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
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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
Mailing address51 Eldred St, Lexington, MA 02420-1439

Other providers in Lowell