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

Dionne Winchester, NP

Individual provider Adult Health Nurse Practitioner · NPI 1902520356

Dionne Winchester, NP is a Nurse Practitioner in Smithtown, New York. Graduated from State University of New York at Stony Brook, School of Medicine in 2022, 4 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
4
Trained at
State University of New York at Stony Brook, School of Medicine
Licensed in
NY
In the registry since
2022
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

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Practice location Address checks out

48 Route 25A Ste 209
Smithtown, NY 11787-1449
Phone: (631) 751-3000
Fax: (631) 751-0506
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Adult Health Nurse Practitioner (primary) Taxonomy 363LA2200X · Licence 310934 (NY)

Record details

NPI number1902520356
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorYes
NPI enumeratedSeptember 29, 2022
Last updated in NPPESSeptember 29, 2022
Certification dateSeptember 29, 2022

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 2022 (4 years in practice)
Group practice North Shore Hematology Oncology Associates Pc — 473 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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