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

MS. Maryanne Olsen, LMFT, PHD

Individual provider Psychologist · NPI 1528122181

MS. Maryanne Olsen, LMFT, PHD is a Psychologist in New Milford, New Jersey. Practices as a sole proprietor. Licensed in New Jersey.

Licensed in
NJ
In the registry since
2006
Specialties on file
2
What do these letters mean?
LMFT — Licensed Marriage and Family Therapist
A therapist licensed to treat couples and families.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

740 Plympton St
New Milford, NJ 07646-2114
Phone: (201) 262-7544
Fax: (201) 262-7579
Show map & directions

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 37FI00121500 (NJ)
Marriage & Family Therapist Taxonomy 106H00000X · Licence 37FI00121500 (NJ)

Record details

NPI number1528122181
Entity typeIndividual (Type 1)
GenderFemale
Credentials LMFT , PHD
Sole proprietorYes
NPI enumeratedDecember 20, 2006
Last updated in NPPESSeptember 11, 2025