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

Margaret Papanastassiou, NP

Individual provider Family Nurse Practitioner · NPI 1437361086

Margaret Papanastassiou, NP is a Family Nurse Practitioner in Leominster, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2007.

Licensed in
MA
In the registry since
2007
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Practice location Address checks out

79 Erdman Way Ste 101
Leominster, MA 01453-1805
Phone: (978) 537-4805
Fax: (987) 537-2185
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 149680 (MA)

Record details

NPI number1437361086
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedMay 4, 2007
Last updated in NPPESMay 12, 2020
Certification dateMay 12, 2020

Other providers in Leominster