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

Nancy Sullivan-O'Leary, FNP

Individual provider Family Nurse Practitioner · NPI 1902157464

Nancy Sullivan-O'Leary, FNP is a Family Nurse Practitioner in Boston, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2012.

Licensed in
MA
In the registry since
2012
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

125 Parker Hill Ave
Boston, MA 02120-2847
Phone: (671) 754-5495
Fax: (617) 754-6438
Show map & directions

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

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence RN202226 (MA)

Record details

NPI number1902157464
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorNo
NPI enumeratedSeptember 25, 2012
Last updated in NPPESSeptember 25, 2012

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