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.

Allen B. Stefane, MD

Dr. Stefane grew up in a rural town in upstate New York. He attended the State University at New Paltz where he majored in Biology, and then earned his Medical Degree from Spartan Health Sciences University. He completed his residency training at New York Medical College hospitals in Valhalla, NY with a dual focus on Adult and Child and Adolescent Psychiatry. After completing residency, Dr. Stefane joined the Child and Adolescent Fellowship program at Westchester Medical Center where he excelled and was Chief Fellow in his final year. After training, Dr. Stefane joined a community hospital in upstate NY where he developed a critically needed outpatient program offering Psychiatric and Counseling services for an underserved community. This program directly impacted inpatient hospitalization rates in the community.

Dr. Stefane is dual board certified in Adult Psychiatry and Child and Adolescent Psychiatry by the American Board of Psychiatry and Neurology. He has extensive experience in treating adults, children and adolescents. As Medical Director of a hospital-based inpatient and outpatient program, Dr. Stefane initiated and chaired committees around suicide prevention and bullying. He is an associate professor at Albany Medical Center and has spoken at local schools and community centers. He has also appeared on local CBS news segments regarding childhood and adult mental illness. Dr. Stefane's clinical interests include anxiety disorders, bipolar disorder, depression, obsessive compulsive disorder, ADHD, tic disorders and Autism.

Allison Mikel, MD

Dr. Mikel was born in Washington D.C. and raised in Columbia, Maryland. She received her dual undergraduate degrees in Behavioral Neuroscience and Psychology from Rutgers University where she was in the Honors program and graduated Magna Cum Laude. Before going to medical school, Dr. Mikel received a Johnson and Johnson’s Women in Neuroscience fellowship for her research in spinal cord injury. Dr. Mikel received her medical degree from Ross University School of Medicine and completed her residency training in psychiatry at East Carolina University School of Medicine at Vidant Medical Center where she served as chief resident her final year. Dr. Mikel has a particular interest in ADHD, adult mood disorders, schizophrenia, and anxiety disorders in addition to neuropsychiatric disorders such as dementia, traumatic brain Injury and stroke, Parkinson’s disease and Tourette’s disorder. Dr. Mikel also takes a special interest in women’s issues including postpartum depression and premenstrual dysphoric disorder and enjoys integrating health and wellness into her treatment plans. Dr. Mikel lives in Cary with her husband and her two children. In her free time, she enjoys spending time with her young children, rescuing animals, and working towards her next fitness goals.

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.

Jennifer Hiemenz, PhD

Dr. Hiemenz is a board certified clinical neuropsychologist by the American Academy of Clinical Neuropsychology, and has trained in child and adolescent neuropsychology. She sees patients 3 years and older in her clinical practice, and works with patients with a wide variety of presenting conditions, including ADHD, autism, learning disabilities, neurodevelopmental disorders, epilepsy, and traumatic brain injuries. She works closely with public and private schools in consultation for providing effective services and interventions for children with neurological disorders.

Dr. Hiemenz completed her undergraduate degree in psychology at the University of Notre Dame, and completed her Ph.D. in School Psychology at the University of Georgia, with a concentration in clinical neuropsychology. She completed her predoctoral internship at the Medical College of Georgia in their Child Neuropsychology service, as well as through the Clarke County (GA) Public School District. She went on to complete a postdoctoral fellowship in Pediatric Neuropsychology and Developmental Disabilities at Kennedy Krieger Institute, Johns Hopkins University School of Medicine. Dr. Hiemenz has served on faculty at the UNC Chapel Hill Center for Development and Learning (Department of Psychiatry), the UNC School of Education in the School Psychology doctoral program, and most recently in the UNC School of Medicine Department of Physical Medicine and Rehabilitation. She has worked as a consultant for the NC Department of Public Instruction, and has served as both a school psychologist and EC director at a public charter school. She has also maintained a private practice in Durham.

Teri Carol Rodgers, DNP, PMHNP-BC, FNP-C

Dr. Carol Rodgers is a certified nurse practitioner who has been with the practice since January 2007. She has previous experience in internal medicine, family practice, and dementia care management. Her undergraduate nursing degree is from Clemson University and after serving in the US Army as an RN, she completed her master’s degree (primary care with a family practice focus) at University of Alabama at Birmingham in 1998. She completed her doctoral degree with a family psychiatric focus from University of South Alabama in 2012. Dr. Rodgers believes in a holistic approach (mind, body, and spirit) for management of psychiatric conditions for children, adolescents, and adults. Her main interests include mood disorders such as bipolar disorder, anxiety, and PTSD, ADD/ADHD, and dementia care and management.

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.

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.

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.

Maggie Tyma, 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 both Psychology and Spanish. She then worked in Cardiology for 2 years in Indianapolis, IN where she gained a love for medicine. Rebecca went to further her education at the University of Kentucky where she received a master’s of physician assistant studies. She 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 Yorkie Marley, and with friends and family. Rebecca has been with us since September 2012 and has made a great impact on our patients; especially among the adolescent population. Rebecca’s clinical interests include Mood disorders, ADHD, ODD and behavioral disorders, Schizophrenia, Autism, Traumatic Brain Injuries, and the pharmacologic approach to the management of these disorders.

Chapel Hill, NC
(919) 933-2000
Charlotte, NC
(704) 529-4101
Raleigh, NC
(919) 785-5055
NC Neuropsychiatry provides general psychiatry, neuropsychiatry, and psychopharmacology for children, adolescents and adults.
Full service clinics in Charlotte, Chapel Hill, and Raleigh, North Carolina (NC).