NPIMap

Organization Active NPI

Loudoun Medical Group, PC

  • Urgent Care Clinic/Center
  • Leesburg, VA
National Provider Identifier
1992640692
Registry record updated Apr 21, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Urgent Care Clinic/CenterTaxonomy code 261QU0200X
Legal business name
LOUDOUN MEDICAL GROUP, PC
Practice address
211 Gibson Street, NW, Suite 215
Leesburg, VA 20176-2115
Phone
(571) 707-2085
NPI assigned
Apr 21, 2026
Organization subpart
Yes
Parent organization
LOUDOUN MEDICAL GROUP, PCAs reported in NPPES

NPPES NPI Registry

Updated by the provider on Apr 21, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name
Mary Beth Tamasy
Title
Ceo
Phone
(703) 737-6010

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Urgent Care Clinic/Center 261QU0200X Primary

Addresses

Primary practice location

211 Gibson Street, NW, Suite 215
Leesburg, VA 20176-2115

Mailing address

224D Cornwall St NW Ste 403
Leesburg, VA 20176-2704
Phone (703) 737-6010

Other names 1

  • LMG Cornwall Urgent Care Doing business as

National Provider Directory

National Provider Directory
Tax ID family
Walter M Obrien MD305 organizations share this tax ID, including this one
Part of
Walter M Obrien MD

Organizations with this tax ID in the same state 13

This tax ID family is large, so up to 24 of its organizations in the same state are linked here.

View all 13

Ownership & related parties

Parent organization (reported in NPPES) 1

This organization reports itself as a subpart in NPPES; the parent’s legal name matches this organization in the same state.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1776729600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1776729600000",
    "number": "1992640692",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "224D CORNWALL ST NW STE 403",
            "city": "LEESBURG",
            "state": "VA",
            "postal_code": "201762704",
            "telephone_number": "703-737-6010"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "211 GIBSON STREET, NW, SUITE 215",
            "city": "LEESBURG",
            "state": "VA",
            "postal_code": "201762115",
            "telephone_number": "571-707-2085"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "LOUDOUN MEDICAL GROUP, PC",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "LOUDOUN MEDICAL GROUP, PC",
        "enumeration_date": "2026-04-21",
        "last_updated": "2026-04-21",
        "certification_date": "2026-04-21",
        "status": "A",
        "authorized_official_last_name": "TAMASY",
        "authorized_official_first_name": "MARY BETH",
        "authorized_official_title_or_position": "CEO",
        "authorized_official_telephone_number": "703-737-6010"
    },
    "taxonomies": [
        {
            "code": "261QU0200X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Urgent Care",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "LMG Cornwall Urgent Care",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Leesburg, VA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 21, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.