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

Marlene J Davis, PHD

Individual provider Clinical Psychologist · NPI 1780741561

Marlene J Davis, PHD is a Clinical Psychologist in Lowell, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2007
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 →

Practice location Address checks out

45 Merrimack St Ste 200
Lowell, MA 01852-1729
Phone: (978) 459-2306
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 576 (MA)

Record details

NPI number1780741561
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedJanuary 2, 2007
Last updated in NPPESJune 13, 2008

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