MARY KATHRYN DEACON
NPI 1841918588
Psychologist in Arlington, VA

Active since August 18, 2022Opted out of Medicare · through Nov 18, 2026
2200 WILSON BLVD, ARLINGTON, VA 22201(703) 539-5006 Get Directions Write a Review

NPPES record last updated: August 18, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mary Kathryn Deacon NPPES

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

MARY KATHRYN DEACON (NPI 1841918588) is an individual psychologist in Arlington, Virginia and active in the NPI registry since August 2022. She has opted out of Medicare through November 18, 2026.

NPPES Registry Identity

NPI1841918588
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameMARY KATHRYN DEACON
Location Address2200 WILSON BLVDArlington, VA 22201-3397
Mailing Address2200 Wilson BlvdArlington, VA 22201-3397
Sole ProprietorYes
Enumeration DateAugust 18, 2022
NPPES CertifiedAugust 18, 2022
NPI 1841918588 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
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.
2200 WILSON BLVD, Arlington, VA 22201

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Opted out of Medicare

Mary Kathryn Deacon has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from November 18, 2022 through November 18, 2026.

Opt-Out Effective DateNovember 18, 2022
Opt-Out In Effect ThroughNovember 18, 2026Opt-out affidavits renew automatically every two years unless cancelled

Other Providers at the Same Location NPPES 8

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

Counselor (Mental Health)
2200 WILSON BLVD, SUITE 412
ARLINGTON, VA 22201
Clinical Neuropsychologist
2200 WILSON BLVD, SUITE 401
ARLINGTON, VA 22201
Dietitian, Registered
2200 WILSON BLVD, SUITE 412
ARLINGTON, VA 22201
Clinical Neuropsychologist
2200 WILSON BLVD, SUITE 401
ARLINGTON, VA 22201
Behavior Technician
2200 WILSON BLVD
ARLINGTON, VA 22201
Family Medicine
2200 WILSON BLVD, SUITE 102-251
ARLINGTON, VA 22201
Clinical Neuropsychologist
2200 WILSON BLVD, SUITE 401
ARLINGTON, VA 22201
Psychologist
2200 WILSON BLVD, SUITE 412
ARLINGTON, VA 22201

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 Mary Kathryn Deacon's NPI number?

The NPI number for Mary Kathryn Deacon is 1841918588. It was assigned to this individual provider in the NPPES registry on August 18, 2022.

Where is Mary Kathryn Deacon located?

Mary Kathryn Deacon practices at 2200 Wilson Blvd, Arlington, VA 22201. The listed phone number is (703) 539-5006.

What is Mary Kathryn Deacon's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

Is Mary Kathryn Deacon enrolled in Medicare?

No. Mary Kathryn Deacon has opted out of Medicare through November 18, 2026. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Mary Kathryn Deacon was last updated on August 18, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.