The 20 Best Histiocytosis Doctors Near Me in District of Columbia, US

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 an Experienced provider by MediFind in the treatment of Histiocytosis. He is also highly rated in 26 other conditions, according to our data. His clinical expertise encompasses Large-Cell Immunoblastic Lymphoma, Acute Myeloid Leukemia (AML), Myelodysplastic Syndrome (MDS), Acute Myeloblastic Leukemia without Maturation, and Bone Marrow Aspiration.

Leslie Castelo-Soccio, MD, PhD, is a dermatologist at Children's National Hospital and professor of Pediatrics and Dermatology at the George Washington University School of Medicine and Health Sciences. She is an expert in hair disorders most notably alopecia areata as well as other autoimmune skin diseases. Her interests and expertise include hair, genetic skin disorders, neonatal dermatology, inflammatory skin diseases such as eczema/atopic dermatitis and psoriasis, pigmented lesions (moles), acne and vascular disorders. She is an expert in laser and surgical treatment for pediatric patients and provides services in the clinic and operating room. Dr. Castelo-Soccio has built a research career in alopecia and inflammatory skin disease and runs clinical trials on these diseases at Children's National. Dr. Castelo-Soccio has published extensively including peer-reviewed articles and book chapters on pediatric and medical dermatology. She is a national and international speaker on hair disorders and autoimmune skin disease. She is a member of the board of directors of the American Hair Research Association and has worked closely as a volunteer for the National Alopecia Areata Foundation and the Pediatric Dermatology Research Alliance. Dr. Castelo-Soccio received her bachelor's degree with honors in biological sciences from Harvard University and her MD and PhD from Cornell University - Weill Medical College. She completed residency training in dermatology at the University of Pennsylvania and her fellowship training in pediatric dermatology at the Children's Hospital of Philadelphia. She is board certified in dermatology and pediatric dermatology. From 2011-2021 she was an attending physician at Children's Hospital of Philadelphia. From 2021-2025 she was an attending physician and researcher at the National Institutes of Health, where she still serves as a special volunteer. Dr. Castelo is rated as an Experienced provider by MediFind in the treatment of Histiocytosis. She is also highly rated in 28 other conditions, according to our data. Her clinical expertise encompasses Autosomal Recessive Hypotrichosis, Alopecia Areata, Lamellar Ichthyosis, and Nonbullous Congenital Ichthyosiform Erythroderma. Dr. Castelo is board certified in American Board Of Dermatology, 2012 and Dermatology: American Board Of Dermatology, 2009.

Colleen Cotton, MD, is a pediatric dermatologist and assistant professor who specializes in treating children with skin problems. She sees babies, children and teenagers with all types of skin conditions including acne, birthmarks, moles, eczema, psoriasis, skin infections, genetic skin problems and many others. She is particularly interested in hidradenitis suppurativa as well as blood vessel birthmarks like hemangiomas, port wine stains, and vascular anomalies. Skin problems in children are more than just skin deep, and can be emotionally and psychologically difficult for both parents and patients to deal with. Board-certified in both dermatology and pediatric dermatology, Dr. Cotton is passionate about helping patients feel confident and comfortable in their skin. She enjoys working with families to find treatments and solutions that work for them. Dr. Cotton has written numerous peer-reviewed publications and book chapters and has spoken at several national meetings. She is also an active member of the American Academy of Dermatology, Society for Pediatric Dermatology and the Pediatric Dermatology Research Alliance. She participates in clinical research to improve our understanding of both common and rare pediatric skin diseases. Dr. Cotton grew up in the greater D.C., area and graduated from college at the University of Georgia. She then completed medical school at Washington University in St. Louis in 2013. After finishing her intern year in pediatrics at St. Christopher's Hospital for Children in Philadelphia, she did a year of pediatric dermatology research at the University of California, San Diego. Dr. Cotton then completed a dermatology residency at the University of Arizona, followed by a pediatric dermatology fellowship at the Children's Hospital of Philadelphia. She practiced in South Carolina for three years before joining the team at Children's National Hospital in 2022. Publications ORCiD. Dr. Cotton is rated as an Experienced provider by MediFind in the treatment of Histiocytosis. She is also highly rated in 6 other conditions, according to our data. Her clinical expertise encompasses Hidradenitis Suppurativa, Molluscum Contagiosum, Vascular Birthmark, and Warts. Dr. Cotton is board certified in American Board Of Dermatology, 2020 and American Board Of Dermatology, 2019.

Stephan Ladisch is a Hematologist practicing medicine in Washington, Washington, D.c.. He has been practicing medicine for over 53 years. Dr. Ladisch is rated as an Advanced provider by MediFind in the treatment of Histiocytosis. He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Reticulohistiocytoma, Histiocytosis, Langerhans Cell Histiocytosis, and Hemophagocytic Lymphohistiocytosis. Dr. Ladisch is board certified in Pediatrics: American Board Of Pediatrics, 1978 and Pediatric Hematology-Oncology: American Board Of Pediatrics, 1978.

Jeffrey Dome, MD, PhD, is senior vice president of the Cancer and Blood Disorders Center at Children’s National Hospital in Washington, D.C. He is professor of pediatrics at the George Washington University School of Medicine and Health Sciences and the Thomas Willson and Lenore Williams McKnew professor of pediatric oncology. Dr. Dome received his medical degree from the University of Pennsylvania School of Medicine and PhD degree in medicine from Erasmus University in Rotterdam. He completed a residency in pediatrics at Yale-New Haven Hospital and completed a fellowship in pediatric hematology/oncology at Johns Hopkins Hospital. After fellowship, Dr. Dome was a faculty member at St. Jude Children’s Research Hospital before joining Children’s National in 2006. Dr. Dome is an internationally recognized expert on pediatric solid tumors, with an emphasis on kidney tumors and sarcomas. He chaired the Children’s Oncology Group (COG) Renal Tumor Committee for more than a decade. He is presently on the Scientific Council of the COG, the editorial board of Pediatric Blood and Cancer, and is past chair of the American Board of Pediatrics Subboard of Hematology/Oncology. Dr. Dome serves on numerous medical advisory boards for cancer foundations and currently is the North American Continental President of the International Society of Pediatric Oncology (SIOP). He has authored more than 200 articles, books, letters and chapters on pediatric cancer. Dr. Dome is rated as an Advanced provider by MediFind in the treatment of Histiocytosis. He is also highly rated in 17 other conditions, according to our data. His clinical expertise encompasses Rhabdoid Tumor, Denys-Drash Syndrome (DDS), Adult Soft Tissue Sarcoma, Nephrectomy, and Bone Marrow Aspiration. Dr. Dome is board certified in Pediatric Hematology-Oncology: American Board Of Pediatrics, 1998.

Michael Cardis is a Dermatologist practicing medicine in Washington, Washington, D.c.. Dr. Cardis is rated as an Experienced provider by MediFind in the treatment of Histiocytosis. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Bullae, Bullous Pemphigoid, Linear Nevus Sebaceous Syndrome, and Acquired Ichthyosis.

Thomas Stringer is a Dermatologist practicing medicine in Washington, Washington, D.c.. Dr. Stringer is rated as an Experienced provider by MediFind in the treatment of Histiocytosis. His clinical expertise encompasses Melanoma, Giant Congenital Nevus, Giant Congenital Melanocytic Nevus, and Familial Atypical Multiple Mole Melanoma Syndrome.

Kristen Russomanno is a Dermatologist practicing medicine in Washington, Washington, D.c.. Dr. Russomanno is rated as an Experienced provider by MediFind in the treatment of Histiocytosis. Her clinical expertise encompasses Melanoma, Actinic Keratosis, Hypohidrotic Ectodermal Dysplasia, and Fetal Cystic Hygroma.

Anant Vatsayan, MBBS, is a blood and marrow transplant/cellular therapy attending at Children’s National Hospital. He is an assistant professor of pediatrics at the George Washington School of Medicine and Health Sciences, the cellular therapy laboratory medical director, and the pediatric BMT fellowship director for the joint NCI/Children’s National Hospital BMT Fellowship Program. He is a board-certified pediatric hematologist/oncologist. Prior to joining Children’s National, Dr. Vatsayan completed a two-year fellowship in cellular therapy/blood and marrow transplantation (BMT) at Memorial Sloan Kettering Center, New York. He did his pediatric hematology/oncology fellowship at Rainbow Babies and Children’s Hospital, Case Western Reserve University, Cleveland, Ohio. His research interests include BMT/cellular therapies for pediatric high-risk hematologic malignancies. He is the clinical lead for the Chimeric Antigen Receptor T (CAR-T) therapy program at Children’s National. His other interests include novel transplantation techniques like TCR alpha/beta T cell depleted BMT, graft versus host disease and BMT for high-risk inherited bone marrow failure syndromes, like Fanconi anemia. Dr. Vatsayan is rated as an Experienced provider by MediFind in the treatment of Histiocytosis. His clinical expertise encompasses Non-Langerhans-Cell Histiocytosis, Hemophagocytic Lymphohistiocytosis, Acquired Amegakaryocytic Thrombocytopenia, Acute Lymphoblastic Leukemia (ALL), and Bone Marrow Transplant. Dr. Vatsayan is board certified in Pediatric Hematology-Oncology: American Board Of Pediatrics, 2017 and Pediatrics: American Board Of Pediatrics, 2013.

Catherine Bollard is a Pediatrics provider practicing medicine in Washington, Washington, D.c.. Dr. Bollard is rated as an Experienced provider by MediFind in the treatment of Histiocytosis. She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses Hodgkin Lymphoma, Graft Versus Host Disease (GvHD), Leukemia, Acute Lymphoblastic Leukemia (ALL), and Bone Marrow Transplant.

Susmita Sarangi is a Hematologist and an Oncologist practicing medicine in Washington, Washington, D.c.. Dr. Sarangi is rated as an Experienced provider by MediFind in the treatment of Histiocytosis. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Hemophagocytic Lymphohistiocytosis, Non-Langerhans-Cell Histiocytosis, Histiocytosis, and Reticulohistiocytoma.

Blachy Davila is a Hematologist and an Oncologist practicing medicine in Washington, Washington, D.c.. Dr. Davila is rated as an Experienced provider by MediFind in the treatment of Histiocytosis. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Severe Combined Immunodeficiency (SCID), Hemophagocytic Lymphohistiocytosis, Chronic Graft Versus Host Disease (cGvHD), Graft Versus Host Disease (GvHD), and Bone Marrow Transplant.

Aarthi Shenoy is a Hematologist practicing medicine in Washington, Washington, D.c.. Dr. Shenoy is rated as an Experienced provider by MediFind in the treatment of Histiocytosis. She is also highly rated in 30 other conditions, according to our data. Her clinical expertise encompasses Non-Hodgkin Lymphoma, Schnitzler Syndrome, Monoclonal Gammopathy of Undetermined Significance (MGUS), Follicular Lymphoma, and Bone Marrow Aspiration.

Jeffrey Toretsky is a Hematologist and an Oncologist practicing medicine in Washington, Washington, D.c.. Dr. Toretsky is rated as an Experienced provider by MediFind in the treatment of Histiocytosis. He is also highly rated in 6 other conditions, according to our data. His clinical expertise encompasses Ewing Sarcoma, Osteosarcoma, Adult Soft Tissue Sarcoma, Rhabdomyosarcoma, and Bone Marrow Aspiration.

Alexandra Dreyzin is a Hematologist and an Oncologist practicing medicine in Washington, Washington, D.c.. Dr. Dreyzin is rated as an Experienced provider by MediFind in the treatment of Histiocytosis. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Acute Lymphoblastic Leukemia (ALL), Leukemia, Hemophagocytic Lymphohistiocytosis, and Non-Langerhans-Cell Histiocytosis.

Mitchell Smith is a Hematologist practicing medicine in Washington, Washington, D.c.. Dr. Smith is rated as an Experienced provider by MediFind in the treatment of Histiocytosis. He is also highly rated in 2 other conditions, according to our data. His clinical expertise encompasses Diffuse Large B-Cell Lymphoma (DLBCL), Large-Cell Immunoblastic Lymphoma, Follicular Lymphoma, and Non-Hodgkin Lymphoma.

Jennifer Kanakry is a Hematologist practicing medicine in Washington, Washington, D.c.. Dr. Kanakry is rated as an Experienced provider by MediFind in the treatment of Histiocytosis. She is also highly rated in 8 other conditions, according to our data. Her clinical expertise encompasses Graft Versus Host Disease (GvHD), Primary Immunodeficiency (PID), Hodgkin Lymphoma, Classical Hodgkin Lymphoma, and Bone Marrow Transplant.

Imadeddine Tabbara is a Hematologist practicing medicine in Washington, Washington, D.c.. He has been practicing medicine for over 44 years. Dr. Tabbara is rated as an Experienced provider by MediFind in the treatment of Histiocytosis. He is also highly rated in 33 other conditions, according to our data. His clinical expertise encompasses Breast Cancer, Angiosarcoma, Acute Myeloid Leukemia (AML), Paget Disease of the Breast, and Bone Marrow Aspiration.

Patricia Oneal is a Hematologist and an Oncologist practicing medicine in Washington, Washington, D.c.. Dr. Oneal is rated as an Experienced provider by MediFind in the treatment of Histiocytosis. She is also highly rated in 5 other conditions, according to our data. Her clinical expertise encompasses Sickle Cell Disease, Hemolytic Anemia, Congenital Hemolytic Anemia, and Hemoglobinopathy.