Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

CONSTANTINA N KASS PH.D
NPI 1265688709
Psychologist in Mc Lean, VA

Active since August 15, 2008
1390 CHAIN BRIDGE RD # 305, MC LEAN, VA 22101(703) 297-1632 Get Directions Write a Review

NPPES record last updated: October 7, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Constantina N Kass Ph.d NPPES

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

CONSTANTINA N KASS PH.D (NPI 1265688709) is an individual psychologist in Mc Lean, Virginia, licensed in Virginia (26-1662010) and active in the NPI registry since August 2008. She maintains a secondary practice location in Wood Dale.

NPPES Registry Identity

NPI1265688709
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameCONSTANTINA N KASSCredential: PH.D
Location Address1390 CHAIN BRIDGE RD # 305Mc Lean, VA 22101-3904
Mailing Address305 S Cedar AveWood Dale, IL 60191-2211 · (703) 297-1632
Sole ProprietorYes
Enumeration DateAugust 15, 2008
Last NPPES UpdateOctober 7, 2026
NPPES CertifiedOctober 7, 2026
✔ NPI 1265688709 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 · 26-1662010
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.
1390 CHAIN BRIDGE RD # 305, Mc Lean, VA 22101

Secondary Practice Location 1

Location 1305 S Cedar AveWood Dale, IL 60191-2211 · Phone (703) 297-1632

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 Constantina Kass's NPI number?

The NPI number for Constantina Kass is 1265688709. It was assigned to this individual provider in the NPPES registry on August 15, 2008.

Where is Constantina Kass located?

Constantina Kass practices at 1390 Chain Bridge Rd # 305, Mc Lean, VA 22101. The listed phone number is (703) 297-1632.

What is Constantina Kass'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 Constantina Kass was last updated on October 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.