Department of Family Medicine – Regional Programs
Kenneth Ross, M.D.
Kenneth Ross, M.D., has joined the Department of Family and Preventive Medicine and UAMS Southwest Regional Campus in Texarkana as an Assistant Professor. Dr. Ross received his medical degree from the American University of the Caribbean in 2009 and completed his family medicine residency training at UAMS. Prior to returning to UAMS, Dr. Ross was a member of the Southern California Permanente Medical Group in West Los Angeles. During his tenure at Kaiser, he was named the Baldwin-Hills Crenshaw Adult Primary Care Physician of the Year in 2019.
Department of Internal Medicine
Nazish Malik, M.D.
Nazish Malik, M.D., has joined the Department of Internal Medicine as an Assistant Professor and hospitalist in the Division of Hematology/Oncology. Dr. Malik received her medical degree from Sargodha Medical College in Pakistan in 2012. She completed her internal medicine residency at Temple University/Conemaugh Memorial Medical Center in Johnstown, Pennsylvania, in 2021. Prior to her residency, Dr. Malik worked as a Medical Officer in the Department of Internal Medicine at District Headquarters Hospital in Pakistan and completed an internship at Johnstown Cardiology Associates.
Muhammad Nazir, M.D.
Muhammad Nazir, M.D., has joined the Department of Internal Medicine as an Assistant Professor in the Division of Hospital Medicine. Dr. Nazir received his medical degree from Aga Khan University Medical College in Pakistan in 2010. He completed his residency in internal medicine at Louis A. Weiss Memorial Hospital in Chicago in 2017 and served as Chief Resident the following year. After completing his residency, Dr. Nazir joined Baptist Health Medical Center in Conway, Arkansas, as an internal medicine hospitalist.
Department of Neurology
Gaby K. Jabbour, M.D.
Gaby K. Jabbour, M.D., has joined the Department of Neurology as an Assistant professor on the Stroke and Neurocritical Care team. Dr. Jabbour received his bachelor’s degree in biology and medical degree from the Balamand University in Lebanon, where he was ranked first in his class and graduated with high honors. He completed residency training in surgery, serving as Chief Resident in 2015, at Hamad Medical Corp. in Qatar, where he also completed a fellowship in trauma critical care. He continued his training with a fellowship in surgical critical care at Westchester Medical Center in New York and a fellowship in neurocritical care at Yale New Haven Hospital in Connecticut. He is currently working toward a Master’s in Public Health from the University of Minnesota.
Dr. Jabbour has extensive experience managing traumatic brain injuries and neurosurgical emergencies. His research interests include trauma, critical care and injury prevention, and he has published numerous articles in high-impact journals.
Department of Pediatrics
Lauren Appell, M.D., has joined the Department of Pediatrics as an Assistant Professor in the Hematology/Oncology Section. Dr. Appell earned her medical degree at the University of Alabama School of Medicine and completed her pediatrics residency at UAMS. She continued her training with a fellowship in pediatric hematology and oncology at UAMS. Dr. Appell has worked on several research projects as a research assistant and sub-investigator, including a study of novel therapies for the prevention of graft-versus-host-disease supported with a $15,000 grant from the Arkansas Children’s Research Institute.
Lindsay Arthur, M.D., has joined the Department of Pediatrics as an Assistant Professor in the Pediatric Cardiology Section. Dr. Arthur earned her medical degree at St. George’s University School of Medicine in West Indies, Grenada. She completed her pediatrics residency at the University of Florida College of Medicine, where she also served as Pediatric Chief Resident. Dr. Arthur completed an advanced imaging fellowship and pediatric cardiology fellowship at UAMS and is currently working toward a Master of Public Health degree from Harvard University.
Tyler Cunningham, M.D., has joined the Department of Pediatrics as an Assistant Professor in the Pediatric Cardiology Section. He received his medical degree from the Medical College of Georgia at Augusta University and completed his pediatrics residency at St. Louis Children’s Hospital at Washington University in St. Louis. Dr. Cunningham continued his training with a pediatric cardiology fellowship at Nationwide Children’s Hospital in Columbus, Ohio, and a pediatric critical care fellowship at UAMS. He is currently working on a pair of research projects associated with urinary biomarkers as indicators of kidney injury.
Department of Psychiatry
Natashia Bottoms, M.D.
Natashia Bottoms, M.D., has joined the Department of Psychiatry as an Assistant Professor. Dr. Bottoms earned her Bachelor of Science in biochemistry and molecular biology at Hendrix College in Conway, Arkansas. She received her medical degree at UAMS in 2017. Dr. Bottoms recently completed a triple-board residency in pediatrics, adult psychiatry, and child and adolescent psychiatry at the University of Utah in Salt Lake City, where she also served as Chief Resident. Dr. Bottoms sees patients in the Psychiatric Research Institute’s Child Study Center and will be collaborating with Arkansas Children’s Hospital and the Dennis Developmental Center to develop a program to meet the needs of children with developmental disabilities.
Department of Radiation Oncology
Wen Chien Hsi, Ph.D.
Wen Chien Hsi, Ph.D., has joined the Department of Radiation Oncology and Proton Center as an Associate Professor and medical physicist. Dr. Hsi has been on the forefront of proton therapy science and medical physics for more than 20 years. Among many leadership appointments, he has served as senior medical physicist at the McLaren Proton Therapy Center in Flint, Michigan, the Shanghai Proton Center in Shanghai, China, and the Miami Cancer Institute. Most recently, he served since 2018 as an Assistant Professor at the University of Florida Health Proton Therapy Institute in Jacksonville, where he established the quality-control program for the proton center’s multiple-room delivery system.
Dr. Hsi received his Bachelor of Science in physics at Soochow University in Taiwan. He earned his doctorate in nuclear physics at Michigan State University in East Lansing, Michigan, in 1995. He served as a Research Associate at Indiana University Cyclotron Facility in Bloomington, Indiana, for four years and then continued his training as a medical physics fellow at Rush University Medical Center in Chicago in 1999-2001.
Department of Surgery
Robert J. Vandewalle, M.D., M.B.A.
Robert Vandewalle, M.D., M.B.A., has joined the Department of Surgery as an Assistant Professor in the Division of Pediatric Surgery. Dr. Vandewalle received his medical degree and Master of Business Administration at the Indiana University School of Medicine. He completed his general surgery residency at the University of Tennessee at Chattanooga and then did pediatric surgery outcomes research at both Indiana University and Emory University. Dr. Vandewalle went on to train in surgical critical care at Le Bonheur Children’s Hospital in Memphis, followed by a pediatric general surgery fellowship at Emory University in Atlanta in 2022. His focus will be in pediatric surgical critical care as well as minimally invasive surgery/bariatric surgery.