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

MS. Mary Ann Duffy

Individual provider School Registered Nurse · NPI 1003181876

MS. Mary Ann Duffy is a School Registered Nurse in Brooklyn, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2012

Practice location Address checks out

5301 20th Ave
Brooklyn, NY 11204-1729
Phone: (718) 377-8845
Show map & directions

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

Specialties & licences

School Registered Nurse (primary) Taxonomy 163WS0200X · Licence 3751761 (NY)

Record details

NPI number1003181876
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedMarch 13, 2012
Last updated in NPPESMarch 13, 2012

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