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

MS. Chelsea Mari Macdonald, FNP

Individual provider Family Nurse Practitioner · NPI 1952042277

MS. Chelsea Mari Macdonald, FNP is a Family Nurse Practitioner in West Islip, New York. Practices as a sole proprietor. Licensed in New York.

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 F348455-01 (NY)

Record details

NPI number1952042277
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorYes
NPI enumeratedApril 2, 2022
Last updated in NPPESApril 4, 2022
Certification dateApril 2, 2022

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