Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

St. Mary'S Hospital

Q: What is the NPI number for St. Mary'S Hospital?

The NPI for St. Mary'S Hospital is 1356725618, a Type 2 (organization) record in the CMS NPPES registry.

Long Term Care Hospital in Waterbury, CT · enumerated 2015 · authorized official Macdara Tynan, Head Pediatrician.

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

National Provider Identifier

1356725618

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Registry record

Entity type Organization (Type 2)

Legal business name St. Mary'S Hospital

Practice address 56 Franklin St, Waterbury, CT, 06706

Phone (203) 709-8679

Enumeration date Jul 16, 2015

Last updated in NPPES Jul 16, 2015

Taxonomy & classification

282E00000X Long Term Care Hospital Hospitals · License 3377 (CT) Primary

Authorized official

Name Macdara Tynan

Title Head Pediatrician

Phone (203) 709-8679

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 St. Mary'S Hospital?

The NPI for St. Mary'S Hospital is 1356725618, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for St. Mary'S Hospital?

NPPES lists Macdara Tynan (Head Pediatrician) 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 2015-07-16.