LOUDOUN MEDICAL GROUP, PC
NPI 1164546529
Internal Medicine - Infectious Disease in Leesburg, VA

Active since March 19, 2007
44035 RIVERSIDE PARKWAY, SUITE 440, LEESBURG, VA 20176(703) 858-9966(703) 858-9177 Get Directions Write a Review

NPPES record last updated: November 20, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Nov 20, 2025, Sep 20, 2022, Mar 12, 2022 and 1 more (4 updates tracked since 2021).

About Loudoun Medical Group, Pc NPPES

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

LOUDOUN MEDICAL GROUP, PC (NPI 1164546529), doing business as Infectious Diseases, Tropical Medicine & Travel Clinic, is a healthcare organization registered as an infectious disease in Leesburg, Virginia and active in the NPI registry since March 2007. The organization maintains a secondary practice location in Alexandria and lists Mary Beth Tamasy, Ceo, as its authorized official.

NPPES Registry Identity

NPI1164546529
Entity TypeOrganization
Primary Taxonomy207RI0200X
Legal Business NameLOUDOUN MEDICAL GROUP, PC
Location Address44035 RIVERSIDE PARKWAY, SUITE 440Leesburg, VA 20176-8260
Mailing Address224d Cornwall St Nw Ste 403Leesburg, VA 20176-2704 · (703) 737-6001 · Fax (571) 291-9786
Fax(703) 858-9177
Organization SubpartYes
Authorized OfficialMary Beth TamasyCeo · (703) 737-6010
Enumeration DateMarch 19, 2007
Last NPPES UpdateNovember 20, 20254 updates tracked since enumeration
NPPES CertifiedNovember 20, 2025
NPI 1164546529 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
44035 RIVERSIDE PARKWAY, SUITE 440, Leesburg, VA 20176

Other Names 1

Doing Business AsInfectious Diseases, Tropical Medicine & Travel Clinic

Secondary Practice Location 1

Location 14320 Seminary RdAlexandria, VA 22304-1535 · Phone (703) 504-3000

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE 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.

Internal Medicine
44035 RIVERSIDE PARKWAY, SUITE 440
LEESBURG, VA 20176

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 1164546529. It was assigned to this organization in the NPPES registry on March 19, 2007. The provider is doing business as Infectious Diseases, Tropical Medicine & Travel Clinic.

Where is Loudoun Medical Group, PC located?

Loudoun Medical Group, PC is located at 44035 Riverside Parkway, Suite 440, Leesburg, VA 20176. The listed phone number is (703) 858-9966.

What is Loudoun Medical Group, PC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

When was this NPI record last updated?

The NPPES record for Loudoun Medical Group, PC was last updated on November 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.