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

Kristina T Grehan

Individual provider Family Nurse Practitioner · NPI 1992138218

Kristina T Grehan is a Nurse Practitioner in Syosset, New York. Qualified in 2013, 13 years ago. Practices with North Shore Hematology Oncology Associates PC, a 473-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
13
Licensed in
NY
In the registry since
2013
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Practice location Address checks out

2 Spruce Park
Syosset, NY 11791-4213
Phone: (516) 496-2932
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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 F338161-1 (NY)

Record details

NPI number1992138218
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedAugust 11, 2013
Last updated in NPPESAugust 11, 2013

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Group practice North Shore Hematology Oncology Associates Pc — 473 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Syosset