Organization Profile

Greenwich Hospital

Unclaimed Profile

At a glance

About Greenwich Hospital

Greenwich Hospital is a healthcare organization in Greenwich, CT, registered under general acute care hospital. The organization's National Provider Identifier (NPI) is 1609846088.

Factual summary compiled by Guide.md from public records; not written by this provider.

Practice Size

TypeHospital or health system
Providers registered at this building255

Counted from individual NPI records registered at the same street address; a shared building can inflate this.

Providers in This Building & Nearby

From registry street addresses: providers filed at this building, which can include unrelated practices sharing it.

Showing 12 of 255. The full list is in the Related Providers tab.

Specialty

Credentials & Licensing

NPINational Provider Identifier
1609846088Issued 2006

As reported to the NPI registry ↗

About this hospital

TypeAcute Care Hospitals
OwnershipVoluntary non-profit - Private
Emergency servicesYes
CMS certification number070018
CMS overall rating★★★★★ 5 of 5

Source: CMS Care Compare, Hospital General Information, checked 2026-09-12.

Most common inpatient stays (Medicare)

2,160 Medicare discharges across 68 diagnosis groups (2024). Groups with fewer than 11 discharges are not published by CMS.

Diagnosis groupDRGDischargesAvg. Medicare payment
Septicemia Or Severe Sepsis Without Mv >96 Hours With Mcc 871 333 $15,840
Respiratory Infections and Inflammations With Mcc 177 163 $13,344
Heart Failure and Shock With Mcc 291 125 $10,165
Simple Pneumonia and Pleurisy With Mcc 193 83 $10,552
Septicemia Or Severe Sepsis Without Mv >96 Hours Without Mcc 872 56 $7,608
Kidney and Urinary Tract Infections With Mcc 689 54 $9,288
Renal Failure With Cc 683 52 $6,686
Cardiac Arrhythmia and Conduction Disorders With Cc 309 47 $5,516
Kidney and Urinary Tract Infections Without Mcc 690 46 $5,910
Cellulitis Without Mcc 603 46 $6,455

Source: CMS Medicare Inpatient Hospitals by Provider and Service. Shows what the hospital admits Medicare patients for and what Medicare paid on average — not quality of care.

Common questions

What kind of practice is Greenwich Hospital?

Greenwich Hospital is a hospital in Greenwich, CT. That is the designation recorded for this NPI in the federal registry, where it is listed as “General Acute Care Hospital”.

NPI registry

What is Greenwich Hospital's address?

Greenwich Hospital is listed at 5 Perryridge Rd, Greenwich, CT 06830. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Greenwich Hospital?

The number on file is (203) 863-3000. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Greenwich Hospital's NPI number?

Greenwich Hospital's National Provider Identifier is 1609846088. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.

NPI registry

Has Greenwich Hospital confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Greenwich Hospital. If this is you, claiming it is free.

Guide.md

Is this your practice?

Manage this listing? Log in or create an account, then click “This is my practice and I manage it” here. A verified physician whose registry address matches this location is approved instantly; everyone else is reviewed by a person.

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