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ONCOLOGY/HEMATOLOGY OF LOUDOUN AND RESTON, P.C.
NPI 1144325101
Internal Medicine - Medical Oncology in Lansdowne, VA

Active since September 14, 2006CLIA 49D2157312 · Accreditation
44055 RIVERSIDE PKWY, SUITE 224, LANSDOWNE, VA 20176(703) 858-3110(703) 858-3111 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Sep 11, 2025, Jul 21, 2022, Aug 22, 2020 (3 updates tracked since 2020).

About Oncology/hematology Of Loudoun And Reston, P.c. NPPES

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

ONCOLOGY/HEMATOLOGY OF LOUDOUN AND RESTON, P.C. (NPI 1144325101) is a healthcare organization registered as a medical oncology in Lansdowne, Virginia and active in the NPI registry since September 2006. The organization holds an CLIA Accreditation certificate valid through October 22, 2027 and lists Sarva Rajendra, Practice Administrator, as its authorized official.

NPPES Registry Identity

NPI1144325101
Entity TypeOrganization
Primary Taxonomy207RX0202X
Legal Business NameONCOLOGY/HEMATOLOGY OF LOUDOUN AND RESTON, P.C.
Location Address44055 RIVERSIDE PKWY, SUITE 224Lansdowne, VA 20176-5179
Mailing Address44055 Riverside Pkwy, Suite 224Lansdowne, VA 20176-5179 · (703) 858-3110 · Fax (703) 858-3111
Phone(703) 858-3110
Fax(703) 858-3111
Organization SubpartNo
Authorized OfficialSarva RajendraPractice Administrator · (703) 858-3110
Enumeration DateSeptember 14, 2006
Last NPPES UpdateSeptember 11, 20253 updates tracked since enumeration
✔ NPI 1144325101 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
Definition

An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.

Also ListedInternal Medicine · HematologyTaxonomy 207RH0000X
44055 RIVERSIDE PKWY, Lansdowne, VA 20176
Open in Google Maps ↗

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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Sanford Health Plan.Insurance ›

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Accreditation 49D2157312

American Oncology Partners, PA Dba Oncology/Hematology Of Loudoun & Reston · Lansdowne, VA
Active · expires Oct 22, 2027
CLIA Number49D2157312
Laboratory TypePhysician Office
Certificate Effective DateOctober 23, 2025
Certificate Expiration DateOctober 22, 2027
Laboratory DirectorDr. Rangappa Rejandra
Laboratory Phone(703) 858-3110
Laboratory LocationAmerican Oncology Partners, PA Dba Oncology/Hematology Of Loudoun & Reston44055 Riverside Parkway, Suite 224, Lansdowne, VA 20176
CLIA data matches this NPI record on: Address Phone
This is a certificate that is issued to a laboratory on the basis of the laboratory's accreditation by an accreditation organization approved by CMS.

Other Providers at the Same Location NPPES 20

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

CECIL BERNARD CROSS MD
Surgery
44055 RIVERSIDE PKWY, SUITE 246
LEESBURG, VA 20176
Loudoun County (703) 858-3200
MRS. MEGAN FRANKLIN PIROWSKI RN, NP
Nurse Practitioner (Acute Care)
44055 RIVERSIDE PKWY
LEESBURG, VA 20176
Loudoun County (703) 858-8878
STEVEN SMITH
Obstetrics & Gynecology
44055 RIVERSIDE PKWY, SUITE 234
LEESBURG, VA 20176
Loudoun County (703) 858-8100
DR. DANIELLE MARIE HAFER BAKER
Anesthesiology
44055 RIVERSIDE PKWY
LEESBURG, VA 20176
Loudoun County (703) 858-8922
AMMAR ALSAHRAWI
Specialist/Technologist, Other (Surgical Assistant)
44055 RIVERSIDE PKWY
LEESBURG, VA 20176
Loudoun County (703) 858-6579
DR. MRUNALINI A CHAKURKAR M.D.
Internal Medicine (Pulmonary Disease)
44055 RIVERSIDE PKWY, SUITE 204
LANSDOWNE, VA 20176
Loudoun County (703) 858-3333
NEHAL JAIN D.P.T.
Physical Therapist
44055 RIVERSIDE PKWY, 118
LEESBURG, VA 20176
Loudoun County (703) 858-3100
TIMOTHY REINALDO MD
Anesthesiology
44055 RIVERSIDE PKWY
LEESBURG, VA 20176
Loudoun County (703) 858-8922

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 Oncology/Hematology Of Loudoun And Reston, P.C.'s NPI number?

The NPI number for Oncology/Hematology Of Loudoun And Reston, P.C. is 1144325101. It was assigned to this organization in the NPPES registry on September 14, 2006.

Where is Oncology/Hematology Of Loudoun And Reston, P.C. located?

Oncology/Hematology Of Loudoun And Reston, P.C. is located at 44055 Riverside Pkwy Suite 224, Lansdowne, VA 20176. The listed phone number is (703) 858-3110.

What is Oncology/Hematology Of Loudoun And Reston, P.C.'s specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Does Oncology/Hematology Of Loudoun And Reston, P.C. hold a CLIA laboratory certificate?

Yes. A Certificate of Accreditation (number 49D2157312) is associated with this NPI, valid through October 22, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Oncology/Hematology Of Loudoun And Reston, P.C. accept?

Health plans from Sanford Health Plan list Oncology/Hematology Of Loudoun And Reston, P.C. as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Oncology/Hematology Of Loudoun And Reston, P.C. was last updated on September 11, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.