The pediatric vascular anomalies team at Johns Hopkins All Children's includes experts from across specialties who work together to treat children and teens.
The Vascular Anomalies team at Johns Hopkins All Children’s Hospital uses a comprehensive approach that brings together specialists from multiple disciplines to address your child’s individual needs, often including:
- General Surgery
- Interventional Radiology
- Plastic and Reconstructive Surgery
S. Alex Rottgers, M.D. Plastic Surgery
Dr. Rottgers practices in the pediatric plastic and craniofacial surgery programs and is chief of the division of plastic and reconstructive surgery at Johns Hopkins All Children’s Hospital. His areas of special interest are vascular anomalies and in the treatment of cleft and craniofacial conditions including cleft lip and palate, craniosynostosis, hemifacial microsomia, microtia, and other abnormalities of the face and jaw.
View S. Alex’s Bio
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.
View Mark’s Bio
Christopher Francis, M.D. Radiology
Dr. Francis specializes in diagnostic and interventional radiology with a special interest in in pediatric interventional oncology at Johns Hopkins All Children’s Hospital. He joined the medical staff in 2018. He was previously a radiologist with Radiology Associates of St. Petersburg. Dr. Francis earned his medical degree from the University of Florida College of Medicine. He completed his internship in medicine, surgery and diagnostic radiology, a residency in diagnostic radiology and a fellowship in vascular interventional radiology at the University of South Florida Morsani College of Medicine.
View Christopher’s Bio
Paul Danielson, M.D. Surgery - Pediatric
Dr. Danielson became chair of the Johns Hopkins All Children's Department of Surgery in 2020 after serving in that role on an interim basis beginning in December 2018. He specializes in general surgery and was an early adopter of minimally invasive surgical techniques, developing expertise in treating chest wall deformities. He founded the first fellowship sponsored by Johns Hopkins All Children’s Hospital in pediatric surgery and was also instrumental in bringing the National Quality Improvement in Surgery Program to the institution. IDr. Danielson was named Johns Hopkins All Children’s Hospital physician of the year in the 2015 Johns Hopkins Medicine Clinical Excellence Awards and in 2017 was named director of innovative training and education. He joined the hospital staff in 2008.
View Paul’s Bio
Derek Hess, M.D. Ophthalmology
Dr. Hess specializes in pediatric ophthalmology in the Johns Hopkins All Children’s Department of Pediatric Medicine. He served as chief of the medical staff from 2017-2019. He joined the Johns Hopkins All Children’s Hospital medical staff in 2004. Dr. Hess earned his medical degree from the University of South Florida Morsani College of Medicine in Tampa, Florida. He trained as an ophthalmology resident at Medical College of Virginia and completed a pediatric ophthalmology fellowship at Duke University Eye Center.
View Derek’s Bio
Wade Cressman, M.D. ENT / Otolaryngology
Dr. Cressman is a pediatric otolaryngologist (ear, nose and throat specialist) at Johns Hopkins All Children’s Hospital. His clinical interests include reconstruction of the airway, paranasal sinus disease and ear-related problems.
View Wade’s Bio
Kathleen Wasylik, M.D. ENT / Otolaryngology
Dr. Wasylik is a pediatric otolaryngologist (ear, nose and throat specialist) at Johns Hopkins All Children’s Hospital. Her clinical interests include cochlear implants, bone anchored hearing aids, sinus surgery, airway reconstruction and cleft palates.
View Kathleen’s Bio
Lee Phillips, M.D. Orthopaedics
Dr. Phillips is a pediatric orthopaedic surgeon at Johns Hopkins All Children’s Hospital. He sees patients in the St. Petersburg and Tampa locations of Children's Orthopaedic and Scoliosis Surgery Associates (COSSA), L.L.P., and Johns Hopkins All Children’s Outpatient Care, Sarasota.
View Lee’s Bio
Marguerite Crawford, M.D. Cardiology - Pediatric
Dr. Crawford is a general pediatric cardiologist and director of cardiac MRI (magnetic resonance imaging) imaging at the Johns Hopkins All Children’s Heart Institute. She is an assistant professor of pediatrics with the Johns Hopkins University School of Medicine. After graduating from the University of Louisville School of Medicine, she completed a pediatric residency, served as chief pediatric resident and then did her pediatric cardiology fellowship at the University of Virginia. Dr. Crawford obtained additional training in cardiac MRI imaging during her fellowship at Virginia and also was a fellow in cardiac MRI at Children’s Hospital Boston.
View Marguerite’s Bio
Michelle Miller, M.D. Cardiology - Pediatric
Dr. Miller specializes in pediatric, fetal and adult congenital heart disease, with a particular focus in fetal medicine. She works closely with prenatal practitioners throughout the area to offer safe, well-planned pregnancies and deliveries and educates local pediatric caregivers and community hospitals in caring for children and pregnant women with cardiac issues. After completing her pediatric cardiology fellowship at UCLA, Miller became the director of fetal cardiology at Cedars-Sinai Medical Center in Los Angeles and an associate professor of medicine in the UCLA Department of Pediatrics. Having relocated to Florida in 2010, Dr. Miller is an associate professor of medicine with the Florida State University Medical School. She has published multiple scholarly articles on pediatric and fetal cardiology. Recently, Dr. Miller began cataloging the cardiac pathology library at Johns Hopkins All Children’s Hospital, a project that will make a significant contribution to education and research.
View Michelle’s Bio
Allen Root, M.D. Endocrinology
Dr. Root is a pediatric endocrinologist. A graduate of Harvard Medical School, Dr. Root completed his internship at Strong Memorial Hospital, Rochester, NY and his pediatric residency at University of Pennsylvania, followed by a fellowship in pediatric endocrinology at Children's Hospital of Philadelphia, University of Pennsylvania. After serving on the medical faculty of the University of Pennsylvania and Temple University, Dr. Root joined the University of South Florida College of Medicine in 1973, serving as professor of pediatrics, associate and vice-chair of the Department of Pediatrics, and director of the pediatric residency program.
View Allen’s Bio
Ignacio Gonzalez-Gomez, M.D. Pathology
Dr. Gonzalez-Gomez is a pathologist at Johns Hopkins All Children’s Hospital. He joined the hospital staff in 2009. His research interests include pediatric neuropathology and in particular neuro-oncogenesis, the search for the etiology or processes that lead to the development of brain tumors, including cellular morphologic features, patterns of growth, immunophenotype, metabolism, proliferation, apoptosis/necrosis, vascularization and response to therapy.
View Ignacio’s Bio
Hector Monforte, M.D. Pathology
Dr. Monforte is the director of the Tissue-Based Diagnosis and Research Core, in addition to serving as the director of the pediatric biorepository at Johns Hopkins All Children’s Hospital. He is also the director of anatomic pathology at the hospital, where he was an attending pathologist from 1991 through 1993 and then returned in 2005 after 12 years as an attending pathologist at Children’s Hospital Los Angeles.
View Hector’s Bio
Jennifer Katzenstein, Ph.D. Psychiatry / Psychology
Dr. Katzenstein is the director of psychology and neuropsychology at Johns Hopkins All Children’s Hospital. 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. After graduating from Indiana University Purdue University Indianapolis, she completed a pediatric internship and fellowship at Texas Children's Hospital/Baylor College of Medicine. Dr. Katzenstein is board certified in pediatric neuropsychology and clinical neuropsychology.
View Jennifer’s Bio
Susan Buffington, ARNP Radiology
Heather King, ARNP Cardiology
Natalie Mercado, PA Radiology
Olivia Milazzo, PA Radiology
Aleshia Pringle, ARNP Plastic Surgery
Michelle Walker, ARNP Radiology