Meet other caregivers at REX Bariatric Specialists who help patients like you achieve their weight-loss goals.
Clinton S. Bolton III, Ph.D., LCMHC, LCMHC-S, NCC
Dr. Bolton received his Bachelor’s at The University of Florida before completing his Master’s Degree at The University of North Carolina at Chapel Hill. He then pursued his Ph.D. at North Carolina State University. He has provided mental health services to bariatric patients since 2007 and has been active with the American Society for Metabolic and Bariatric Surgery in training other mental health professionals on best practices in behavioral health with bariatric patients. Dr. Bolton has a passion for empowering patients and working with them throughout the weight loss journey.
Tricia Burns, PA-C
Joining the practice in 2013 Tricia is now the Advanced Practice Provider team lead for NC surgery. She is originally from Upstate New York and moved to Raleigh with her family in 2007. She completed the Physician Assistant Graduate Program with a surgical focus at Cornell University Weill Medical College in New York City. A seasoned provider, Tricia is happiest in the operating room, in addition to bariatric surgery she has experience in plastic surgery as well as neurosurgery. She spends her time outside of work, biking, hiking and training for Rex Sprint Triathlons.
Erica Mckearney, PA-C
, an Oregon native, earned her undergraduate degree from Oregon State University. She earned a masters degree in Physician Assistant Studies from Methodist University in 2011. She worked as a Physician Assistant in urgent care and family practice for five years before joining REX Bariatric Specialists in 2016. She enjoys reading, hiking, walking her dog, and spending time with her friends and family.
Hannah Garehan, PA
Hannah, a Louisiana native, initially joined the Rex Bariatrics team as a dietitian in 2017. She then completed her master’s degree in physician assistant studies at Campbell University. Hannah began her career in Gastroenterology, evaluating and treating patients in a busy clinic for a year before rejoining Rex Bariatrics in 2022. She enjoys spending time with her cats and her family.
Afton Carducci, M.M.S., P.A.-C.
Afton received her Master of Medical Science degree in Physician Assistant Studies at Lincoln Memorial University – DeBusk College of Osteopathic Medicine. She completed additional surgery specific training at the WakeMed Surgical Physician Assistant Residency Program in trauma, gastrointestinal surgery, intensive care and orthopaedics. After residency she worked in a surgical practice focused on colorectal and general surgery prior to joining REX Bariatric Specialists in 2018.
Mary Gray Hixson, MPH, RD, CSOWM, LDN
Mary Gray Hixson, MPH, RD, CSOWM, LDN
is a graduate of NC State University with an advanced degree from the University of North Carolina at Chapel Hill. She has been providing nutrition therapy and education in the Raleigh area since 2008. She has been working with weight loss surgery patients for most of her career. She has a passion for facilitating group classes, grocery store tours and cooking demonstrations.
Margaret Roberts, MS, RD, LDN
Margaret Roberts received her master of science in Nutrition from the University of Pittsburgh. She has provided nutrition counseling within a variety of environments, including a weight loss surgery practice, cardiac rehabilitation, and a dialysis clinic. She enjoys seeing the positive ways that nutrition can impact a person’s life. She moved to Raleigh with her husband, cat, and English bulldog to escape the cold Pittsburgh winters.
Kristen Kistler, M.S., R.D., L.D.N.
Kristen holds a Bachelor of Science degree in Nutrition Science from Texas Christian University and a Master of Science degree in Nutrition Science from Texas Tech University. She has been providing nutrition counseling and practice medical nutrition therapy to patients with a variety of health conditions since 2007. She believes that nourishing your body with whole foods is the first step to living a healthier and happier life. She is passionate about educating and empowering patients to improve their overall health through making sound nutrition decisions. She enjoys running, cooking, exploring farmers’ markets, traveling, and spending time with her friends, family and rescue pup, Hudsy.
Liz Langston, M.S., R.D., L.D.N., C.D.C.E.S
Liz graduated with her bachelors and masters of nutrition from East Carolina University. Since 2004, she has been providing medical nutrition therapy, in a variety of settings, across NC, specializing in diabetes care and education. Liz has a passion for helping patients build confidence as they develop healthy habits. In her free time, she enjoys traveling with her husband to see The Avett Brothers, entertaining friends and family, and chasing her daughter and dog.
Laura Turik, R.N., C.B.N.
Laura has been a registered nurse for over 30 years with experience in both the clinic setting as well as the operating room. She joined Rex Bariatrics over 3 years ago and is passionate about providing patients the education, support, and resources they need to succeed in their journey to a healthy lifestyle. She enjoys spending time with her family, reading, and travel.
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