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

Margaret Stienstra

Individual provider Psychologist · NPI 1891117461

Margaret Stienstra is a Psychologist in Harwich Port, Massachusetts. Registered with an NPI since 2014.

In the registry since
2014

Practice location Address checks out

466 Main St Child & Family Services
Harwich Port, MA 02646-1604 Not confirmed with CMS for 12 years — call before visiting
Phone: (508) 576-9444
Show map & directions

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X

Record details

NPI number1891117461
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedJanuary 15, 2014
Last updated in NPPESJanuary 15, 2014