Kathleen Fanelli
NPI 1023833977 · Acute Care Nurse Practitioner · Port Jefferson, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathleen Fanelli is a Acute Care Nurse Practitioner provider in Port Jefferson, NY (NPI 1023833977).
Provider details
- NPI number
- 1023833977
- Entity type
- Individual
- Primary specialty
- Acute Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- F433058-01 (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
1 yr 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
- 2024-11-16
- Last updated
- 2025-03-20
- Certified
- 2025-03-20
Frequently asked questions
- What is Kathleen Fanelli's NPI number?
- Kathleen Fanelli's National Provider Identifier (NPI) is 1023833977, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathleen Fanelli's specialty?
- Kathleen Fanelli is listed in the NPPES registry with a primary specialty of Acute Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Kathleen Fanelli located?
- Kathleen Fanelli's practice location on file with NPPES is 75 N Country Rd, Port Jefferson, NY 11777-2119.
- What is Kathleen Fanelli's phone number?
- The practice phone number listed in the NPPES registry for Kathleen Fanelli is (631) 473-1320.
- Does Kathleen Fanelli accept Medicare?
- Kathleen Fanelli is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathleen Fanelli's NPI active?
- Yes — Kathleen Fanelli's NPI (1023833977) is active in the NPPES registry as of the last update on 2025-03-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.