Chapel Hill, NC (919) 933-2000 Charlotte, NC (704) 529-4101 Raleigh, NC (919) 785-5055

Clinical Staff

Raleigh and Chapel Hill
C. Thomas Gualtieri, MD

Dr. Gualtieri is the Medical Director of the North Carolina Neuropsychiatry Clinics in Chapel Hill and Charlotte. Dr. Gualtieri was born in Brooklyn, New York and educated at Columbia. He graduated from Columbia P&S in 1969, and was an intern at the Royal Victoria Hospital in Montreal. His original ambition was to be a surgeon, but after three years in service as a general practitioner in Mound Bayou, Mississippi, he decided to be a psychiatrist. Dr Gualtieri trained in psychiatry and child psychiatry at the University of North Carolina. He was on the faculty at UNC for eleven years, where his research interests were in psychopharmacology and neuropsychiatry. During this time, his research was supported by grants from the National Institutes of Health. His work on tardive dyskinesia has been widely cited.

His first area of concentration was the study of children and adults with ADD and developmental disabilities. Then, his research group developed an interest in the problem of brain injury. For seven years, he was the corporate medical director for Rebound, Inc, a national chain of brain injury rehabilitation centers.

Dr. Gualtieri founded NC Neuropsychiatry in 1988. He continues to have an active clinical practice, seeing children and adults with a wide range of neuropsychiatric disorders. An increasing proportion of his patients are middle-aged people with mild cognitive impairment, and older patients with dementia. Dr. Gualtieri and his partners conduct clinical trials for many of the major pharmaceutical manufacturers. They have also developed a computerized neurocognitive testing battery, “CNS Vital Signs.”

Dr. Gualtieri is the author of more than 120 peer-reviewed medical publications and three monographs. His latest book, Brain Injury and Mental Retardation, Neuropsychiatry & Psychopharmacology (2002) is available from Lippincott publishers.

Dr. Gualtieri lives in Chapel Hill with his wife, Frances, who used to be a hospital pharmacist at UNC. Now she is the proprietor of Restaurant La Residence, in Chapel Hill. They have three sons, and three little girls, adopted from China.

John Barkenbus, MD

Dr. Barkenbus grew up in Oak Ridge, Tennessee. He obtained his college degree in psychology at Indiana University in Bloomington, and his medical degree from Indiana University School of Medicine in Indianapolis. He completed his residency training in Psychiatry at University of North Carolina Hospitals in Chapel Hill, NC. During his residency, Dr. Barkenbus spent time training in the UNC Neurology Department’s clinics for Memory Disorders, Movement Disorders, and Epilepsy. After residency, Dr. Barkenbus spent a year at Dorothea Dix State Hospital attending to patients with Psychotic Disorders. While there, he worked daily with psychiatry residents and medical students as an adjunct clinical professor.

Dr. Barkenbus was an invited speaker at the June 2010 Huntington‘s Disease Annual Conference, and in November 2010 he became certified in Behavioral Neurology and Neuropsychiatry by the United Council for Neurologic Subspecialties. Dr. Barkenbus’ clinical interests include cases which fall within the Neurology/Psychiatry interface such as Dementia and Mild Cognitive Impairment, Autism, Traumatic Brain Injury, Stroke, Tourette’s, Parkinson’s, Epilepsy, and Schizophrenia.

Dr. Barkenbus lives in Charlotte with his wife, and two children.

Dr. Aaron Hervey, PhD, ABPP (CN), Clinical Neuropsychologist

Dr. Hervey is board certified as a neuropsychologist by the American Academy of Clinical Neuropsychology. He is trained in child and adult neuropsychology. He sees patients ages 5 years and older in his clinical practice. This includes many different presentations ranging from learning problems and ADHD to traumatic brain injuries (TBIs) and dementia. A regular part of his practice involves Independent Medical Evaluations (IMEs) for Workers’ Compensation, and in forensic settings. Dr. Hervey is consulted by plaintiff and defense attorneys in complex cases involving a variety of injuries and issues, including TBI, toxic exposure/oxygen deprivation, as well as accuracy and validity of symptom presentation. Dr. Hervey is a Lecturing Fellow in the Department of Psychology and Neuroscience at Duke University, and serves as a practicum supervisor for the graduate program in clinical psychology.

Dr. Hervey received his undergraduate training in psychology from the University of Virginia. He spent two years in clinical research in the area of Attention-Deficit/Hyperactivity Disorder (ADHD), before earning his Ph.D. in Clinical Psychology from Duke University, with additional specialty training in pediatric and adult neuropsychology, and a continued research focus on ADHD. He was a clinical intern in adult and pediatric neuropsychology at the University of Arizona Medical Center, and subsequently served as a Clinical Fellow in Neuropsychology for two years at Harvard Medical School in Boston. His fellowship included rotations at Brigham Behavioral Neurology Group with an emphasis on adult evaluations, and the Psychological Assessment Center at Massachusetts General Hospital (MGH), where he saw a variety of pediatric cases. He spent time at the Alzheimer’s Disease Research Center at the University of California at San Diego, and maintained a private practice in San Diego and Orange County until joining North Carolina Neuropsychiatry.

Susan Merrill, PA-C

Sue Merrill received her physician assistant’s degree from Trevecca Nazarene College in Nashville, TN in 1986. She has twenty-five years of experience in medicine, and is currently seeing both adults and children with mood and behavioral disorders. She previously worked at the Behavioral Health Center in Charlotte, and in addition to her extensive experience in psychiatry, she has worked in women’s health, internal medicine, family medicine, endocrinology and geriatrics. Sue has been with us since August 2005.

Katherine M. Myers, PA-C

Katherine Myers is originally from Chapel Hill, NC. She attended the University of North Carolina Charlotte and graduated with a Bachelor's degree in Psychology with a minor in Biology. She attended the Physician Assistant program at Cornell University in New York, NY. She has been employed by NCNP since April 2000 where she provides psychiatric services for children, adolescents, and adults. Areas of special interest include ADD/ADHD, Developmental Disabilities, TBI, anxiety, depression, and mood disorders.

Rebecca Kraus, PA-C

Rebecca was born in Florida and grew up in Indiana. She did her undergraduate work at Indiana University with a Major in Kinesiology and Minors in Psychology and Spanish. After that she worked in Cardiology for 2 years in Indianapolis, IN where she gained a love for medicine. She went to further her education at the University of Kentucky where she received a Masters of Physician Assistant Studies. Rebecca did an extensive inpatient psychiatric internship at the VA in Lexington, KY where she found her calling in Psychiatry. She enjoys spending time with her Yorky, Marley, and with friends and family. She has been a great addition to our practice, especially among the adolescent population.

Courtney Dallas White, PA-C

Courtney Dallas is originally from Somers, NY. She attended the University of Massachusetts at Amherst and graduated with a Bachelor's degree in Biology and a minor in Psychology. She worked for two years as a physical therapy aide in Mount Kisco, NY. Courtney then came to North Carolina to attend Duke University where she earned her Masters Degree through the Physician Assistant program. She started working at NC Neuropsychiatry in April of 2004.

Allison Brantley, PA-C

Allison Brantley is originally from Asheboro, NC. She attended North Carolina State University and graduated with a Bachelor’s degree in Biological Sciences and a minor in Italian Studies. She worked as a nursing assistant on the Med/Surg floor at WakeMed Raleigh and as a medical assistant in spine and pain management in Raleigh, NC. Allison earned her Masters Degree through Wake Forest University’s Physician Assistant Program. She rotated at NC Neuropsychiatry as a student, and developed an interest in behavioral health. Area of special interest include dementia and aging populations.