IndividualActive
Joanne Duffy
NPI 1821307380 · Early Intervention Provider Agency · Staten Island, NY
Joanne Duffy is a Early Intervention Provider Agency provider in Staten Island, NY (NPI 1821307380).
Provider details
- NPI number
- 1821307380
- Entity type
- Individual
- Primary specialty
- Early Intervention Provider AgencyAgencies
- Sex
- Female
- Sole proprietor
- Yes
- License
- 010089-1 (NY)
Specialties & taxonomies
Agencies
Profile Score
Detailed profile(83/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
40 Merrill Ave
Staten Island, NY 10314-3312
Phone: (718) 370-7529
Street-level locationGet directions
Mailing address
200 Harvest Ave
Staten Island, NY 10310-2816
Registry dates
- Enumerated
- 2010-10-01
- Last updated
- 2010-10-01
Frequently asked questions
- What is Joanne Duffy's NPI number?
- Joanne Duffy's National Provider Identifier (NPI) is 1821307380, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joanne Duffy's specialty?
- Joanne Duffy is listed in the NPPES registry with a primary specialty of Early Intervention Provider Agency (Agencies).
- Where is Joanne Duffy located?
- Joanne Duffy's practice location on file with NPPES is 40 Merrill Ave, Staten Island, NY 10314-3312.
- What is Joanne Duffy's phone number?
- The practice phone number listed in the NPPES registry for Joanne Duffy is (718) 370-7529.
- Is Joanne Duffy's NPI active?
- Yes — Joanne Duffy's NPI (1821307380) is active in the NPPES registry as of the last update on 2010-10-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.