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

Thomas J Harrison, FNP-C

Individual provider Registered Nurse · NPI 1083642938

Thomas J Harrison, FNP-C is a Nurse Practitioner in West Islip, New York. Graduated from State University of New York at Stony Brook, School of Medicine in 2005, 21 years ago. Practices with North Shore-Lij Medical PC, a 6,350-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
21
Trained at
State University of New York at Stony Brook, School of Medicine
Licensed in
NY
In the registry since
2006
Specialties on file
2
What do these letters mean?
FNP-C — Family Nurse Practitioner, Certified
A family nurse practitioner certified by the AANP.

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Practice location Address checks out

540 Union Blvd
West Islip, NY 11795-3105
Phone: (631) 669-2555
Fax: (631) 669-5787
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence F334847 (NY)
Registered Nurse Taxonomy 163W00000X · Licence F334847 (NY)

Record details

NPI number1083642938
Entity typeIndividual (Type 1)
GenderMale
Credentials FNP-C
Sole proprietorNo
NPI enumeratedJune 29, 2006
Last updated in NPPESDecember 11, 2014
Mailing addressPo Box 1609, Port Washington, NY 11050-7609

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolSTATE UNIVERSITY OF NEW YORK AT STONY BROOK, SCHOOL OF MEDICINE
Graduated 2005 (21 years in practice)
Group practice North Shore-Lij Medical Pc — 6350 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in West Islip