Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Eileen Alessandro, NP

Individual provider Family Nurse Practitioner · NPI 1649601758

Eileen Alessandro, NP is a Nurse Practitioner in West Islip, New York. Qualified in 2010, 16 years ago. Practices with St Francis Hospital, a 98-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
16
Licensed in
NY
In the registry since
2013
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Practice location Address checks out

540 Union Blvd
West Islip, NY 11795-3105
Phone: (631) 669-2555
Fax: (631) 669-5787
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence F336476-1 (NY)

Record details

NPI number1649601758
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedNovember 29, 2013
Last updated in NPPESApril 12, 2017
Mailing address540 Union Blvd, West Islip, NY 11795-3105

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2010 (16 years in practice)
Group practice St Francis Hospital — 98 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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