Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Greenwich Emergency Medical Service, Inc.

Ambulance in Riverside, CT · enumerated 2006 · authorized official John Strong, Fiscal Officer.

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

National Provider Identifier

1073534335

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Registry record

Entity type Organization (Type 2)

Legal business name Greenwich Emergency Medical Service, Inc.

Practice address 1111 E Putnam Ave, Riverside, CT, 06878

Phone (203) 637-7505

Fax (203) 637-1762

Enumeration date Jul 22, 2006

Last updated in NPPES Aug 22, 2020

Taxonomy & classification

341600000X Ambulance Transportation Services · License C057P1 (CT) Primary

Authorized official

Name John Strong

Title Fiscal Officer

Phone (203) 637-7505

Other identifiers

Identifier	Type	State	Issuer
A644995	Other	CT	OXFORD
621171	Other	CT	CONNECTICARE
0490917	Other	CT	CIGNA
0095353	Other	CT	AETNA
CT0117	Other	CT	HEALTHNET

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

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2020-08-22. Verify at npiregistry.cms.hhs.gov.

Where is Greenwich Emergency Medical Service, Inc. located?

The practice location on file with NPPES is in Riverside, CT.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-08-22.