JOHN JOSEPH WARREN ED.D.
NPI 1669530945
Psychologist in Needham, MA

Active since December 05, 2006
23 RIVERSIDE ST # 3, NEEDHAM, MA 02494(617) 620-9711 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About John Joseph Warren Ed.d. NPPES

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

JOHN JOSEPH WARREN ED.D. (NPI 1669530945) is an individual psychologist in Needham, Massachusetts, licensed in Massachusetts (2604) and active in the NPI registry since December 2006.

NPPES Registry Identity

NPI1669530945
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameJOHN JOSEPH WARRENCredential: ED.D.
Location Address23 RIVERSIDE ST # 3Needham, MA 02494-3016
Mailing Address23 Riverside St # 3Needham, MA 02494-3016 · (617) 620-9711
Sole ProprietorYes
Enumeration DateDecember 5, 2006
Last NPPES UpdateJuly 8, 2007
NPI 1669530945 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 MA · 2604
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.
23 RIVERSIDE ST # 3, Needham, MA 02494

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 John Warren's NPI number?

The NPI number for John Warren is 1669530945. It was assigned to this individual provider in the NPPES registry on December 5, 2006.

Where is John Warren located?

John Warren practices at 23 Riverside St # 3, Needham, MA 02494. The listed phone number is (617) 620-9711.

What is John Warren'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 John Warren was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.