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THERESA WHITAKER PHD
NPI 1528664950
Psychologist - Clinical in Lexington, MA

Active since December 10, 2020
1775 MASSACHUSETTS AVE STE 3, LEXINGTON, MA 02420(315) 404-9554 Get Directions Write a Review

NPPES record last updated: August 15, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Aug 15, 2025, Jan 5, 2021, Dec 10, 2020 (3 updates tracked since 2020).

About Theresa Whitaker Phd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

THERESA WHITAKER PHD (NPI 1528664950) is an individual clinical provider in Lexington, Massachusetts, licensed in Massachusetts (11603) and active in the NPI registry since December 2020.

NPPES Registry Identity

NPI1528664950
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameTHERESA WHITAKERCredential: PHD
Location Address1775 MASSACHUSETTS AVE STE 3Lexington, MA 02420-5322
Mailing Address1775 Massachusetts Ave Ste 3Lexington, MA 02420-5322 · (315) 404-9554
Phone(315) 404-9554
Sole ProprietorNo
Enumeration DateDecember 10, 2020
Last NPPES UpdateAugust 15, 20253 updates tracked since enumeration
NPPES CertifiedAugust 15, 2025
✔ NPI 1528664950 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in MA · 11603
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
1775 MASSACHUSETTS AVE STE 3, Lexington, MA 02420
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Other Identifiers 1

Other00000000N/a

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ANGELIQUE KLEER MSN, APRN, PMHNP-BC
Nurse Practitioner (Psychiatric/Mental Health)
1775 MASSACHUSETTS AVE STE 3
LEXINGTON, MA 02420
Middlesex County (508) 203-1581

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Theresa Whitaker's NPI number?

The NPI number for Theresa Whitaker is 1528664950. It was assigned to this individual provider in the NPPES registry on December 10, 2020.

Where is Theresa Whitaker located?

Theresa Whitaker practices at 1775 Massachusetts Ave Ste 3, Lexington, MA 02420. The listed phone number is (315) 404-9554.

What is Theresa Whitaker's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

When was this NPI record last updated?

The NPPES record for Theresa Whitaker was last updated on August 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.