Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 30 days.

HELEN THAI PHD
NPI 1215858691
Psychologist in Boston, MA

Active since July 22, 2026
1 BOWDOIN SQ, BOSTON, MA 02114(613) 983-3379 Get Directions Write a Review

NPPES record added: July 22, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Helen Thai Phd NPPES

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

HELEN THAI PHD (NPI 1215858691) is an individual psychologist in Boston, Massachusetts and active in the NPI registry since July 2026.

NPPES Registry Identity

NPI1215858691
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameHELEN THAICredential: PHD
Location Address1 BOWDOIN SQBoston, MA 02114-2927
Mailing Address304 Gallantry WayStittsville, ONTARIO K2S0P8
Sole ProprietorNo
Enumeration DateJuly 22, 2026
NPPES CertifiedJuly 22, 2026
NPI 1215858691 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
Definition

A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.

1 BOWDOIN SQ, Boston, MA 02114

Other Providers at the Same Location NPPES 20

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

Psychologist
1 BOWDOIN SQ, 7TH FLOOR, OFFICE 744
BOSTON, MA 02114
Speech-Language Pathologist
1 BOWDOIN SQ, 11TH FLOOR
BOSTON, MA 02114
Psychiatry & Neurology (Psychiatry)
1 BOWDOIN SQ, 6TH FLOOR
BOSTON, MA 02114
Psychiatry & Neurology (Psychiatry)
1 BOWDOIN SQ
BOSTON, MA 02114
Otolaryngology
1 BOWDOIN SQ
BOSTON, MA 02114
Psychologist
1 BOWDOIN SQ, 7TH FLOOR
BOSTON, MA 02114
Student in an Organized Health Care Education/Training Program
1 BOWDOIN SQ, 7TH FLOOR
BOSTON, MA 02114
Student in an Organized Health Care Education/Training Program
1 BOWDOIN SQ, 7TH FLOOR
BOSTON, MA 02114

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 Helen Thai's NPI number?

The NPI number for Helen Thai is 1215858691. It was assigned to this individual provider in the NPPES registry on July 22, 2026.

Where is Helen Thai located?

Helen Thai practices at 1 Bowdoin Sq, Boston, MA 02114. The listed phone number is (613) 983-3379.

What is Helen Thai's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

When was this NPI record last updated?

The NPPES record for Helen Thai was last updated on July 22, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.