Norton Healthcare and Norton Children’s New Providers
LOUISVILLE Norton Healthcare announced new providers who joined in January through March 2026.
Kristian A. De Nagel, MD, is a board-certified sports medicine physician specializing in the diagnosis and nonsurgical treatment of acute and chronic musculoskeletal injuries. He cares for patients of all ages and activity levels, from competitive athletes to active adults and seniors.
De Nagel completed his medical degree at St. George’s University School of Medicine in Grenada and his family medicine residency at the University of Arkansas Northwest Regional Campus in Fayetteville, where he served as chief resident. He completed his primary care sports medicine fellowship through Prisma Health and the University of South Carolina in Columbia.
With advanced training in musculoskeletal ultrasound, De Nagel provides real-time imaging for precise diagnosis and treatment planning. He performs a variety of ultrasound-guided procedures. His clinical interests include concussion management, inflammatory arthropathies, nonsurgical fracture care, and exercise physiology.
Known for his patient-centered and evidence-based approach, De Nagel emphasizes individualized care designed to restore function, prevent injury, and promote long-term musculoskeletal health.
Naomi-Liza Denning, MD, is a pediatric surgeon with Norton Children’s Surgery. She earned her medical degree from the Medical College of Wisconsin in Milwaukee. She completed her residency training in general surgery at Long Island Jewish/Northwell Health Surgery GME in Glen Oaks, New York, and specialized fellowships in pediatric colorectal surgery and pediatric surgery at Cincinnati Children’s Hospital Medical Center in Ohio and Children’s Mercy Hospital in Kansas City, Missouri. She is board certified in general surgery.
Denning provides care for children with a wide range of surgical needs, with a special interest in pediatric colorectal surgery. She is committed to providing patient-centered care and working closely with families to ensure they feel informed and supported throughout the surgical process.
Stephanie J. Kwon, DO, is a pediatric hospital medicine physician with Norton Children’s Inpatient Care. She earned her medical degree from Kansas City University in Missouri and completed her pediatric residency at the University of Louisville School of Medicine.
Kwon is passionate about improving the quality of care for children and advocating for child health at every level. She provides compassionate, evidence-based care to help children heal and families feel supported during hospital stays.
Ahmad Marashly, MD, is a pediatric epileptologist with Norton Children’s Neuroscience Institute. He earned his medical degree from Damascus University Faculty of Medicine in Syria. He completed his pediatric residency at Louisiana State University Health Sciences Center in Shreveport, and a pediatric neurology fellowship at Cleveland Clinic Foundation in Ohio. He then completed additional fellowships in epilepsy and clinical neurophysiology at Case Western Reserve University Hospital in Cleveland.
Marashly specializes in treating children with drug-resistant epilepsy, particularly those who may benefit from epilepsy surgery. He is an active member of several professional organizations, including the American Epilepsy Society, the American Clinical Neurophysiology Society, and the Child Neurology Society.
Katelyn A. Yackey, MD, is a pediatrician with Norton Children’s Hospital Medicine, affiliated with the UofL School of Medicine. She earned her medical degree from the University of Kentucky College of Medicine in Lexington. She completed her residency in pediatrics at the University of Louisville School of Medicine and a fellowship in pediatric emergency medicine at Nationwide Children’s Hospital in Columbus, Ohio.
Yackey focuses on providing thorough and evidence-based care. Her goal is to care for her patients individually while also meeting the needs of their families.
Maher Alchreiki, MD, is an infectious diseases physician with Norton Infectious Diseases Specialists. He earned his medical degree from Tishreen University Faculty of Medicine in Lattakia, Syria. He completed his internal medicine residency at Richmond University Medical Center in Staten Island, New York, and a fellowship in infectious diseases at the Medical College of Georgia at Augusta University.
Alchreiki has extensive experience diagnosing and managing complex infectious conditions in adult patients. His clinical expertise includes the evaluation and treatment of HIV infection, acute and chronic viral hepatitis, tuberculosis, endemic and opportunistic fungal infections, Clostridioides difficile, and other gastrointestinal infections, bloodstream and device-related infections, tick- and mosquito-borne illnesses, pneumonia, MRSA, and skin and soft tissue infections.
He emphasizes evidence-based care, antimicrobial stewardship, and the long-term management of chronic infectious diseases. Alchreiki has contributed to peer-reviewed medical literature and has served as a sub-investigator in multicenter clinical trials.
Megan C. Kemp, MD, is a pediatric anesthesiologist who works with Norton Children’s Anesthesiology. She earned her medical degree from the University of Queensland Ochsner Clinical School in New Orleans. She completed her residency in anesthesia and perioperative medicine at the Medical College of Georgia, Augusta, and a fellowship in pediatric anesthesia at Vanderbilt University Medical Center in Nashville, Tennessee. Kemp also completed an additional year of specialized training in pediatric cardiac anesthesia at Riley Hospital for Children at Indiana University, Indianapolis.
Kemp chose to focus on caring for children with congenital heart disease because it is a fast-growing field with ongoing research and new treatments. She values the chance to build strong relationships with patients and families and to provide consistent, supportive care throughout their medical journey.
Saint Joseph Health Welcomes New Physician and Provider
WINCHESTER Saint Joseph Health welcomes Tyler Elam, DO, to Saint Joseph Medical Group – Primary Care in Winchester. A native of Farmers, Kentucky, near Morehead, Elam never wavered from his choice of primary care in his practice of medicine.
He earned his DO from the University of Pikeville Kentucky College of Osteopathic Medicine in 2014 and completed his residency at East Tennessee State University Quillen College of Medicine – Bristol Family Medicine Residency in June 2017.
“I grew up in a farming community and, particularly in my family, I would see deficits in medical care,” Elam says. “My grandfather was a pastor and had a lifelong struggle with diabetes. I remember moments as a kid when I perceived that he didn’t have resources to get his medicine or seek care.”
Elam will see patients at Saint Joseph Medical Group – Primary Care, 1850 Bypass Road in Winchester.
LEXINGTON Saint Joseph Health welcomed Cameron Scheitzach, PA-C, to its team at Saint Joseph Medical Group – Maternal-Fetal Medicine in Lexington.
Scheitzach completed her Masters of Physician Assistant Studies at the University of Kentucky in June 2025.
A native of Orlando, Florida, Scheitzach was a member of the 2021 Division I National Championship volleyball team for the University of Kentucky, where she earned a BS in education with a concentration in kinesiology. She completed multiple rotations within primary and specialty care in central and eastern Kentucky during her time in physician assistant studies.
Scheitzach will see patients at Saint Joseph Medical Group – OB-GYN, 170 N Eagle Creek Suite 110, in Lexington.
Harrison Memorial Hospital Welcomes New Member to Orthopaedics & Sports Medicine Team
CYNTHIANA Harrison Memorial Hospital (HMH) welcomed Shivani Sadwal, DO, sports medicine physician, to its Orthopaedics & Sports Medicine team. Sadwal joins Jason Hunt, DO, orthopedic surgeon, along with Abigail Guy, PA-C, and Michael Wiles, PA-C, in providing a full spectrum of orthopedic and sports medicine care for the region.
Sadwal earned her BS in biopsychology, cognition, and neuroscience from the University of Michigan, Ann Arbor, Michigan. She received her DO degree from Alabama College of Osteopathic Medicine in Dothan, Alabama.
Sadwal completed her family medicine residency at Authority Health GME in Detroit and a primary care sports medicine fellowship at TriHealth in Cincinnati, Ohio. She is a diplomate of the American Board of Family Medicine with a Certificate of Added Qualification (CAQ) in sports medicine.