Organization Active NPI

Oncology/Hematology of Loudoun and Reston, P.C.

  • Medical Oncology Physician
  • Lansdowne, VA
National Provider Identifier
1144325101
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Medical Oncology PhysicianTaxonomy code 207RX0202X
Legal business name
ONCOLOGY/HEMATOLOGY OF LOUDOUN AND RESTON, P.C.
Practice address
44055 Riverside Pkwy
Suite 224
Lansdowne, VA 20176-5179
Phone
(703) 858-3110
Fax
(703) 858-3111
NPI assigned
Sep 14, 2006
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

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

Authorized official

Name
Mrs. Sarva Rajendra
Title
Practice Administrator
Phone
(703) 858-3110

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Hematology (Internal Medicine) PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207RH0000X
Medical Oncology PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207RX0202X Primary

Addresses

Primary practice location

44055 Riverside Pkwy
Suite 224
Lansdowne, VA 20176-5179

Mailing address

44055 Riverside Pkwy
Suite 224
Lansdowne, VA 20176-5179
Phone (703) 858-3110

National Provider Directory

National Provider Directory

Locations

44045 Riverside Pkwy
Ste 224
Lansdowne, VA 20176

19500 Sandridge Way
Ste 450
Leesburg, VA 20176
Phone (703) 656-9805

19500 Sandridge Way
Ste 400
Leesburg, VA 20176
Phone (703) 723-5700

Practitioners & affiliated clinicians

Practitioners 2

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1158192000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1757548800000",
    "number": "1144325101",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "44055 RIVERSIDE PKWY",
            "address_2": "SUITE 224",
            "city": "LANSDOWNE",
            "state": "VA",
            "postal_code": "201765179",
            "telephone_number": "703-858-3110",
            "fax_number": "703-858-3111"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "44055 RIVERSIDE PKWY",
            "address_2": "SUITE 224",
            "city": "LANSDOWNE",
            "state": "VA",
            "postal_code": "201765179",
            "telephone_number": "703-858-3110",
            "fax_number": "703-858-3111"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "ONCOLOGY/HEMATOLOGY OF LOUDOUN AND RESTON, P.C.",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-09-14",
        "last_updated": "2025-09-11",
        "status": "A",
        "authorized_official_last_name": "RAJENDRA",
        "authorized_official_first_name": "SARVA",
        "authorized_official_title_or_position": "PRACTICE ADMINISTRATOR",
        "authorized_official_telephone_number": "703-858-3110",
        "authorized_official_name_prefix": "Mrs."
    },
    "taxonomies": [
        {
            "code": "207RH0000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Hematology",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RX0202X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Medical Oncology",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Lansdowne, VA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; 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.