Hemorrhagic Telangiectasia Team
Sally Mitchell, M.D.
Radiology
Dr. Mitchell is an interventional radiologist at Johns Hopkins All Children’s, and medical director of the Hereditary Hemorrhagic Telangiectasia (HHT) Program. She joined the hospital staff in 2021. She was most recently director of pediatric interventional radiology and director of vascular anomalies interventional radiology at Johns Hopkins University School of Medicine in Baltimore; medical director of the Hereditary Hemorrhagic Telangiectasia Center and of the Vascular Anomalies Center at The Johns Hopkins Hospital; and professor emeritus in the Department of Radiology and Radiological Science, Surgery and Pediatrics at Johns Hopkins University School of Medicine. She was elected to the Miller Coulson Academy of Clinical Excellence at The Johns Hopkins Hospital.
Irmel Ayala, M.D.
Hematology
Dr. Ayala is the division chief of Hematology and 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, and is co-director of the Hereditary Hemorrhagic Telangiectasia (HHT) Program. Dr. Ayala also is involved in the Immune Dysregulation Clinic, which evaluates patients with autoimmune cytopenias in a multidisciplinary approach.
Bruce Landeck, M.D., M.S.
Cardiology
Dr. Landeck is a pediatric cardiologist and director of Echocardiography at Johns Hopkins All Children’s Heart Institute. He joined the hospital staff in 2021. He was most recently the Director of the Cardiac Progressive Care Unit and interim clinical director of Echocardiography at Children’s Hospital Colorado, and an associate professor of Pediatrics in the University of Colorado – Denver School of Medicine.
Michael Wilsey, M.D.
Gastroenterology
Dr. Wilsey specializes in pediatric gastroenterology, hepatology and nutrition in the Department of Medicine. He served as chief of the medical staff from 2020-2021 and is vice chair of the Division of Gastroenterology. Dr. Wilsey was named Johns Hopkins All Children’s Hospital physician of the year in the 2022 Johns Hopkins Medicine Clinical Awards. Dr. Wilsey is an assistant professor of the Johns Hopkins University School of Medicine Department of Pediatrics. He is a core faculty member of Johns Hopkins All Children’s Pediatric Residency Training Program and serves as faculty and research mentor for pediatric resident physicians.
Daniel McClenathan, M.D.
Gastroenterology
Dr. McClenathan is chief of the division of the pediatric gastroenterology, hepatology and nutrition at Johns Hopkins All Children’s Hospital. He earned his medical degree at Louisiana State University School of Medicine and completed his pediatric internship and residency at The Johns Hopkins Hospital and his pediatric gastroenterology and nutrition clinical and research fellowships at Harvard Medical School and Massachusetts General Hospital.
View Daniel McClenathan's Bio
Melissa Crenshaw, M.D.
Medical Genetics
Dr. Crenshaw is the medical director for the Clinical Genetics Program at Johns Hopkins All Children’s Hospital and also serves as an assistant professor with Johns Hopkins Medicine. Her research interests include congenital heart defects, chromosome abnormalities and Turner Syndrome. She has additional expertise in the genetics of congenital heart disease and connective tissue disorders. Dr. Crenshaw is board certified in pediatrics and clinical genetics.
Jennifer Mayer, M.D.
Hematology-Oncology
Dr. Mayer is a pediatric hematologist-oncologist in the Johns Hopkins All Children’s Cancer & Blood Disorders Institute. She specializes in the diagnosis and management of patients with acute lymphoblastic leukemia (ALL), acute myeloid leukemia (AML), chronic myeloid leukemia (CML), Hodgkin lymphoma and non-Hodgkin lymphoma. She is also the medical director of the Vascular Anomalies and Birthmarks Program at the hospital. She cares for patients with benign and aggressive vascular tumors, lymphatic and venous malformations, and overgrowth syndromes.
Michael Collard, M.D.
Interventional Radiology
Dr. Collard specializes in pediatric interventional radiology at Johns Hopkins All Children’s Hospital. He joined the medical staff in 2021. Dr. Collard earned his medical degree from the University of Missouri Kansas City School of Medicine in Kansas City, Missouri. He completed an internship in internal medicine at the University of Missouri Kansas City School of Medicine and a residency in diagnostic radiology at the University of Texas Southwestern Medical Center in Dallas. He then completed a fellowship in vascular and interventional radiology at Massachusetts General Hospital/Harvard Medical School in Boston, followed by a fellowship in pediatric radiology with an emphasis in interventional radiology at Boston Children’s Hospital/Harvard Medical School.
Mara DiBartolomeo, D.O.
Neonatology
Dr. DiBartolomeo specializes in neonatology in the Johns Hopkins All Children’s Maternal, Fetal & Neonatal Institute. At Johns Hopkins All Children’s Hospital, Dr. DiBartolomeo is the physician chair for the Human Values and Ethics Committee and serves on the Medical Executive Committee. She worked to develop and launch the Johns Hopkins All Children’s Fetal Care Program and serves as the medical director of the program, working with maternal-fetal medicine colleagues as well as various pediatric subspecialists to provide prenatal consultation and counseling, and to offer a coordinated, family-centered approach to the diagnosis and treatment of fetal anomalies that brings perinatal, neonatal and pediatric specialists to the patient.
John Deveikis, M.D.
Interventional Neuroradiology
Dr. Deveikis specializes in interventional neuroradiology in the Johns Hopkins All Children’s Institute for Brain Protection Sciences. He previously worked for the hospital from 2010-2014 before four years as a professor of neurosurgery and radiology at the University of Alabama-Birmingham. He rejoined the medical staff in 2018. Dr. Deveikis is based on the Johns Hopkins All Children’s main campus in St. Petersburg.
Christopher Inglese, M.D.
Pediatric Neurology
Dr. Inglese specializes in pediatric neurology at Johns Hopkins All Children’s Hospital and works primarily with hospitalized children and their follow-up care. He joined the medical staff in 2020. Dr. Inglese was named Johns Hopkins All Children’s Hospital best consulting physician in the 2022 Johns Hopkins Medicine Clinical Awards. Before joining Johns Hopkins All Children’s, Dr. Inglese held several faculty appointments, including associate professor of pediatric neurology and director of the child neurology fellowship program at the Medical College of Wisconsin in Milwaukee. He helped manage the wide spectrum of neurological disorders in pediatric patients, and received teaching and distinguished service accolades for mentoring trainees at numerous academic centers.
Matthew Smyth, M.D.
Pediatric Neurosurgery
Dr. Smyth is chief of the pediatric neurosurgery division at Johns Hopkins All Children’s Hospital. His specialties include pediatric neurosurgery, with sub-specialization in pediatric epilepsy surgery and craniofacial surgery with an emphasis on minimally invasive techniques. Before joining the Johns Hopkins All Children’s medical staff, Dr. Smyth was the Appoline Blair Professor of Neurological Surgery and Pediatrics at St. Louis Children’s Hospital and Washington University School of Medicine in St. Louis.
Suzanne Icely, M.D.
Obstetrics and Gynecology
Dr. Icely specializes in obstetrics and gynecology at Johns Hopkins All Children's Hospital. She has practiced in the St. Petersburg area since 1998 and has been part of the adolescent gynecology program at Johns Hopkins All Children's Hospital since 2006. She is a graduate of the University of Florida College of Medicine, where she was elected to the Alpha Omega Alpha Medical Honor Society. Dr. Icely completed her residency in obstetrics and gynecology at the University of South Florida College, where she served as chief resident and twice received first-place research awards from the Department of Obstetrics and Gynecology. She joined OB/GYN Associates (now Johns Hopkins All Children's Obstetrics and Gynecology Specialists) in 1998.
Kathleen Wasylik, M.D.
Otolaryngology
Dr. Wasylik is a pediatric ear, nose and throat surgeon at Johns Hopkins All Children’s Hospital. She sees patients in the Brandon, Clearwater, Odessa, Sarasota, and Tampa locations of Pediatric Otolaryngology Head & Neck Surgery Associates, PA and the Johns Hopkins All Children’s Outpatient Care location in St. Petersburg. Pediatric Otolaryngology Head & Neck Surgery Associates, PA is the exclusive provider of pediatric ear, nose and throat services at Johns Hopkins All Children’s Hospital.
Hector Monforte, M.D.
Pathology
Dr. Monforte is the section chief of Anatomic Pathology and also supports the research mission of Johns Hopkins All Children’s by serving as director of the Tissue-Based Diagnosis and Research Core and the Johns Hopkins All Children’s Pediatric Biorepository. He earned his medical degree from the Universidad Autónoma de Guadalajara School of Medicine in Mexico. He completed his anatomic pathology residency at Jackson Memorial Hospital in Miami, Florida, and fellowships at The University of Texas M.D. Anderson Cancer Center in Houston and at the Children's Hospital Los Angeles.
Jennifer Katzenstein, Ph.D., M.S.
Pediatric Psychology
Dr. Katzenstein is the director of psychology, neuropsychology and social work, and co-director of the Center for Behavioral Health at Johns Hopkins All Children’s Hospital. Dr. Katzenstein was honored for Excellence in Service and Professionalism at Johns Hopkins All Children’s Hospital in the Johns Hopkins Medicine Clinical Awards for 2020. Previously, Dr. Katzenstein was a private practitioner and Assistant Professor of Neurology at Indiana University School of Medicine/Riley Hospital for Children in Indianapolis where she provided neuropsychological evaluations, consultations and academic coaching for children and adolescents.
Nicole Chandler, M.D.
Pediatric Surgery
Dr. Chandler is chief of the Division of Pediatric Surgery and the director of pediatric surgery research at Johns Hopkins All Children’s Hospital. She joined the medical staff in 2008, became interim chief in 2020 and was named full-time chief in 2021. She also is an associate professor of Surgery at the Johns Hopkins School of Medicine. Dr. Chandler’s clinical and research areas of interest are minimally invasive surgery including pectus excavatum, and pediatric cancer surgery. She is a member of the American College of Surgeons. Dr. Chandler was named Johns Hopkins All Children’s Hospital physician of the year in the 2017 Johns Hopkins Medicine Clinical Excellence Awards.
Nathan Dean, M.D.
Pediatric Critical Care Medicine
Dr. Dean is a critical care medicine physician and division chief of Pediatric Critical Care at Johns Hopkins All Children’s Hospital. He joined the hospital staff in 2021. He was most recently associate division chief of Critical Care Medicine, Clinical Operations, at Children’s National Hospital in Washington, D.C., and an associate professor in the Department of Pediatrics at George Washington University School of Medicine and Health Science.
Alex Rottgers, M.D.
Plastic and Reconstructive Surgery
Dr. S. Alex Rottgers is a pediatric plastic and craniofacial surgeon at Johns Hopkins All Children’s Hospital in St. Petersburg, Florida. He is also an assistant professor in the Johns Hopkins Department of Plastic and Reconstructive Surgery. Dr. Rottgers received his undergraduate degree in biology and philosophy from Rice University in Houston and his medical degree from Baylor College of Medicine, graduating with highest honors. He completed his residency in plastic surgery at the University of Pittsburgh and performed a fellowship in craniofacial surgery at Harvard Medical School and Boston Children’s Hospital. Dr. Rottgers joined the Johns Hopkins faculty in 2015. He currently serves as the Johns Hopkins All Children’s Hospital Chief of Pediatric Plastic Surgery, Director of the Cleft/Craniofacial Team, and Co-director of the Vascular Anomalies Clinic in St. Petersburg.
Jordan Halsey, M.D.
Plastic and Reconstructive Surgery
Dr. Jordan Halsey holds an undergraduate degree in biochemistry from Lee University. She graduated with high honors from the University of Tennessee College of Medicine, receiving a doctorate of medicine. She completed a residency in integrated plastic surgery at Rutgers-New Jersey Medical School, then subsequently completed an additional fellowship in pediatric plastic and craniofacial surgery at Nationwide Children Hospital-Ohio State University. She joined the Johns Hopkins faculty in 2021 as a pediatric craniofacial surgeon in the Johns Hopkins All Children’s Hospital Division of Pediatric Plastic Surgery.
