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

Individual provider Family Nurse Practitioner · NPI 1255731501

Mrs. Keisha Antoinette Mahoney, FNP is a Nurse Practitioner in Smithtown, New York. Qualified in 2014, 12 years ago. Practices with Fulton Medical PC, a 19-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
12
Licensed in
NY
In the registry since
2014
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

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Practice location Address checks out

20 Steven Pl
Smithtown, NY 11787-5423
Phone: (516) 754-0073
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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 33339112 (NY)

Record details

NPI number1255731501
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorYes
NPI enumeratedAugust 23, 2014
Last updated in NPPESAugust 23, 2014

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice Fulton Medical Pc — 19 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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