Please join us in welcoming these recent additions to the College of Medicine faculty.
Department of Anesthesiology
Kristel Magsino, M.D.
Kristel Magsino, M.D., has joined the Department of Anesthesiology as an Associate Professor. She will serve at both UAMS and Arkansas Children’s. Dr. Magsino received her medical degree from Loma Linda University School of Medicine in Loma Linda, California. She completed her residency in anesthesiology at Loma Linda and continued her training with a fellowship in pediatric anesthesiology at the University of California, Los Angeles. Dr. Magsino served as an Assistant Professor in the Division of Pediatric Anesthesiology at Loma Linda University prior to her recruitment to UAMS.
Jessie Merrill, M.D.
Jessie Merrill, M.D., has joined the Department of Anesthesiology as an Assistant Professor. Dr. Merrill received her medical degree at the Ohio State University in Columbus. She completed her residency in anesthesiology at UAMS and continued her training with a fellowship in obstetric anesthesiology at Ohio State. Dr. Merrill served as an obstetric anesthesiologist in Cleveland for the past year before joining UAMS.
Department of Emergency Medicine
Calixto Romero, M.D.
Calixto Romero, M.D., has joined the faculty as an Assistant Professor in the Department of Emergency Medicine and specialist in the Medical Intensive Care Unit. Dr. Romero received his medical degree at the American University of the Caribbean in St. Maarten. He completed his emergency medicine residency at the University of South Florida/HCA Florida Brandon Hospital, where he served as Chief Resident during his final year. Dr. Romero continued his training in New England, completing a fellowship in critical care medicine with Dartmouth Health in Lebanon, New Hampshire. While at Dartmouth, he spent a considerable amount of time with the flight program, DHART, serving as a Clinical Instructor and focusing on advanced procedures in flight as well as deployment of ultrasound in the field. During his fellowship training, he also served as an emergency medicine attending physician at a rural critical access emergency department in Claremont, New Hampshire.
Department of Internal Medicine
Russell Roark, M.D.
Russell Roark, M.D., has joined the Department of Internal Medicine as an Instructor in the Division of Gastroenterology. Dr. Roark received his medical degree in 2017 from the University of Texas Medical Branch School of Medicine in Galveston, where he also completed a residency in internal medicine. Dr. Roark came to UAMS in 2021 to continue his training as a fellow in the Division of Gastroenterology and is currently completing his last year as the Advanced Endoscopy Fellow.
Alan P. Baltz, M.D.
Alan Baltz, M.D., has joined the Department of Internal Medicine as an Assistant Professor in the Division of Hematology/Oncology. Dr. Baltz received his medical degree from UAMS in 2018 and remained at UAMS for his internal medicine residency. He spent the following year as a research fellow at MedStar Health in Columbia, Maryland. Dr. Baltz continued his training with a fellowship in hematology/oncology at UAMS, where he served as Chief Fellow his final year. Dr. Baltz has received many honors and awards during his training and has been active in scholarly work. He has served as a reviewer for the American Journal of Hospice and Palliative Medicine.
Khristian M. Sunga, M.D.
Khristian Sunga, M.D., has joined the Department of Internal Medicine as an Assistant Professor in the Division of Hospital Medicine. Dr. Sunga received his medical degree from Southern Illinois University School of Medicine in Springfield in 2016. He completed his internal medicine residency at Indiana University. Dr. Sunga worked as a hospitalist at Indiana University Methodist Hospital for two years and went on to serve for two years as an attending physician at Mercy St. Louis.
Einnod Williams, M.D., MPH
Einnod Williams, M.D., MPH, has joined the Department of Internal Medicine as an Assistant Professor in the Division of Hospital Medicine. Dr. Williams received his medical degree and Master of Public Health from UAMS in 2021. He completed his internal medicine residency at UAMS in June 2024. While in medical school, he was active and served as a leader in the Student National Medical Association (SNMA).
Department of Medical Humanities and Bioethics
Eva Regel, D.Be.
Eva Regel, D.Be., has joined the Department of Medical Humanities and Bioethics as an Assistant Professor. After serving in social work, Dr. Regel received her doctorate in bioethics at Loyola University in Chicago and went to serve as a clinical ethicist at Mass General in Boston. She holds multiple master’s degrees, including one in bioethics from Harvard University, one in social work from Boston College, and one in economics from the University of Houston. Dr. Regel will focus much of her time on clinical ethics at both UAMS and Arkansas Children’s Hospital. She has special interests in the ethics of burn care and psychiatry.
Department of Obstetrics and Gynecology
Kristina Jones, M.D.
Kristina Jones, M.D., has joined the Department of Obstetrics and Gynecology as an Assistant Professor in the Division of General Obstetrics and Gynecology. Dr. Jones earned her medical degree from the University of Mississippi in 2014. She also completed her residency in obstetrics and gynecology at the university, where she served as Residency Education Chief. Dr. Jones has held previous academic appointments at the University of California, Davis and Texas A&M University, where she was an Assistant Professor with the Baylor Scott and White Women’s Health Group in Dallas. While there, she was honored with the Baylor Resident Teaching Award, the Chief Resident Teaching Award and the Medical Student Teaching Award.
Viktoriya Tulchinskaya, M.D.
Viktoriya Tulchinskaya, M.D., has joined the Department of Obstetrics and Gynecology as an Assistant Professor in the Division of Pediatric and Adolescent Gynecology.Dr. Tulchinskaya received her medical degree at the University of Kansas. She completed her obstetrics and gynecology residency at the University of Louisville Hospital. She continued her training with a fellowship in pediatric and adolescent gynecology at Cincinnati Children’s Hospital Medical Center. Her clinical interests include the breadth of pediatric and adolescent gynecology, including management of heavy menstrual bleeding and bleeding disorders, as well as surgical management of Müllerian anomalies and adnexal masses.
Department of Pediatrics
Hannah G. Barkley, M.D., M.S.
Hannah Barkley, M.D., M.S., has joined the Department of Pediatrics as an Instructor and Pediatric Chief Resident. Dr. Barkley received her medical degree at Louisiana State University Health Shreveport School of Medicine. She completed her pediatric residency at UAMS and Children’s Hospital in June 2024. Dr. Barkley is interested in medical education, advocacy and wellness within medical training programs.
Devin W. Cook, D.O.
Devin Cook, D.O., has joined the Department of Pediatrics as an Instructor and Pediatric Chief Resident. Dr. Cook received his medical degree from the Arkansas College of Osteopathic Medicine in Fort Smith. He completed his pediatric residency at UAMS and Arkansas Children’s Hospital. Dr. Cook plans to pursue a career in developmental-behavioral pediatrics with a focus on autism diagnosis and research.
Collette M. Tilly, M.D.
Collette Tilly, M.D., has joined the Department of Pediatrics as an Instructor and Pediatric Chief Resident. Dr. Tilly earned her medical degree at Louisiana State University Health Sciences Center in Shreveport. She completed her internal medicine-pediatrics residency at UAMS and Arkansas Children’s Hospital. She is currently pursuing a fellowship in allergy-immunology. In addition to her clinical responsibilities, Dr. Tilly is interested in medical education, curriculum development and quality improvement initiatives.
Hamza Hassan Khan, M.D.
Hamza Hassan Khan, M.D., has joined the Department of Pediatrics as an Assistant Professor in the Gastroenterology, Hepatology, and Nutrition Section. Dr. Khan received his medical degree at Shifa College of Medicine, Shifa Tameer-e-Millat University, Islamabad, Pakistan. He worked as a research assistant at the Transplant Center for Children, MedStar Georgetown University Hospital, in Washington, D.C., before completing his pediatric residency and serving as a Chief Pediatric Resident at Ascension St. John Children’s Hospital in Detroit. He continued his training with a fellowship in pediatric gastroenterology, hepatology and nutrition at Shawn Jenkins Children’s Hospital, Medical University of South Carolina, in Charleston. Dr. Khan’s clinical focus is advanced and transnasal endoscopy. Active in clinical research, he secured an intramural grant during his fellowship to study intestinal ultrasound findings compared to endoscopy at diagnosis in pediatric inflammatory bowel disease patients.
Department of Psychiatry
Kyle Camp, M.D.
Kyle Camp, M.D., has joined the Department of Psychiatry as an Assistant Professor. Dr. Camp graduated from the UAMS College of Medicine in 2019 and completed his residency in psychiatry at UAMS in 2022. He continued his training with a post-graduate fellowship in child and adolescent psychiatry at UAMS. Dr. Camp provides telehealth psychiatry services to children and adolescents at the UAMS Child Study Center and STRIVE programs and sees adult patients at the Psychiatric Research Institute-Northwest in Fayetteville. He also sees patients in the University of Arkansas’ student mental health service.
Erin Jefferson, M.D.
Erin Jefferson, M.D., has joined the Department of Psychiatry as an Instructor and the inaugural UAMS Women’s Mental Health Fellow. Dr. Jefferson graduated from the UAMS College of Medicine in 2020 and completed her residency in psychiatry at UAMS this spring. Dr. Jefferson cares for patients in the UAMS Psychiatric Research Institute’s Women’s Mental Health Clinic and on the Women’s Inpatient Unit.
Laura K. Rohm, Psy.D.
Laura Rohm, Psy.D., has joined the Department of Psychiatry as an Assistant Professor. Dr. Rohm received her undergraduate degree in psychology from Loyola University in New Orleans in 2015. She received a Master’s in Health Science from Louisiana State University Health Science Center in New Orleans in 2017. She continued her education at the Chicago School of Professional Psychology at Xavier University in New Orleans, where she received master’s and doctorate degrees in clinical psychology. She most recently completed a postdoctoral fellowship in trauma psychology at UAMS.
Dr. Rohm will see patients in the UAMS Psychiatric Research Institute’s Walker Family Clinic for evidence-based treatment of trauma. She will also work across the hospital to provide screening, assessment and brief interventions for trauma surgery and orthopaedic trauma patients. She plans to continue participating in research activities with the UAMS Health and Legal System (HEALS) Lab as well as UAMS Project HEAL.
Department of Radiology
Andrew Buchan, M.D.
Andrew Buchan, M.D., has joined the Department of Radiology as an Assistant Professor in the Division of Interventional Radiology. Dr. Buchan received his medical degree from Tulane University School of Medicine in New Orleans in 2018. He completed an integrated residency in diagnostic and interventional radiology at UAMS. Dr. Buchan served as Chief Resident in Diagnostic Radiology in 2022-2023. In 2022, he received the Chris Hackler Award for Excellence Medical Ethics, an honor awarded to one resident at UAMS each year.