GREENWICH HOSPITAL
NPI 1245926401
Clinical Medical Laboratory in Greenwich, CT

Active since April 12, 2023
5 PERRYRIDGE RD, GREENWICH, CT 06830(203) 863-3000 Get Directions Write a Review

NPPES record last updated: December 2, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 2, 2025, Apr 12, 2023 (2 updates tracked since 2023).

About Greenwich Hospital NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GREENWICH HOSPITAL (NPI 1245926401) is a healthcare organization registered as a clinical medical laboratory in Greenwich, Connecticut and active in the NPI registry since April 2023. The organization lists Jonathan Davis, Exec Dir Revenue Cycle, as its authorized official.

NPPES Registry Identity

NPI1245926401
Entity TypeOrganization
Primary Taxonomy291U00000X
Legal Business NameGREENWICH HOSPITAL
Location Address5 PERRYRIDGE RDGreenwich, CT 06830-4608
Mailing Address100 Church St S # Mcs2New Haven, CT 06519-1703 · (203) 688-8411
Organization SubpartNo
Authorized OfficialJonathan DavisExec Dir Revenue Cycle · (203) 836-1094
Enumeration DateApril 12, 2023
Last NPPES UpdateDecember 2, 20252 updates tracked since enumeration
NPPES CertifiedDecember 2, 2025
NPI 1245926401 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyClinical Medical LaboratoryLaboratories
Taxonomy Code291U00000X
Definition
(1) A clinical laboratory is a facility for the biological, microbiological, serological, chemical, immunohematological, hematological, biophysical, cytological, pathological, or other examination of materials derived from the human body for the purpose of providing information for the diagnosis, prevention, or treatment of any disease or impairment of, human beings. These examinations also include procedures to determine, measure, or otherwise describe the presence or absence of various substances or organisms in the body. Facilities only collecting or preparing specimens (or both) or only serving as a mailing service and not performing testing are not considered clinical laboratories. (2) Any facility that examines materials from the human body for purposes of providing information for the diagnosis, prevention, or treatment of any disease or impairment of, or the assessment of, the health of human beings. Typical divisions of a clinical laboratory include hematology, cytology, bacteriology, histology, biochemistry, medical toxicology, and serology.
5 PERRYRIDGE RD, Greenwich, CT 06830

Other Names 1

Other NameLab Specimen Greenwich Hospital

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Pediatrics (Neonatal-Perinatal Medicine)
5 PERRYRIDGE RD
GREENWICH, CT 06830
Student in an Organized Health Care Education/Training Program
5 PERRYRIDGE RD, MEDICAL EDUCATION
GREENWICH, CT 06830
Student in an Organized Health Care Education/Training Program
5 PERRYRIDGE RD
GREENWICH, CT 06830
Physician Assistant
5 PERRYRIDGE RD
GREENWICH, CT 06830
Pharmacist (Pharmacotherapy)
5 PERRYRIDGE RD
GREENWICH, CT 06830
Nurse Anesthetist, Certified Registered
5 PERRYRIDGE RD
GREENWICH, CT 06830
Anesthesiology
5 PERRYRIDGE RD
GREENWICH, CT 06830
Student in an Organized Health Care Education/Training Program
5 PERRYRIDGE RD
GREENWICH, CT 06830

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Greenwich Hospital's NPI number?

The NPI number for Greenwich Hospital is 1245926401. It was assigned to this organization in the NPPES registry on April 12, 2023. The provider is also known as Lab Specimen Greenwich Hospital.

Where is Greenwich Hospital located?

Greenwich Hospital is located at 5 Perryridge Rd, Greenwich, CT 06830. The listed phone number is (203) 863-3000.

What is Greenwich Hospital's specialty?

The primary specialty registered for this NPI is Clinical Medical Laboratory with taxonomy code 291U00000X.

When was this NPI record last updated?

The NPPES record for Greenwich Hospital was last updated on December 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.