Erin Duffy, MA CF- SLP
NPI 1972050821 · Speech-Language Pathologist · Islip, NY
Erin Duffy, MA CF- SLP is a Speech-Language Pathologist provider in Islip, NY (NPI 1972050821).
Provider details
- NPI number
- 1972050821
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- MA CF- SLP
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Speech, Language and Hearing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
Mailing address
Registry dates
- Enumerated
- 2016-09-08
- Last updated
- 2016-09-08
Frequently asked questions
- What is Erin Duffy's NPI number?
- Erin Duffy's National Provider Identifier (NPI) is 1972050821, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Erin Duffy's specialty?
- Erin Duffy is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Erin Duffy located?
- Erin Duffy's practice location on file with NPPES is 252 Islip Ave, Islip, NY 11751-3029.
- What is Erin Duffy's phone number?
- The practice phone number listed in the NPPES registry for Erin Duffy is (631) 581-6800.
- Is Erin Duffy's NPI active?
- Yes — Erin Duffy's NPI (1972050821) is active in the NPPES registry as of the last update on 2016-09-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.