Valerie Lyn Curren, MBBCh

Nigel N. Hsu, M.D., is an orthopaedic foot and ankle surgeon serving patients in the Baltimore and Howard County areas. He is an assistant professor in the Department of Orthopaedic Surgery. Dr. Hsu specializes in comprehensive surgical care of the foot and ankle. He is an expert in total ankle replacement, foot and ankle deformity correction, foot and ankle arthritis, sports-related injuries, ankle arthroscopy, bunions, lesser toe deformities and fracture care. Dr. Hsu employs the latest technology in total ankle arthroplasty and minimally invasive techniques to achieve the best outcomes for his patients. Dr. Hsu completed his orthopaedic foot and ankle fellowship at Union Memorial Hospital in Baltimore. Prior to that, he earned his medical degree and completed his residency in orthopaedic surgery at the Johns Hopkins University School of Medicine. He graduated with honors in chemistry and studio art from Dartmouth College.Dr. Hsu has authored numerous publications, book chapters and has presented research nationally. He is an accomplished artist and is a member of several professional organizations, including the American Academy of Orthopaedic Surgeons and American Orthopaedic Foot and Ankle Society.

Lucas Nikkel, M.D., is an orthopaedic surgeon specializing in hip and knee replacement. He has experience in treating people who have severe hip and knee arthritis, fractures and related conditions, as well as in performing a variety of joint replacement and reconstruction procedures. He is especially skilled in the minimally invasive anterior hip replacement approach.Dr. Nikkel attended Dartmouth College, and obtained his medical degree from the Pennsylvania State University College of Medicine. He completed a residency in orthopaedic surgery at the University of Rochester School of Medicine and Dentistry, and continued his training with a fellowship in adult reconstruction surgery at Duke University Medical Center in Durham, North Carolina. Before joining Johns Hopkins, he worked as an assistant professor of orthopaedic surgery at the Penn State College of Medicine for four years.During his training, Dr. Nikkel gained experience as a team physician for several high school and college sports teams, including hockey, soccer and football. He has received multiple awards, including a Merck Award for Academic Excellence and the Young Investigator Award from the American Society for Bone and Mineral Research.Dr. Nikkel’s research interests include approaches to hip and knee replacement, hip fracture management and outcomes, and fracture risk assessments. He co-authored numerous research publications on these topics, and has received awards for presenting his findings at national conferences. Dr. Nikkel is a fellow of the American Academy of Orthopaedic Surgeons.

Dr. Carmel Bogle is a pediatric cardiologist seeing patients at Johns Hopkins Children’s Center’s locations in Annapolis, Columbia, Bethesda, Hagerstown and Frederick, Maryland in addition to telemedicine visits. Dr. Bogle specializes in the diagnosis and treatment of pediatric cardiology, pediatric cardiomyopathy, heart failure in children and pediatric heart transplantation. After completing her pediatric residency at Lucile Packard Children’s Hospital at Stanford in 2016, Dr. Bogle completed her pediatric cardiology fellowship in 2019 at Lurie Children’s Hospital of Chicago. In 2020, she completed training in advanced cardiac therapies for heart failure, heart transplant, and ventricular assist devices at Boston Children’s Hospital.