Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

DR. DIANA JULIET COX PHD
NPI 1942123898
Psychologist in Boston, MA

Active since July 30, 2026
150 S HUNTINGTON AVE, BOSTON, MA 02130(857) 364-5839 Get Directions Write a Review

NPPES record added: July 30, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Diana Juliet Cox Phd NPPES

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

DR. DIANA JULIET COX PHD (NPI 1942123898) is an individual psychologist in Boston, Massachusetts, licensed in Virginia (0810009298) and active in the NPI registry since July 2026. She maintains a secondary practice location in Washington.

NPPES Registry Identity

NPI1942123898
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameDR. DIANA JULIET COXCredential: PHD
Location Address150 S HUNTINGTON AVEBoston, MA 02130-4817
Mailing Address150 S Huntington AveBoston, MA 02130-4817
Sole ProprietorNo
Enumeration DateJuly 30, 2026
NPPES CertifiedJuly 30, 2026
NPI 1942123898 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License Licensed in VA · 0810009298
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.
150 S HUNTINGTON AVE, Boston, MA 02130

Secondary Practice Location 1

Location 150 Irving St NWWashington, DC 20422-0001 · Phone (202) 461-4800

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 (Clinical)
150 S HUNTINGTON AVE, 116B-3
BOSTON, MA 02130
Social Worker (Clinical)
150 S HUNTINGTON AVE
BOSTON, MA 02130
Psychologist
150 S HUNTINGTON AVE
BOSTON, MA 02130
Internal Medicine (Hematology & Oncology)
150 S HUNTINGTON AVE, IIIHO
BOSTON, MA 02130
Registered Nurse
150 S HUNTINGTON AVE
BOSTON, MA 02130
Pharmacist
150 S HUNTINGTON AVE
BOSTON, MA 02130
Social Worker (Clinical)
150 S HUNTINGTON AVE
BOSTON, MA 02130
Psychologist (Clinical)
150 S HUNTINGTON AVE, VA BOSTON HEALTHCARE SYSTEM
BOSTON, MA 02130

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 Diana Cox's NPI number?

The NPI number for Diana Cox is 1942123898. It was assigned to this individual provider in the NPPES registry on July 30, 2026.

Where is Diana Cox located?

Diana Cox practices at 150 S Huntington Ave, Boston, MA 02130. The listed phone number is (857) 364-5839.

What is Diana Cox'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 Diana Cox was last updated on July 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 days 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.