LOUDOUN MEDICAL GROUP, PC
NPI 1255278099
Psychologist in Sterling, VA

Active since April 30, 2026
22611 MARKEY CT STE 114-I, STERLING, VA 20166(703) 249-4828(703) 281-6888 Get Directions Write a Review

NPPES record last updated: April 30, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

About Loudoun Medical Group, Pc NPPES

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

LOUDOUN MEDICAL GROUP, PC (NPI 1255278099), doing business as Loudoun Psychiatry Group, is a healthcare organization registered as a psychologist in Sterling, Virginia and active in the NPI registry since April 2026. The organization lists Mary Beth Tamasy, Ceo, as its authorized official.

NPPES Registry Identity

NPI1255278099
Entity TypeOrganization
Primary Taxonomy103T00000X
Legal Business NameLOUDOUN MEDICAL GROUP, PC
Location Address22611 MARKEY CT STE 114-ISterling, VA 20166-6931
Mailing Address224d Cornwall Street, Nw, Suite 403Leesburg, VA 20176-2704 · (703) 737-6010
Fax(703) 281-6888
Organization SubpartYes
Authorized OfficialMary Beth TamasyCeo · (703) 737-6010
Enumeration DateApril 30, 2026
NPPES CertifiedApril 30, 2026
NPI 1255278099 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.
22611 MARKEY CT STE 114-I, Sterling, VA 20166

Other Names 1

Doing Business AsLoudoun Psychiatry Group

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Other Providers at the Same Location NPPES

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

Nurse Practitioner (Psychiatric/Mental Health)
22611 MARKEY CT STE 114-I
STERLING, VA 20166

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 Loudoun Medical Group, PC's NPI number?

The NPI number for Loudoun Medical Group, PC is 1255278099. It was assigned to this organization in the NPPES registry on April 30, 2026. The provider is doing business as Loudoun Psychiatry Group.

Where is Loudoun Medical Group, PC located?

Loudoun Medical Group, PC is located at 22611 Markey Ct Ste 114-I, Sterling, VA 20166. The listed phone number is (703) 249-4828.

What is Loudoun Medical Group, PC'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 Loudoun Medical Group, PC was last updated on April 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.