Colette Duffy, LCSW
NPI 1447809553 · Clinical Social Worker · Boston, MA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Colette Duffy, LCSW is a Clinical Social Worker provider in Boston, MA (NPI 1447809553).
Provider details
- NPI number
- 1447809553
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- 223396 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
- 2019-09-11
- Last updated
- 2025-11-10
- Certified
- 2025-11-10
Frequently asked questions
- What is Colette Duffy's NPI number?
- Colette Duffy's National Provider Identifier (NPI) is 1447809553, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Colette Duffy's specialty?
- Colette Duffy is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Colette Duffy located?
- Colette Duffy's practice location on file with NPPES is 84 State St, Boston, MA 02109-2202.
- What is Colette Duffy's phone number?
- The practice phone number listed in the NPPES registry for Colette Duffy is (860) 788-6404.
- Does Colette Duffy accept Medicare?
- Colette Duffy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Colette Duffy's NPI active?
- Yes — Colette Duffy's NPI (1447809553) is active in the NPPES registry as of the last update on 2025-11-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.