DR. CYNTHIA ELIZABETH KILLOUGH PSYD
NPI 1164636684
Psychologist in Washington, DC

Active since May 10, 2007
1700 CONNECTICUT AVE NW, SUITE 410, WASHINGTON, DC 20009(202) 483-1488 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Cynthia Elizabeth Killough Psyd NPPES

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

DR. CYNTHIA ELIZABETH KILLOUGH PSYD (NPI 1164636684) is an individual psychologist in Washington, District Of Columbia, licensed in Maryland (03950) and active in the NPI registry since May 2007.

NPPES Registry Identity

NPI1164636684
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameDR. CYNTHIA ELIZABETH KILLOUGHCredential: PSYD
Location Address1700 CONNECTICUT AVE NW, SUITE 410Washington, DC 20009-1134
Mailing Address1704 14th St SArlington, VA 22204-4723 · (703) 989-9486
Sole ProprietorYes
Enumeration DateMay 10, 2007
Last NPPES UpdateSeptember 11, 2025
NPI 1164636684 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License Licensed in MD · 03950
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.
Also ListedPsychologist · ClinicalTaxonomy 103TC0700X · License 1000221 (DC)
1700 CONNECTICUT AVE NW, Washington, DC 20009

Other Providers at the Same Location NPPES

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

Social Worker (Clinical)
1700 CONNECTICUT AVE NW, SUITE 401
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 Cynthia Killough's NPI number?

The NPI number for Cynthia Killough is 1164636684. It was assigned to this individual provider in the NPPES registry on May 10, 2007.

Where is Cynthia Killough located?

Cynthia Killough practices at 1700 Connecticut Ave NW Suite 410, Washington, DC 20009. The listed phone number is (202) 483-1488.

What is Cynthia Killough'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 Cynthia Killough was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.