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

Diana Oneill, FNP

Individual provider Family Nurse Practitioner · NPI 1427109990

Diana Oneill, FNP is a Family Nurse Practitioner in Hewlett, New York. Licensed in New York. Registered with an NPI since 2007.

Licensed in
NY
In the registry since
2007
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

See every abbreviation used in this directory →

Practice location Address checks out

1436 Broadway
Hewlett, NY 11557-1405
Phone: (929) 210-6550
Fax: (929) 210-6551
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 F330067 (NY)

Record details

NPI number1427109990
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorNo
NPI enumeratedJanuary 12, 2007
Last updated in NPPESMarch 14, 2014

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