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

Dr. Mary Jane Ferrier, PHD

Individual provider Psychologist · NPI 1134288129

Dr. Mary Jane Ferrier, PHD is a Psychologist in Portland, Maine. Practices as a sole proprietor. Licensed in Maine.

Licensed in
ME
In the registry since
2006
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

19 S St Ste A
Portland, ME 04101-3963
Phone: (207) 774-7306
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PS672 (ME)

Record details

NPI number1134288129
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedDecember 6, 2006
Last updated in NPPESJuly 8, 2007

Other providers in Portland