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Department of Pediatrics: Pediatric Residency Program
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  1. University of Arkansas for Medical Sciences
  2. College of Medicine
  3. Department of Pediatrics
  4. Education
  5. Residencies
  6. Pediatric Residency Program
  7. Who We Are
  8. Program Directors

Program Directors

Oriaku A Kas-Osoka, M.D., MEd
Pediatric Residency Program Director
Associate Professor of Pediatrics
Email: OKasosoka@uams.edu
Website: Clinical Bio

Dr. Oriaku Kas-Osoka is the Director of the Pediatric Residency Program at UAMS and practices Adolescent Medicine at Arkansas Children's Hospital and Arkansas Children's Northwest. Dr. Kas-Osoka earned her medical degree from the Charles R. Drew University of Medicine and Science/University of California, Los Angeles, (CDU/UCLA) Joint Medical Education Program before completing her pediatric internship and residency at Children's Hospital & Research Center in Oakland, California. Dr. Kas completed her Adolescent Medicine Fellowship at Cincinnati Children’s Hospital Medical Center in Cincinnati, Ohio.

Dr. Kas-Osoka is passionate about helping adolescents and young adults through acceptance, encouragement and continued support along their journey. She truly embodies the mentorship needed in a residency director. Her passions include positively impacting her trainees, patients and colleagues, and is often heard sharing her motto, "Do Better, Be Better, Deserve and Expect Better."

April Clawson, M.D.
April G. Clawson, M.D.
Assistant Professor of Pediatrics, Associate Program Director, Pediatric Residency
Email: AGClawson@uams.edu
Website: Clinical Bio

Dr. Clawson is an associate program director for the Pediatric Residency Program at UAMS and practices Pediatric Emergency Medicine at Arkansas Children’s Hospital. She has done all her training at UAMS/ACH, including her medical degree, pediatric residency, and pediatric emergency medicine fellowship. As such, she has a passion for the continual betterment of this program and its residents. In her free time, Dr. Clawson loves to spend time with her husband and two children, travel, play board and card games, and read books.

Paul Drake, M.D.
Paul J. Drake, M.D.
Assistant Professor of Pediatrics
Email: pdrake@uams.edu
Website: Clinical Bio

Dr. Drake is an Associate Program Director for the Pediatric Residency Program at UAMS and practices Child Neurology at Arkansas Children’s Hospital. He earned his medical degree from the University of Arkansas for Medical Sciences and subsequently completed his residency in Child Neurology from UAMS as well. He is the director of the headache clinic and also has a special interest in concussion management,Neuro-critical care and functional neurological disorders.

Dr. Drake is a native of Little Rock and a graduate at the University of Arkansas at Fayetteville. He is married to his wife Courtney and has four children, Charlie, Cameron, Cash and Chloe. If you catch him outside of the hospital, you will probably witness him cheering on the Kansas City Chiefs or the Arkansas Razorbacks.

His experience during residency at Arkansas Children’s Hospital inspired him to have a passion for resident education, joining the Housestaff Office in January 2024. He is dedicated to growing the residency program to achieve new heights each year!

Rachel Millner, M.D.
Rachel O. Millner, M.D.
Interim Section Chief
Associate Professor of Pediatrics
Email: RMillner@uams.edu
Website: Clinical Bio

Dr. Millner is an associate program director for the Pediatric Residency Program at UAMS and practices Pediatric Nephrology at Arkansas Children’s Hospital. She earned her medical degree at UAMS, completed pediatric residency at University of Vermont, and her nephrology fellowship at Nationwide Children’s Hospital in Columbus, OH. In Nephrology she has an interest in management of chronic kidney disease associated with congenital anomalies of the urinary tract. She serves as the medical director of the Urology-Nephrology clinic and the Kidney Stone Clinic at ACH. Dr. Millner has a passion for sharing her knowledge and her enthusiasm for nephrology through teaching. In her educational pursuits, she is focused on redefining the culture of feedback and evaluation to help shape strong, well-rounded pediatricians. She loves serving as a coach, advisor, and mentor the residents in this program.

In her free time Dr. Millner loves to cook with her family, read very weird books, and hike.

Hannah Wilkins, M.D.
Medical Director of Simulation

Section: Pediatric Emergency Medicine
Medical School: Baylor College of Medicine
Residency: University of Arkansas for Medical Sciences
Fellowship: University of Arkansas for Medical Sciences

Dr. Wilkins graduated from Baylor College of Medicine and completed residency and fellowship training at UAMS/ACH. She grew up in Louisiana but has called Arkansas home for the past 10+ years. She enjoys bedside and hands-on teaching. She is a Certified Healthcare Simulation Educator (CHSE) and serves as the medical director of the Arkansas Children's Simulation Education Center. Outside of work, she enjoys spending time with her husband and children, hiking, and playing in the local community band. 

Sarah Sobik, MD, MPH, FAAP, NABBLM-C, Associate Professor, Section of Community Pediatrics
Sarah R. Sobik, MD, MPH, FAAP, NABBLM-C
Associate Professor of Pediatrics
Location: Arkansas Children's Hospital
Email: SRSobik@uams.edu
Website: Clinical Bio

Dr. Sarah Sobik was born and raised in Little Rock, Arkansas. She graduated medical school from the University of Arkansas for Medical Sciences in 2016. She completed a residency in pediatrics at UAMS and Arkansas Children’s, after which she joined as faculty in the Section of Community Pediatrics at UAMS and is also the Medical Director at the Arkansas Children’s Nutrition Center. Dr. Sobik set out to re-establish the Breastfeeding Medicine and Lactation Clinic at Arkansas Children’s and received her International Board Certified Lactation Consultant certification in spring of 2021 and her board certification in Breastfeeding and Lactation Medicine in 2023. Through her clinical work she offers lactation services in the Arkansas Children’s Breastfeeding and Lactation Medicine Clinic clinics to newborns and lactating mothers in Central Arkansas and other parts of the state that have limited lactation services through telemedicine. She has focused her research on improving breastfeeding rates in the clinic setting, specifically to at-risk populations, human milk composition, and early nutritional programming on breastmilk composition. Dr. Sobik’s clinical work and research focus is to improve health outcomes and nutrition for infants and their mothers from the start and to improve breastfeeding support for all infant-mother pairs in the state of Arkansas.

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