OrganizationActive
Greenwich Hospital
NPI 1245926401 · Clinical Medical Laboratory · Greenwich, CT
Greenwich Hospital is a Clinical Medical Laboratory organization in Greenwich, CT (NPI 1245926401).
Provider details
- NPI number
- 1245926401
- Entity type
- Organization
- Primary specialty
- Clinical Medical LaboratoryLaboratories
- Organization subpart
- No
- Authorized official
- Jonathan Davis, Exec Dir Revenue Cycle(203) 836-1094
Specialties & taxonomies
Laboratories
Profile Score
Established profile(59/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 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
5 Perryridge Rd
Greenwich, CT 06830-4608
Phone: (203) 863-3000
Street-level locationGet directions
Mailing address
100 Church St S # Mcs2
New Haven, CT 06519-1703
Other names (DBA / former)
- Other name
- Lab Specimen Greenwich Hospital
Registry dates
- Enumerated
- 2023-04-12
- Last updated
- 2025-12-02
- Certified
- 2025-12-02
Frequently asked questions
- What is Greenwich Hospital's NPI number?
- Greenwich Hospital's National Provider Identifier (NPI) is 1245926401, 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 Clinical Medical Laboratory (Laboratories).
- 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.
- Who is the authorized official for Greenwich Hospital?
- The authorized official listed on Greenwich Hospital's NPPES record is Jonathan Davis, Exec Dir Revenue Cycle. 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 (1245926401) is active in the NPPES registry as of the last update on 2025-12-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.