Overview
Ajay Dar is an Oncologist and a Hematologist in Leesburg, Virginia. Dr. Dar is rated as an Experienced provider by MediFind in the treatment of Brain Tumor. His top areas of expertise are Paget Disease of the Breast, Lung Cancer, Pleuropulmonary Blastoma, and Myelodysplastic Syndrome (MDS). Dr. Dar is currently accepting new patients.
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
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- HMO
- POS
- PPO
- OTHER MEDICARE
- OTHER MEDICARE PART D
- EPO
- HMO
- PPO
- INSURANCE PLAN
- MEDICARE PDP
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- POS
- POS
- PPO
- EPO
- HMO
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- HMO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER MEDICARE
- POS
- PPO
- OTHER MANAGED MEDICAID
- OTHER MEDICAID
- STATE MEDICAID
- PPO
- INSURANCE PLAN
- MEDICARE MAPD
- OTHER COMMERCIAL
- PPO
- 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
- 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
1860 Town Ctr Dr, Suite 460, Reston, VA 20190
Skip Viragh Outpatient Cancer Center
Dr. Matthias Holdhoff is a medical oncologist and co-director of the Brain Cancer Disease Group at the Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins. He is a professor of oncology, neurology and neurological surgery at Johns Hopkins University School of Medicine. Dr. Holdhoff’s expertise is in primary brain cancers and central nervous system lymphomas. He earned his medical degree from Freie Universität Berlin, received his doctorate degree at Charité University Medicine Berlin. Dr. Holdhoff completed residency training in internal medicine at Johns Hopkins Bayview Medical Center, followed by a fellowship in medical oncology at Johns Hopkins Hospital with research training at the Ludwig Center for Cancer Genetics and Therapeutics (Kinzler-Vogelstein lab). As a clinical investigator in neuro-oncology, his research is focused on novel trials and translational biomarker studies in malignant gliomas and primary central nervous system lymphomas. He has led and contributed to numerous clinical trials, publications and presentations. Dr. Holdhoff serves as the director of the solid tumor inpatient service at the Sidney Kimmel Comprehensive Cancer Center. He is passionately involved in mentoring and teaching of fellows, residents and students. He is the director of the UCNS-certified neuro-oncology fellowship program at Johns Hopkins, and he is a teaching attending physician for the Osler internal medicine residency program. Dr. Holdhoff is rated as an Elite provider by MediFind in the treatment of Brain Tumor. His top areas of expertise are Glioma, Glioblastoma, Astrocytoma, and Brain Tumor.
Skip Viragh Outpatient Cancer Center
Stuart Grossman, M.D., is a professor of oncology at the Johns Hopkins Kimmel Cancer Center. He has served as Principal Investigator and Director of the Central Operations office of the National Cancer Institute-funded phase I/II brain tumor consortia (New Approaches to Brain Tumor Therapy CNS Consortium and the Adult Brain Tumor Consortium) for the past 22 years. He has led many phase I, II, and III institutional and cooperative group translational and clinical brain cancer research projects. Dr. Grossman's expertise is in brain cancers, translational and clinical research, and directing large, multicenter, multidisciplinary clinical trial groups and training programs. Dr. Grossman was an intern and resident at Strong Memorial Hospital in Rochester, NY, and a fellow at the Johns Hopkins University School of Medicine. He received his M.D. from the University of Rochester. Dr. Grossman is rated as an Elite provider by MediFind in the treatment of Brain Tumor. His top areas of expertise are Glioblastoma, Astrocytoma, Glioma, and Gliomatosis Cerebri.
Sibley Memorial Hospital
Dr. Solmaz Sahebjam is a medical oncologist and an associate professor of oncology at Johns Hopkins University School of Medicine. Her expertise is in primary and metastatic brain tumors, breast cancer, and the development of new drugs for cancer. She earned her medical degree from Iran University of Medical Sciences, followed by a post-doctoral research fellowship at Shriners Hospital, McGill University in Montreal. Dr. Sahebjam completed residency training in internal medicine at Saint Vincent Hospital, followed by a fellowship in internal medicine at the University of Ottawa in Canada. She continued her training with a residency in medical oncology at McGill University in Canada followed by a fellowship in early-phase drug development, breast oncology, and neurooncology at Princess Margaret Hospital, University of Toronto in Canada. Dr. Sahebjam’s research is focused on the development of novel therapeutic regimens for the treatment of cancer including breast and central nervous system malignancies. Over the years, she has led and contributed to numerous clinical trials some of which have resulted in new treatment options for patients with cancer. Dr. Sahebjam is rated as an Elite provider by MediFind in the treatment of Brain Tumor. Her top areas of expertise are Glioma, Brain Tumor, Glioblastoma, Astrocytoma, and Awake Craniotomy.
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
- Familial Pancreatic CancerDr. Dar isDistinguished. Learn about Familial Pancreatic Cancer.
- Lung CancerDr. Dar isDistinguished. Learn about Lung Cancer.
- Myelodysplastic Syndrome (MDS)Dr. Dar isDistinguished. Learn about Myelodysplastic Syndrome (MDS).
- Ovarian CarcinosarcomaDr. Dar isDistinguished. Learn about Ovarian Carcinosarcoma.
- Paget Disease of the BreastDr. Dar isDistinguished. Learn about Paget Disease of the Breast.
- Pleuropulmonary BlastomaDr. Dar isDistinguished. Learn about Pleuropulmonary Blastoma.
- Advanced
- Acute Myeloblastic Leukemia without Maturation
- Acute Myeloid Leukemia (AML)
- Adult Immune Thrombocytopenia
- AgranulocytosisDr. Dar isAdvanced. Learn about Agranulocytosis.
- AnemiaDr. Dar isAdvanced. Learn about Anemia.
- Antiphospholipid SyndromeDr. Dar isAdvanced. Learn about Antiphospholipid Syndrome.
- Experienced
- Acquired HemophiliaDr. Dar isExperienced. Learn about Acquired Hemophilia.
- Acute Myeloblastic Leukemia with Maturation
- Adrenal CancerDr. Dar isExperienced. Learn about Adrenal Cancer.
- Adrenocortical CarcinomaDr. Dar isExperienced. Learn about Adrenocortical Carcinoma.
- Adult Soft Tissue SarcomaDr. Dar isExperienced. Learn about Adult Soft Tissue Sarcoma.
- ALK-Positive Non-Small Cell Lung Cancer

