Type 2 (organization) record in the CMS NPPES registry.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-07-31.