The multidisciplinary thrombosis team is focused on treating infants, children and young adults who have developed blood clots.
Neil A. Goldenberg, MD, PhD Hematology / Oncology
Dr. Goldenberg was named director of research at Johns Hopkins All Children's Hospital in July 2012 as well as chief research officer of the Johns Hopkins All Children's Research Institute and director of the new Clinical and Translational Research Organization at JHACH. He is an associate professor of pediatrics and medicine at the Johns Hopkins University School of Medicine.
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Marisol Betensky, M.D. Hematology / Oncology
Dr. Betensky specializes in hemostasis and thrombosis in the Johns Hopkins All Children’s Cancer & Blood Disorders Institute. She also treats bone marrow failure syndromes and congenital and acquired neutropenias, which are immune system conditions that may result in infections. She joined the hospital in 2016. Previously, she was an instructor in the Division of Hematology, Comprehensive Bone Marrow Failure Center at Children’s Hospital of Philadelphia.
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Katie Mills, D.N.P., A.R.N.P.Program Coordinator, Hemostasis and Thrombosis Programs
Irmel Ayala, M.D. Hematology / Oncology
Dr. Ayala is the director of the Hemophilia and Bleeding Disorders Treatment Center at Johns Hopkins All Children's Hospital. She also is the hematology leader of the Young Women Bleeding Disorders/Menorrhagia Clinic, which focuses on a multidisciplinary approach to bleeding symptoms in girls and young women. Dr. Ayala also is involved in the newly created Immune Dysregulation Clinic, which evaluates patients with autoimmune cytopenias in a multidisciplinary approach.
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Laurie Barrett, C.C.R.C., R.N.Clinical Research Nurse
Mark Bittles, M.D. Radiology
Dr. Bittles is an interventional radiologist at Johns Hopkins All Children’s Hospital. He joined the hospital staff in 2015. Dr. Bittles earned his medical degree at University of Tennessee College of Medicine and completed his radiology residency and an interventional radiology fellowship at University of Washington Medical Center. He completed a pediatric radiology fellowship at Vanderbilt University Medical Center.
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Mary Cardenas, R.N.Nurse Coordinator, Hemostasis and Thrombosis Program
Paul Colombani, M.D. Surgery - Pediatric
Dr. Colombani chairs the Department of Surgery at Johns Hopkins All Children's Hospital and is guiding the growth of clinical research, education and expertise in multiple pediatric surgical subspecialties. He is a professor of surgery, pediatrics and oncology at the Johns Hopkins University School of Medicine and the Robert Garrett Professor (Emeritus) of Pediatric Surgery. In September 2014, Dr. Colombani became the president of All Children's Specialty Physicians, a multispecialty group practice that includes more than 170 employed physicians practicing at Johns Hopkins All Children's Hospital as well as at affiliate locations at community hospitals in west central Florida. Dr. Colombani serves on the faculty of the Johns Hopkins All Children's Hospital pediatric residency and is among the program's research mentors.
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Amanda Memken, B.C.P.P.S., Pharm.DPediatric Anticoagulation Clinical Pharmacist
Gary Stapleton, M.D. Cardiology - Pediatric
Dr. Stapleton is a pediatric interventional cardiologist and serves as Johns Hopkins All Children’s division chief of pediatric cardiology and medical director of the cardiac catheterization lab at the Johns Hopkins All Children’s Heart Institute. Dr. Stapleton is active in research and education in interventional cardiology and has launched innovative techniques at Johns Hopkins All Children’s to treat congenital heart disease without the need for open heart surgery. He did a pediatric residency with San Antonio Uniformed Services in Texas and was a general pediatrician at Eglin Air Force Base before completing both a pediatric cardiology fellowship and pediatric interventional fellowship at Baylor College of Medicine and Texas Children’s Hospital in Houston.
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