NPIMap

Loudoun Medical Group, PC

Organization Active NPI Obesity Medicine (Family Medicine) Physician · Gainesville, VA

NPI 1457061830 · NPPES record last updated Jan 8, 2026

Key facts

NPI
1457061830
Entity type
Organization (NPI type 2)
Primary specialty
Obesity Medicine (Family Medicine) Physician 207QB0002X
Legal business name
LOUDOUN MEDICAL GROUP, PC
Practice address
7564 Gardner Park Drive
Gainesville, VA 20155-3414
Phone
(571) 561-3400
Fax
(571) 248-0994
NPI assigned
Nov 28, 2022
Organization subpart
Yes
Parent organization (as reported)
LOUDOUN MEDICAL GROUP, PC

Authorized official

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

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.

Corporate family (same tax ID) 24

Organizations that report the same tax identification number in the National Provider Directory.

National Provider Directory

Tax ID family
Walter M Obrien MD (305 organizations share this tax ID)
Part of
Walter M Obrien MD

Locations

7564 Gardner Park Dr
Gainesville, VA 20155
Phone (571) 561-3400

Specialties & licenses

Specialty (taxonomy)CodeLicenseStatePrimary
Obesity Medicine (Family Medicine) Physician
Group: 193200000X MULTI-SPECIALTY GROUP		 207QB0002X Yes

Addresses

Primary practice location

7564 Gardner Park Drive
Gainesville, VA 20155-3414

Mailing address

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

Other names

  • Physicians Premiere Weight and Wellness Center Doing business as

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API JSON format, last updated by the provider on Jan 8, 2026.

{
    "created_epoch": "1669593600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1767830400000",
    "number": "1457061830",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "224-D CORNWALL STREET, NW, SUITE 403",
            "city": "LEESBURG",
            "state": "VA",
            "postal_code": "201762704",
            "telephone_number": "703-737-6010",
            "fax_number": "703-443-8643"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7564 GARDNER PARK DRIVE",
            "city": "GAINESVILLE",
            "state": "VA",
            "postal_code": "201553414",
            "telephone_number": "571-561-3400",
            "fax_number": "571-248-0994"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "LOUDOUN MEDICAL GROUP, PC",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "LOUDOUN MEDICAL GROUP, PC",
        "enumeration_date": "2022-11-28",
        "last_updated": "2026-01-08",
        "certification_date": "2026-01-08",
        "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": "207QB0002X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Family Medicine, Obesity Medicine",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Physicians Premiere Weight and Wellness Center",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Gainesville, VA

All providers in Gainesville, VA · Obesity Medicine (Family Medicine) Physician in Virginia

Sources for this page

Verify at the official NPI Registry.