HELEN DEVINNEY
NPI 1821449356
Psychologist in Washington, DC

Active since June 27, 2016
1801 CONNECTICUT AVE NW, SUITE 400, WASHINGTON, DC 20009(410) 812-8648 Get Directions Write a Review

NPPES record last updated: June 27, 2016. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Helen Devinney NPPES

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

HELEN DEVINNEY (NPI 1821449356) is an individual psychologist in Washington, District Of Columbia, licensed in District Of Columbia (PSY1001097) and active in the NPI registry since June 2016.

NPPES Registry Identity

NPI1821449356
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameHELEN DEVINNEY
Location Address1801 CONNECTICUT AVE NW, SUITE 400Washington, DC 20009-5700
Mailing Address5415 Connecticut Ave Nw, Apt 813Washington, DC 20015-2765 · (410) 812-8648
Sole ProprietorYes
Enumeration DateJune 27, 2016
NPI 1821449356 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 DC · PSY1001097
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.
1801 CONNECTICUT AVE NW, Washington, DC 20009

Other Providers at the Same Location NPPES 5

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

Counselor (Mental Health)
1801 CONNECTICUT AVE NW, SUITE 300
WASHINGTON, DC 20009
Psychologist (Clinical)
1801 CONNECTICUT AVE NW
WASHINGTON, DC 20009
Counselor (Mental Health)
1801 CONNECTICUT AVE NW
WASHINGTON, DC 20009
Psychologist (Clinical)
1801 CONNECTICUT AVE NW, SUITE 400
WASHINGTON, DC 20009
Social Worker (Clinical)
1801 CONNECTICUT AVE NW, 4TH FLOOR
WASHINGTON, DC 20009

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 Devinney's NPI number?

The NPI number for Helen Devinney is 1821449356. It was assigned to this individual provider in the NPPES registry on June 27, 2016.

Where is Helen Devinney located?

Helen Devinney practices at 1801 Connecticut Ave NW Suite 400, Washington, DC 20009. The listed phone number is (410) 812-8648.

What is Helen Devinney'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 Devinney was last updated on June 27, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.