IndividualActive
James Duffy
NPI 1700443017 · Pharmacist · Greenwich, CT
James Duffy is a Pharmacist provider in Greenwich, CT (NPI 1700443017).
Provider details
- NPI number
- 1700443017
- Entity type
- Individual
- Primary specialty
- PharmacistPharmacy Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- PTC.0000584 (CT)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
Established profile(66/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 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 06830-4697
Phone: (203) 863-3108
Street-level locationGet directions
Mailing address
5 Perryridge Rd
Greenwich, CT 06830-4697
Registry dates
- Enumerated
- 2019-05-22
- Last updated
- 2019-05-22
Frequently asked questions
- What is James Duffy's NPI number?
- James Duffy's National Provider Identifier (NPI) is 1700443017, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Duffy's specialty?
- James Duffy is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
- Where is James Duffy located?
- James Duffy's practice location on file with NPPES is 5 Perryridge Rd, Greenwich, CT 06830-4697.
- What is James Duffy's phone number?
- The practice phone number listed in the NPPES registry for James Duffy is (203) 863-3108.
- Is James Duffy's NPI active?
- Yes — James Duffy's NPI (1700443017) is active in the NPPES registry as of the last update on 2019-05-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.