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

Theresa Whitaker, PHD

Individual provider Clinical Psychologist · NPI 1528664950

Theresa Whitaker, PHD is a Clinical Psychologist in Lexington, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2020.

Licensed in
MA
In the registry since
2020
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

1775 Massachusetts Ave Ste 3
Lexington, MA 02420-5322
Phone: (315) 404-9554
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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 11603 (MA)

Record details

NPI number1528664950
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedDecember 10, 2020
Last updated in NPPESAugust 15, 2025
Certification dateAugust 15, 2025
Mailing address1775 Massachusetts Ave Ste 3, Lexington, MA 02420-5322

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