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

Kelly Costelloe-Sesti, PMHNP

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1942079009

Kelly Costelloe-Sesti, PMHNP is a Psychiatric/Mental Health Nurse Practitioner in Northport, New York. Licensed in New York. Registered with an NPI since 2023.

Licensed in
NY
In the registry since
2023
What do these letters mean?
PMHNP — Psychiatric-Mental Health Nurse Practitioner
A nurse practitioner specialising in mental health, able to prescribe psychiatric medication.

See every abbreviation used in this directory →

Practice location Address checks out

79 Middleville Rd
Northport, NY 11768-2200
Phone: (516) 507-9571
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence F405351-01 (NY)

Record details

NPI number1942079009
Entity typeIndividual (Type 1)
GenderFemale
Credentials PMHNP
Sole proprietorNo
NPI enumeratedDecember 29, 2023
Last updated in NPPESDecember 29, 2023
Certification dateDecember 29, 2023

Other providers in Northport