Greenwich Hospital
NPI 1609846088 · General Acute Care Hospital · Greenwich, CT
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Greenwich Hospital is a General Acute Care Hospital organization in Greenwich, CT (NPI 1609846088).
Provider details
- NPI number
- 1609846088
- Entity type
- Organization
- Primary specialty
- General Acute Care HospitalHospitals
- Organization subpart
- No
- Authorized official
- Jacqueline Wrinn, Director(203) 688-8411
Specialties & taxonomies
Hospitals
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-26
- Last updated
- 2025-11-06
- Certified
- 2025-11-06
Frequently asked questions
- What is Greenwich Hospital's NPI number?
- Greenwich Hospital's National Provider Identifier (NPI) is 1609846088, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Greenwich Hospital?
- Greenwich Hospital is classified in the NPPES registry as General Acute Care Hospital (Hospitals).
- Where is Greenwich Hospital located?
- Greenwich Hospital's practice location on file with NPPES is 5 Perryridge Rd, Greenwich, CT 06830-4608.
- What is Greenwich Hospital's phone number?
- The practice phone number listed in the NPPES registry for Greenwich Hospital is (203) 863-3000.
- Does Greenwich Hospital accept Medicare?
- Greenwich Hospital is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Greenwich Hospital?
- The authorized official listed on Greenwich Hospital's NPPES record is Jacqueline Wrinn, Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Greenwich Hospital's NPI active?
- Yes — Greenwich Hospital's NPI (1609846088) is active in the NPPES registry as of the last update on 2025-11-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.