Ellyn Troisi, N.P.
NPI 1851692578 · Family Nurse Practitioner · Commack, NY
Ellyn Troisi, N.P. is a Family Nurse Practitioner provider in Commack, NY (NPI 1851692578).
Provider details
- NPI number
- 1851692578
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- N.P.
- Sex
- Female
- Sole proprietor
- Yes
- License
- F336345 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2010-11-11
- Last updated
- 2010-11-11
Frequently asked questions
- What is Ellyn Troisi's NPI number?
- Ellyn Troisi's National Provider Identifier (NPI) is 1851692578, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ellyn Troisi's specialty?
- Ellyn Troisi is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ellyn Troisi located?
- Ellyn Troisi's practice location on file with NPPES is 68 Hauppauge Rd, Commack, NY 11725-4403.
- What is Ellyn Troisi's phone number?
- The practice phone number listed in the NPPES registry for Ellyn Troisi is (631) 715-2644.
- Is Ellyn Troisi's NPI active?
- Yes — Ellyn Troisi's NPI (1851692578) is active in the NPPES registry as of the last update on 2010-11-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.