Dr. James Xu received a bachelor of science in chemical engineering with a minor in mathematics from Brigham Young University and his medical degree from University of Minnesota. He completed his internal medicine residency at the Yale-New Haven Hospital of Yale University in New Haven, CT, and his hematology and medical oncology fellowship at the New York-Presbyterian Hospital of Columbia University in New York City. Because of his unique background in engineering and medicine, Dr. Xu was the recipient of the American Society of Clinical Oncology-Conquer Cancer Foundation Young Investigator Award in 2011 and Merit Award in 2012. Dr. Xu is a strong advocate of precision medicine and he is the first person to have proposed and preliminarily confirmed the feasibility of using deep sequencing technology to detect genetic mutation in rare cell samples such as circulating tumor cells from cancer patients’ peripheral blood. He has published in peer-reviewed journals in lung, breast, and pancreatic cancers. Dr. Xu is rated as a Distinguished provider by MediFind in the treatment of Pulmonary Embolism. His top areas of expertise are Pulmonary Embolism, Deep Vein Thrombosis, Protein S Deficiency, and Congenital Antithrombin 3 Deficiency.

Mary Callsen, M.D., practices internal medicine at Johns Hopkins Community Physicians Downtown Bethesda. She received her medical degree from The Ohio State University College of Medicine, and completed her residency in internal medicine at Brooke Army Medical Center in San Antonio, Texas. In 2014, Washingtonian magazine recognized Dr. Callsen as one of the area’s “Top Doctors.” Videos Caring for the CommunityMeet Dr. Mary Callsen. Dr. Callsen is rated as an Experienced provider by MediFind in the treatment of Pulmonary Embolism. Her top areas of expertise are Sitosterolemia, Pityriasis Rosea, Hypothyroidism, and Obesity in Children.

Chitra Rajagopal is a Hematologist Oncology specialist and a Hematologist in Bethesda, Maryland. Dr. Rajagopal is rated as an Advanced provider by MediFind in the treatment of Pulmonary Embolism. Her top areas of expertise are Paget Disease of the Breast, Angiosarcoma, Inflammatory Breast Cancer, and Breast Cancer. Dr. Rajagopal is currently accepting new patients.

"Dr. Ari D. Fishman is a hematologist affiliated with Sibley Memorial Hospital, Holy Cross Hospital and George Washington University Hospital, where he serves as an assistant professor of medicine for the School of Medicine. He practices out of Maryland Oncology and Hematology, located in Wheaton, Maryland and Silver Spring, Maryland. Dr. Fishman earned his medical degree from Sackler School of Medicine. He completed a residency in internal medicine at the Beth Israel Medical Center, followed by a fellowship in hematology and oncology at the Montefiore Medical Center. Dr. Fishman previously worked at Washington Oncology Hematology Center, located in Washington, D.C. and Chevy Chase, Maryland. Dr. Fishman has been named a Top Doctor in Hematology and Oncology by Washingtonian Magazine and a Top Doctor by Consumers’ Checkbook magazine. Dr. Fishman is a member of the American College of Physicians and the American Society of Clinical Oncology. Dr. Fishman has contributed to numerous publications. Selected Publications Fishman AD, Hoffman A, Volterra F, Frymus M, Gentilluci M. ""Intracaval and intracardiac metastatic nonseminomatous germ cell tumor: a rare cause of hemolytic anemia and thrombocytopenia."" Cancer Invest. 2002;20(7-8):996-1001.". Dr. Fishman is rated as an Advanced provider by MediFind in the treatment of Pulmonary Embolism. His top areas of expertise are Schnitzler Syndrome, Monoclonal Gammopathy of Undetermined Significance (MGUS), Myelodysplastic Syndrome (MDS), and Childhood Iron Deficiency Anemia.

Nicholas Farrell is a Hematologist Oncology provider in Bethesda, Maryland. Dr. Farrell is rated as an Advanced provider by MediFind in the treatment of Pulmonary Embolism. His top areas of expertise are Lung Cancer, Childhood Iron Deficiency Anemia, Pleuropulmonary Blastoma, and Iron Deficiency Anemia.

Dr. Ralph V. Boccia is a hematologist affiliated with Sibley Memorial Hospital, Suburban Hospital, Shady Grove Adventist Hospital, Holy Cross Hospital and MedStar Georgetown University Hospital, where he is a clinical associate professor of medicine for the University, as well as the medical director of the International Oncology Network (ION) Clinical Research Program and the chairman of ION’s Medical Advisory Panel. He practices out of the Center for Cancer and Blood Disorders, of which he is the founder and medical director, located in Bethesda, Maryland and Germantown, Maryland. Dr. Boccia earned his medical degree from the Autonomous University of Guadalajara School of Medicine. He completed a residency in internal medicine at Kern Medical Center, followed by a fellowship in hematology, oncology and bone marrow transplant at the combined UCLA-Veterans Administration Program and The National Cancer Institute at the National Institutes of Health. Dr. Boccia is a member of the American College of Physicians, the American Society of Clinical Oncology, the American Society of Hematology and the American Society for Blood and Marrow Transplantation. Dr. Boccia has been listed as a Top Doctor by Washingtonian Magazine and Consumers’ Checkbook Magazine since 1992. He has also been recognized as a Super Doctor by The Washington Post Magazine and a Regional Top Doctor for Washington, D.C., Baltimore and Washington-Baltimore by Castle Connolly. Dr. Boccia has contributed to various articles with his research, published in journals such as Annals of Internal Medicine, Journal of Clinical Oncology and The Lancet. Recent News Articles and Media Coverage Bladder cancer trends in Montgomery and Prince George's counties: Welcome news - and 3 facts you need to know. NJ.com (08/16/2016) RCCA Expands to Maryland to Become One of the Nation's First Multi-State Oncology/Hematology Physician-Owned and -Operated Networks. OncLive (10/06/2015). Dr. Boccia is rated as an Advanced provider by MediFind in the treatment of Pulmonary Embolism. His top areas of expertise are Anemia, Multiple Myeloma, Thrombocytopenia, Adult Immune Thrombocytopenia, and Splenectomy.

Victor Priego is a Hematologist Oncology specialist and an Oncologist in Bethesda, Maryland. Dr. Priego is rated as an Advanced provider by MediFind in the treatment of Pulmonary Embolism. His top areas of expertise are Myelodysplastic Syndrome (MDS), Anemia, Hemangioma Thrombocytopenia Syndrome, Thrombocytopenia, and Splenectomy.

Mark Goldstein is a Hematologist Oncology provider in Bethesda, Maryland. Dr. Goldstein is rated as an Experienced provider by MediFind in the treatment of Pulmonary Embolism. His top areas of expertise are Childhood Iron Deficiency Anemia, Anal Cancer, Myelodysplastic Syndrome (MDS), and Pleuropulmonary Blastoma.

"Dr. Aaron Kenigsberg received his medical degree from New York University School of Medicine. Dr. Kenigsberg completed his cardiology fellowship at the Beth Israel Deaconess Medical Center (formerly New England Deaconess Hospital) and Harvard Medical School. Dr. Kenigsberg is currently the Cath Lab Director at Holy Cross Hospital. His special interests include general and preventive cardiology, interventional cardiology, lipid management and interventional cardiology. Dr. Kenigsberg has also been recognized as one of the area's ""Top Doctors"" several times by the Washingtonian Magazine.". Dr. Kenigsberg is rated as an Experienced provider by MediFind in the treatment of Pulmonary Embolism. His top areas of expertise are Atrial Fibrillation, Angina, Heart Attack, and Atherosclerosis.

Tony Dao, M.D., F.A.C.C., received his medical degree from Eastern Virginia Medical School and completed his residency in internal medicine at Washington Hospital Center, where he also served as Chief Resident. He completed a fellowship program in cardiovascular disease at Georgetown University/Washington Hospital Center. His special interests include clinical cardiovascular disease, congestive heart failure, and nuclear cardiology. Dr. Dao is rated as an Experienced provider by MediFind in the treatment of Pulmonary Embolism. His top areas of expertise are Atrial Fibrillation, Heart Failure with Preserved Ejection Fraction (HFpEF), Heart Attack, Apoplexy, and Pacemaker Implantation.

Virginia C. Colliver, M.D., is a cardiologist with Johns Hopkins Community Physicians-Heart Care (JHCP) in Bethesda, Maryland. Dr. Colliver is also affiliated with Suburban Hospital and Sibley Memorial Hospital. Dr. Colliver has expertise in general and preventive cardiology, heart disease in women, echocardiography and nuclear cardiology. Dr. Colliver earned her medical degree from the University of Maryland School of Medicine. She completed a residency at University of North Carolina, as well as a fellowship in cardiovascular medicine. Dr. Colliver is a fellow of the American College of Cardiology. Dr. Colliver has been recognized as one of the area’s Top Doctors several times by Washingtonian magazine, as well as Consumers' Checkbook. She received the 2017 Johns Hopkins Medicine Excellence in Service and Professionalism Award for providing great care to her patients and leadership to her JHCP office. Videos 2017 Excellence in Service and Professionalism Award What Young Women Need to Know about their Hearts. Dr. Colliver is rated as an Experienced provider by MediFind in the treatment of Pulmonary Embolism. Her top areas of expertise are Atrial Fibrillation, Heart Failure with Preserved Ejection Fraction (HFpEF), Atherosclerosis, and Coronary Heart Disease.

Dr. Nancy J. Davenport is a cardiologist of Sibley Memorial Hospital. Dr. Davenport practices out of Capital Heart Associates in Sibley’s Medical Building, located in Washington, D.C. She is also affiliated with Suburban Hospital, MedStar Washington Hospital Center and Georgetown University Hospital. Dr. Davenport has an expertise in heart transplantation, peripheral vascular disease, cardiac catheterization, angioplasty and congestive heart failure. Dr. Davenport earned her Bachelor’s and Master’s degrees in nursing from Duke University, followed by a Doctorate degree in cardiac physiology from George Washington University. She was a professor at American University for ten years and was heavily involved in research at the National Institutes of Health prior to returning to George Washington University to earn her medical degree. She went on to complete a residency in internal medicine at Georgetown University Medical Center, followed by a cardiovascular disease fellowship at Washington Hospital Center. Dr. Davenport is a fellow of the American College of Cardiology. She has been named a Top MD by Consumers’ Checkbook Magazine. Dr. Davenport is rated as an Advanced provider by MediFind in the treatment of Pulmonary Embolism. Her top areas of expertise are Hypertensive Heart Disease, Pediatric Myocarditis, Necrosis, and Familial Neurocardiogenic Syncope.

Karim Boudadi, M.D., is a medical oncologist and hematologist with the Johns Hopkins Kimmel Cancer Center at Sibley Memorial Hospital in Washington, D.C., and an assistant professor in the Department of Oncology at Johns Hopkins University School of Medicine. Listen to Dr. Boudadi’s Cancer Matters podcast episode to learn more about his work. Dr. Boudadi has expertise in treating cancers of the head and neck, including salivary gland cancers, as well as cancers of the esophagus, and bone and soft tissue sarcomas. Having completed dual training in medical oncology and hematology at Johns Hopkins University, Dr. Boudadi also treats patients with benign hematologic conditions or non-cancer related blood disorders, such as anemia, low blood counts, bleeding disorders, and clotting disorders. Dr. Boudadi earned his medical degree from the University of Rochester School of Medicine. He completed a residency in internal medicine at the University of Michigan in Ann Arbor, MI, and went on to serve as a clinical lecturer in the Department of Internal Medicine at the University of Michigan Medical School before joining Johns Hopkins. He then completed dual fellowship training in both hematology and medical oncology at the Johns Hopkins University School of Medicine. Dr. Boudadi's research during his fellowship focused on prostate cancer and immunotherapy. Dr. Boudadi is a member of the American Society of Clinical Oncology, the American Society of Hematology, the American College of Physicians, and the American Medical Association. He is also a member of the Hematology and Oncology Fellowship Selection Committee at The Johns Hopkins University School of Medicine. Dr. Boudadi has extensive clinical trial development experience and has published his work in peer-reviewed journals. His primary research interest is immunotherapy. Recent News Articles and Media Coverage Cancer Matters Podcast: Dr. Bill Nelson discussing the treatment of HPV related head and neck cancers, Johns Hopkins Kimmel Cancer Center Podcasts (May 23, 2019). Dr. Boudadi is rated as an Experienced provider by MediFind in the treatment of Pulmonary Embolism. His top areas of expertise are Glioma, Mesenchymoma, Undifferentiated Pleomorphic Sarcoma, Gastrointestinal Stromal Tumor, and Prostatectomy.

Edward Bodurian, M.D., F.A.C.C., received his undergraduate and medical degree from The University of Maryland. He completed a fellowship in Cardiology at Georgetown University Hospital. His special interests include ischemic and valvular heart disease. Dr. Bodurian is a clinical associate professor at Georgetown University Hospital. He has served as the chief of cardiology and director of the Cardiac Catheterization Laboratory at Sibley Memorial Hospital in Washington, D.C., as well as chief of cardiology at Suburban Hospital in Bethesda, Md. He is a fellow of the American College of Cardiology, The Society of Cardiac Angiography and Interventions, The American Society of Nuclear Cardiology as well as The American College of Physicians. He is also an active member of the American Medical Association, and Medical Societies of the District of Columbia and Montgomery County. Dr. Bodurian has been recognized as one of the area’s “Top Doctors” several times since 1985 by Washingtonian magazine. Dr. Bodurian is rated as an Experienced provider by MediFind in the treatment of Pulmonary Embolism. His top areas of expertise are Atrial Fibrillation, Familial Hypertrophic Cardiomyopathy, Familial Ventricular Tachycardia, and Heart Attack.

Nelson Kalil is a Hematologist Oncology specialist and a Hematologist in Rockville, Maryland. Dr. Kalil is rated as an Advanced provider by MediFind in the treatment of Pulmonary Embolism. His top areas of expertise are Protein S Deficiency, Hereditary Resistance to Anti-Vitamin K, Congenital Antithrombin 3 Deficiency, and Protein C Deficiency. Dr. Kalil is currently accepting new patients.

Narender Bharaj is a primary care provider, practicing in Internal Medicine in Silver Spring, Maryland. Dr. Bharaj is rated as an Advanced provider by MediFind in the treatment of Pulmonary Embolism. His top areas of expertise are Dementia, Anemia, Hypertension, and Glucocorticoid-Remediable Aldosteronism.

Helen Barold is a Cardiologist and an Interventional Cardiologist in Rockville, Maryland. Dr. Barold is rated as an Experienced provider by MediFind in the treatment of Pulmonary Embolism. Her top areas of expertise are Hypertensive Heart Disease, Carotid Artery Disease, Pediatric Myocarditis, Arterial Embolism, and Pacemaker Implantation.

Amr Hegazi is a Hematologist Oncology specialist and a Hematologist in Silver Spring, Maryland. Dr. Hegazi is rated as a Distinguished provider by MediFind in the treatment of Pulmonary Embolism. His top areas of expertise are Iron Deficiency Anemia, Childhood Iron Deficiency Anemia, Anemia, Pulmonary Embolism, and Bone Marrow Aspiration. Dr. Hegazi is currently accepting new patients.

Dr. Flyer has been practicing cardiology since 1997. He specializes in interventional cardiology, the branch of cardiology that uses catheter-based technology to treat heart disorders. Dr.Flyer also practices general cardiology, and has expertise in echocardiography and nuclear cardiology. He is a Clinical Assistant Professor at George Washington University School of Medicine, teaching medical students cardiology. In 2008, Dr. Flyer began serving as the Vice Chairman of the American Heart Association Gala Committee. Dr. Flyer currently has privileges at the following hospitals: Suburban Hospital, Bethesda, Maryland Sibley Memorial Hospital, Washington, D.C. The Washington Hospital Center, Washington, D.C. Holy Cross Hospital, Silver Spring, Maryland Washington County Hospital, Hagerstown, Maryland. Dr. Flyer is rated as an Experienced provider by MediFind in the treatment of Pulmonary Embolism. His top areas of expertise are Mitral Valve Prolapse, Coronary Heart Disease, Atherosclerosis, Atrial Fibrillation, and Pacemaker Implantation.

William Battle is a Cardiologist in Chevy Chase, Maryland. Dr. Battle is rated as an Experienced provider by MediFind in the treatment of Pulmonary Embolism. His top areas of expertise are Mitral Valve Prolapse, Arterial Embolism, Familial Neurocardiogenic Syncope, and Carotid Artery Disease.