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

Individual provider Psychologist · NPI 1659650505

Dr. Holly A Parker, PHD is a Psychologist in Acton, Massachusetts. Practices as a sole proprietor. Licensed in New Hampshire.

Licensed in
NH
In the registry since
2011
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

100 Powdermill Rd Ste 191
Acton, MA 01720-5932
Phone: (978) 254-4226
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 1236 (NH)

Record details

NPI number1659650505
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedAugust 10, 2011
Last updated in NPPESMay 26, 2022
Certification dateMay 26, 2022

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