NPIMap

Organization Active NPI

Greenwich Hospital

  • Clinical Medical Laboratory
  • Greenwich, CT
National Provider Identifier
1245926401
Registry record updated Dec 2, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Medical LaboratoryTaxonomy code 291U00000X
Legal business name
GREENWICH HOSPITAL
Practice address
5 Perryridge Rd
Greenwich, CT 06830-4608
Phone
(203) 863-3000
NPI assigned
Apr 12, 2023
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Dec 2, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name
Jonathan Davis
Title
Exec Dir Revenue Cycle
Phone
(203) 836-1094

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Medical Laboratory 291U00000X Primary

Addresses

Primary practice location

5 Perryridge Rd
Greenwich, CT 06830-4608

Mailing address

100 Church St S # MCS2
New Haven, CT 06519-1703
Phone (203) 688-8411

Other names 1

  • Lab Specimen Greenwich Hospital Other name

Electronic endpoints 1

TypeEndpointUseAffiliation
CONNECT URL https://cobiusconnect.cobius.com:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service Other Cobius Healthcare Solutions

National Provider Directory

National Provider Directory
Tax ID family
Greenwich Hospital4 organizations share this tax ID, including this one

Other organizations with this tax ID 3

Organizations that report the same tax identification number in the National Provider Directory.

Locations

31 River Rd
Cos Cob, CT 06807
Phone (203) 661-9433

75 Holly Hill Ln
Greenwich, CT 06830
Phone (203) 661-3333

148 East Ave
Norwalk, CT 06851
Phone (203) 838-4886

Practitioners & affiliated clinicians

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1681257600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1764633600000",
    "number": "1245926401",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 CHURCH ST S # MCS2",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065191703",
            "telephone_number": "203-688-8411"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5 PERRYRIDGE RD",
            "city": "GREENWICH",
            "state": "CT",
            "postal_code": "068304608",
            "telephone_number": "203-863-3000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "GREENWICH HOSPITAL",
        "organizational_subpart": "NO",
        "enumeration_date": "2023-04-12",
        "last_updated": "2025-12-02",
        "certification_date": "2025-12-02",
        "status": "A",
        "authorized_official_last_name": "DAVIS",
        "authorized_official_first_name": "JONATHAN",
        "authorized_official_title_or_position": "EXEC DIR REVENUE CYCLE",
        "authorized_official_telephone_number": "203-836-1094"
    },
    "taxonomies": [
        {
            "code": "291U00000X",
            "taxonomy_group": "",
            "desc": "Clinical Medical Laboratory",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "https://cobiusconnect.cobius.com:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service",
            "affiliation": "Y",
            "endpointDescription": "2.16.840.1.113883.3.1068.1",
            "affiliationName": "Cobius Healthcare Solutions",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "CMS esMD eMDR",
            "address_1": "2720 Dundee Rd # 302",
            "city": "Northbrook",
            "state": "IL",
            "country_code": "US",
            "postal_code": "600622609",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "organization_name": "Lab Specimen Greenwich Hospital",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

Other providers in Greenwich, CT

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 2, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.