Clinical Staff

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.” www.cnsvitalsigns.com.
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’ clinical interests include cases which fall within the Neurology/Psychiatry interface such as Autism, Traumatic Brain Injury and Stroke, Tourette, Dementia and Mild Cognitive Impairment, Parkinson, Epilepsy, and Schizophrenia. 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 lives in Charlotte with his wife, Sarah, and their daughter.

Denisse M. Ambler, MD

Denisse Ambler, M.D. graduated from LSUMC School of Medicine in Shreveport, Louisiana. She completed her Psychiatric Residency and Child and Adolescent Psychiatry Fellowship at the University of North Carolina at Chapel Hill. Dr. Ambler is board certified in psychiatry and child and adolescent psychiatry. She was an Assistant Professor at UNC Chapel Hill, and worked as an attending psychiatrist at both UNC-CH and Dorothea Dix Hospitals on the Child, Adolescent, and Clinical Research Units. She has been involved in numerous clinical trials studying autism, bipolar disorder, psychotic disorders and ADHD in youth and adults.

Dr. Ambler also served as a military psychiatrist and was deployed to Afghanistan in support of Operation Enduring Freedom. She served honorably in the U.S. Army Reserve, achieving the rank of major in the medical corps. Dr. Ambler continued to work to support members of the military and their families as a subject matter specialist for the Citizen Soldier Support Program and the Governor’s Focus Group for returning veterans and their families. She maintains an appointment as an adjunct faculty member of UNC’s Department of Psychiatry. Dr. Ambler has been with NC Neuropsychiatry since June 2007.

Jordana Werner, MD

Dr. Werner was born in New York City and raised in South Florida. She received her degree in psychology from the University of North Carolina at Chapel Hill, where she was in the Honors Program and inducted into Phi Beta Kappa. Dr. Werner received her medical degree from St. George's University and completed her residency training in psychiatry at the University of Florida in Gainesville. Dr. Werner has a particular interest in adult mood disorders, anxiety disorders and ADHD.

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 he obtained his Medical Degree from Spartan Health Sciences University.

He completed his residency training at New York Medical College hospitals in Valhalla , NY with a focus on Child and Adolescent Psychiatry. Once 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.

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 mental illness.

Dr. Stefane's clinical interests include anxiety disorders, depression, obsessive compulsive disorder, ADHD, and Autism.

Carol Rodgers, DNP, PMHNP-BC

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 a RN, completed her Masters 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. Ms. 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.

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.

Jill Zukerman, PhD, Clinical Neuropsychologist

Dr. Zukerman, a Charlotte native, is thrilled to be back in North Carolina. She completed her undergraduate training in psychology at the University of North Carolina-Chapel Hill. After serving as project coordinator for the Children’s Memory Study, she moved to Chicago and earned her Ph.D. in Clinical Psychology at Loyola University Chicago, with clinical training in pediatric psychology, as well as pediatric and adult neuropsychology. Her graduate research focused on the cognitive and psychosocial effects of chronic illness across adolescence and young adulthood. She then completed a one-year clinical internship at the University of California Los Angeles (UCLA) School of Medicine, where she also received a certificate of specialty training in developmental disabilities. After her internship, Dr. Zukerman returned to Chicago to complete a 2-year ABPCN approved fellowship in clinical neuropsychology at Rush University Medical Center where she saw pediatric, adult, and geriatric patients.

Dr. Zukerman specializes in the neuropsychological assessment of patients across the lifespan who are managing a variety of developmental, medical, and psychiatric problems (e.g., learning disabilities, psychiatric/somatic complaints, cerebrovascular accidents, head injury, cancer, epilepsy, memory disorders). Having spent much of her training working in medical settings, Dr. Zukerman has experience working with a number of different providers (e.g., physicians, physical/occupational therapists, speech-language pathologists), as well as parents and teachers. Therefore, she believes the goal of neuropsychological evaluations should be to provide clear diagnostic information and recommendations to patients and families, as well as to their referring/treating providers.

Susan Merrill, PA-C

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

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.

Jennifer Boos, PA-C

Jennifer Boos is originally from Raleigh, NC. She attended the University of North Carolina at Chapel Hill and graduated with a Bachelor’s degree in Biology. She received her Physician Assistant degree from Duke University. She has been working for NCNP since January of 2011. She provides psychiatric services for children, adolescents and adults. Her areas of special interest include ADD/ADHD, Autism Spectrum Disorders, mood disorders, and anxiety. She especially enjoys working with the pediatric and adolescent populations.

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.

Lauren Wright, PA-C

Lauren is a North Carolina native raised in Charlotte, but relocated to Raleigh in 2000, and has remained there since. She attended North Carolina State University and obtained a undergraduate degree in Biology with a minor in genetics. She completed her degree in Physician Assistant Studies from East Carolina University. She joined our practice in 2012, but came from several years in Primary Care Medicine. She has personal interests in pediatric and adolescent mental health. Areas of interest include depression, anxiety, autism, mild MR, ADHD/ADD, and SAD/OCD in children and young adults.

Maggie Tyma, PA-C

Maggie is a North Carolina native raised in Cary, but relocated to Raleigh and remained there since 2006. She attended North Carolina State University where she graduated summa cum laude, earning a Bachelor’s degree in Biology with a minor in Biomedical Ethics. She completed her Masters of Medical Science degree and Physician Assistant Certification at Wake Forest University. She joined our practice in 2013 after completing an internship with the practice during her schooling. She has personal interests in pediatric, adolescent, and young adult mental health. Areas of special interest include anxiety disorders, depression, ADHD/ADD, SAD/OCD, and Autism spectrum 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).