Overview
John Feigert is a Hematologist and an Oncologist in Leesburg, Virginia. Dr. Feigert is rated as an Experienced provider by MediFind in the treatment of T-Cell Lymphoma. His top areas of expertise are Myelodysplastic Syndrome (MDS), Familial Colorectal Cancer, Multiple Myeloma, and Chronic Lymphocytic Leukemia (CLL).
His clinical research consists of co-authoring 3 peer reviewed articles. MediFind looks at clinical research from the past 15 years.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- HMO
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE SNP
- HMO
- POS
- PPO
- OTHER MEDICARE
- OTHER MEDICARE PART D
- EPO
- HMO
- PPO
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- POS
- HMO
- INDEMNITY
- POS
- PPO
- EPO
- POS
- PPO
- HMO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER MEDICARE
- POS
- PPO
- OTHER MANAGED MEDICAID
- OTHER MEDICAID
- STATE MEDICAID
- HMO
- POS
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE ASSISTANCE PROGRAM
- MEDICARE MAPD
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- EPO
- HMO
- POS
- PPO
- EPO
- PPO
- MEDICARE DISCOUNT CARD
- MEDICARE PDP
- OTHER MEDICARE
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
44035 Riverside Pkwy, Suite 300, Leesburg, VA 20176
1635 N George Mason Dr, Suite 170, Arlington, VA 22205
Additional Areas of Focus
Dr. Feigert has provided the following conditions as areas of focus. Please note that we may not have enough data to validate their experience in some of these conditions.
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
Sidney Kimmel Comprehensive Cancer Center
Richard F. Ambinder, M.D., Ph.D., currently serves as the James B. Murphy Professor of Oncology and the Director of the Division of Hematologic Malignancies at the Johns Hopkins Kimmel Cancer Center. He is program co-leader of the Hematologic Malignancies and Bone Marrow Transplantation Program and leads the AIDS Malignancy Consortium (AMC) site at Johns Hopkins and the AMC Translational Sciences Working Group nationally. Dr. Ambinder graduated from Harvard College with a Bachelor’s degree in biochemistry, after which he received his medical degree from the Johns Hopkins University School of Medicine before completing his residency at the Johns Hopkins Hospital. He also earned his Ph.D. in pharmacology from the Johns Hopkins University, and completed his oncology fellowship at Johns Hopkins. Within the clinic, Dr. Ambinder is active in the treatment of lymphoma and Kaposi’s sarcoma. Dr. Ambinder’s research is focused on exploring opportunities to prevent or treat cancer with viral infections. Virus-associated tumors are among the most common malignancies in certain populations and regions. For instance, Burkitt's lymphoma (EBV) and Kaposi's sarcoma (KSHV) are common in equatorial Africa, nasopharyngeal carcinoma (EBV) is common in southern Chinese populations or those with southern Chinese origins, and immunoblastic lymphomas (EBV) are common in immunocompromised patients (organ transplant recipients, AIDS patients, etc). Thus, Dr. Ambinder’s new approaches to prevention, diagnosis, and treatment stand to have a direct impact on the lives of cancer patients around the globe. Additionally, the study of how viruses can impact these tumors is important in creating model systems for the development of new approaches to cancer care. Currently, many immunotherapies target unidentified antigens, making the measurement of relevant immune responses problematic at best. However, in EBV-associated tumors the antigens are well defined, thus allowing the Ambinder lab to define the epitope-specific cellular immune responses. As a result of this breakthrough, interventions designed to alter immune response —whether they be vaccine based interventions, adoptive immunotherapy interventions, or pharmacologic interventions — may all be assessed in terms of relevant surrogate markers. Much in the same way the treatment of Hodgkin's lymphoma with radiotherapy and chemotherapy paved the way for the modern approach to cancer treatment more broadly, the treatment of EBV-associated tumors (including Hodgkin's lymphoma) may pave the way to the more generalized use of these modalities to treat a myriad of cancer types. Dr. Ambinder is rated as an Elite provider by MediFind in the treatment of T-Cell Lymphoma. His top areas of expertise are Hodgkin Lymphoma, Non-Hodgkin Lymphoma, B-Cell Lymphoma, Tissue Biopsy, and Bone Marrow Aspiration.
Sibley Memorial Hospital
Khaled M. El-Shami, M.B.Ch.B., Ph.D., is a medical oncologist at Johns Hopkins Kimmel Cancer Center at Sibley Memorial Hospital, as well as an assistant professor of oncology in the Division of Hematologic Malignancies at Johns Hopkins University School of Medicine. Listen to Dr. El-Shami's Cancer Matters podcast episode to learn more about his work. Dr. El-Shami's clinical interests are in hematologic malignancies, including leukemias, lymphomas and myelomas.. Dr. El-Shami graduated from Alexandria University Faculty of Medicine in Alexandria, Egypt, where he did a residency in the Department of Neurosurgery. He was a Chevening Scholar as a M.S. student in molecular genetics at the University of Sussex in the United Kingdom, as well as a Sam Cohen Windhoek Scholar as a Ph.D. student in cancer immunology at the Weizmann Institute in Israel. Dr. El-Shami also completed a residency in internal medicine at George Washington University School of Medicine, a fellowship in tumor immunology and biology at the National Cancer Institute, and a fellowship in medical oncology at Johns Hopkins University School of Medicine. Dr. El-Shami previously served as faculty at Georgetown University and George Washington University. Dr. El-Shami has been named a Top Doctor by Washingtonian Magazine for several years. Dr. El-Shami is a member of the American Association for Advancement of Science, the American Association of Cancer Research, the American Association of Immunologists, the American Society for Gene Therapy and the American Society of Clinical Oncology. Dr. El-Shami's research focus is on hematologic malignancies, including acute and chronic leukemias, myelodysplastic syndromes, myeloprolifetive neplasms and lymphomas. He has received the National Institutes of Health Clinical Research Scholars Award, an American Medical Association Seed Grant and an American Society of Clinical Oncology Merit Award. Dr. El is rated as a Distinguished provider by MediFind in the treatment of T-Cell Lymphoma. His top areas of expertise are Large-Cell Immunoblastic Lymphoma, Acute Myeloid Leukemia (AML), Myelodysplastic Syndrome (MDS), Acute Myeloblastic Leukemia without Maturation, and Bone Marrow Aspiration.
University Of Maryland Oncology Associates PA
Djordje Atanackovic is a Hematologist and a Hematologist Oncology provider in Baltimore, Maryland. Dr. Atanackovic is rated as a Distinguished provider by MediFind in the treatment of T-Cell Lymphoma. His top areas of expertise are Multiple Myeloma, Smoldering Multiple Myeloma, T-Cell Lymphoma, Bone Marrow Transplant, and Bone Marrow Aspiration.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Distinguished
- Adult Soft Tissue SarcomaDr. Feigert isDistinguished. Learn about Adult Soft Tissue Sarcoma.
- Chronic Lymphocytic Leukemia (CLL)Dr. Feigert isDistinguished. Learn about Chronic Lymphocytic Leukemia (CLL).
- Clear Cell SarcomaDr. Feigert isDistinguished. Learn about Clear Cell Sarcoma.
- Colorectal CancerDr. Feigert isDistinguished. Learn about Colorectal Cancer.
- Familial Colorectal CancerDr. Feigert isDistinguished. Learn about Familial Colorectal Cancer.
- Familial Prostate CancerDr. Feigert isDistinguished. Learn about Familial Prostate Cancer.
- Advanced
- Adult Immune ThrombocytopeniaDr. Feigert isAdvanced. Learn about Adult Immune Thrombocytopenia.
- AgranulocytosisDr. Feigert isAdvanced. Learn about Agranulocytosis.
- Anal CancerDr. Feigert isAdvanced. Learn about Anal Cancer.
- Antiphospholipid SyndromeDr. Feigert isAdvanced. Learn about Antiphospholipid Syndrome.
- Autoimmune Hemolytic AnemiaDr. Feigert isAdvanced. Learn about Autoimmune Hemolytic Anemia.
- Bladder CancerDr. Feigert isAdvanced. Learn about Bladder Cancer.
- Experienced
- Acute Eosinophilic PneumoniaDr. Feigert isExperienced. Learn about Acute Eosinophilic Pneumonia.
- Acute Lymphoblastic Leukemia (ALL)Dr. Feigert isExperienced. Learn about Acute Lymphoblastic Leukemia (ALL).
- Acute Myeloblastic Leukemia with Maturation
- Acute Myeloblastic Leukemia without Maturation
- Acute Myeloid Leukemia (AML)Dr. Feigert isExperienced. Learn about Acute Myeloid Leukemia (AML).
- Acute Myelomonocytic LeukemiaDr. Feigert isExperienced. Learn about Acute Myelomonocytic Leukemia.

