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

Mary Gaynor, FNP

Individual provider Family Nurse Practitioner · NPI 1356782742

Mary Gaynor, FNP is a Family Nurse Practitioner in Buffalo, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2013
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

100 High St
Buffalo, NY 14203-1126
Phone: (716) 859-2401
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Registered Nurse (primary) Taxonomy 163W00000X · Licence 630917 (NY)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence F338183 (NY)

Record details

NPI number1356782742
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorYes
NPI enumeratedJuly 12, 2013
Last updated in NPPESApril 7, 2016

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