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

Sarah Anne Brennan, FNP

Individual provider Family Nurse Practitioner · NPI 1811638588

Sarah Anne Brennan, FNP is a Nurse Practitioner in West Islip, New York. Qualified in 2020, 6 years ago. Practices with Samaritan Medical Services PC, a 336-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
6
Licensed in
NY
In the registry since
2022
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

1000 Montauk Hwy
West Islip, NY 11795-4927
Phone: (631) 376-3000
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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 346431 (NY)

Record details

NPI number1811638588
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorNo
NPI enumeratedApril 5, 2022
Last updated in NPPESApril 5, 2022
Certification dateApril 5, 2022

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Samaritan Medical Services Pc — 336 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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