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

Theresa Abdul-Massih, FNP

Individual provider Nurse Practitioner · NPI 1619495942

Theresa Abdul-Massih, FNP is a Nurse Practitioner in New York, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2017
Specialties on file
2
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

241 W 57th St
New York, NY 10019-2121
Phone: (866) 389-2727
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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 F3421381 (NY)
Nurse Practitioner Taxonomy 363L00000X · Licence F342138-1 (NY)

Record details

NPI number1619495942
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorYes
NPI enumeratedSeptember 7, 2017
Last updated in NPPESSeptember 22, 2017

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