IndividualActive
Ann Duffy
NPI 1366116378 · Social Worker · Greenfield, MA
Ann Duffy is a Social Worker provider in Greenfield, MA (NPI 1366116378).
Provider details
- NPI number
- 1366116378
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(55/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
83% 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
102 Main St
Greenfield, MA 01301-3275
Phone: (413) 774-6252
Street-level locationGet directions
Mailing address
58 Nash Rd
Cummington, MA 01026-9611
Registry dates
- Enumerated
- 2021-08-03
- Last updated
- 2021-08-03
- Certified
- 2021-07-23
Frequently asked questions
- What is Ann Duffy's NPI number?
- Ann Duffy's National Provider Identifier (NPI) is 1366116378, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ann Duffy's specialty?
- Ann Duffy is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Ann Duffy located?
- Ann Duffy's practice location on file with NPPES is 102 Main St, Greenfield, MA 01301-3275.
- What is Ann Duffy's phone number?
- The practice phone number listed in the NPPES registry for Ann Duffy is (413) 774-6252.
- Is Ann Duffy's NPI active?
- Yes — Ann Duffy's NPI (1366116378) is active in the NPPES registry as of the last update on 2021-08-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.