Mental Health Care - Our Doctors

Family Psychiatry & Psychology Associates is a leader in the field of individual and/or multidisciplinary, team treatment of children, adolescents and adults.


Meet our doctors

Tian Duke-Sui, M.D.

Tian Duke-Sui, M.D. is a board-certified Adult Psychiatrist and board-eligible Child and Adolescent Psychiatrist. Dr. Duke-Sui joined Family Psychiatry & Psychology Associates (FPPA) as the Medical Director in 2022. He completed his General Psychiatry Residency at the University of Florida and his Child and Adolescent Psychiatry Fellowship at the University of North Carolina.

Dr. Duke-Sui practices evidence-based medicine that utilizes the most current research in providing diagnostic assessments, medication management, individual psychotherapy, and consultative evaluations for children, adolescents, adults, and seniors. Dr. Duke-Sui values the collaborative care model to create a patient-centered team that incorporates patient goals. Dr. Duke-Sui strives to provide an exceptional quality of care while integrating a multidisciplinary approach to meet the unique physical and behavioral health care needs for individuals with complex medical and psychiatric histories.     (read full bio...)

Dr. Duke-Sui completed his General Psychiatry Residency at the University of Florida where he treated children, adolescents, adults, and seniors. He saw patients in the inpatient setting at UF Shands Hospital and UF Health Psychiatric Hospital in addition to the outpatient setting at UF Health Springhill's multispecialty medical facility where he saw patients in the adult psychiatry clinic, adult neurodevelopmental disorder clinic, and child/adolescent psychiatry clinic. He also treated patients with co-existing anxiety, mood, and impulse control disorders with Parkinson’s Disease and other neurodegenerative disorders in the movement disorder clinic at the Norman Fixel Institute for Neurological Diseases. As part of the collaboration with the Neurology and Neurosurgery services at the Norman Fixel Institute for Neurological Diseases, Dr. Duke-Sui also provided psychiatric evaluations for deep-brain stimulation (DBS) procedure candidates. During General Psychiatry Residency, Dr. Duke-Sui provided inpatient diagnostic clarification and treatment for military veterans in the dual-diagnosis substance abuse and mental health unit at the Malcom Randall VA Medical Center in Gainesville, Florida.

During his Child and Adolescent Psychiatry Fellowship at the University of North Carolina Hospitals, Dr. Duke-Sui trained at the nationally acclaimed TEACCH Center (Treatment and Education of Autistic and related Communications Handicapped Children) in Chapel Hill. Dr. Duke-Sui has expertise in management of medically complex neurodevelopmental disorders and their intersection with comorbid anxiety disorders, mood disorders, psychotic disorders, rare genetic disorders, and their often-comorbid chronic health conditions. Dr. Duke-Sui provided both medication management and psychotherapy at the UNC Child and Adolescent Psychiatry Clinic as well as the UNC Neurodevelopmental Disorders Clinic in Chapel Hill. In addition, Dr. Duke-Sui brings his experience of collaborating closely with a team of physicians, psychologists, and social workers at the UNC Child and Adolescent Outpatient Program in Raleigh to provide longitudinal weekly parent and child / adolescent psychotherapy.

Dr. Duke-Sui enjoys exploring the intersection of technology and the mental-health space. In 2019, he presented a workshop in San Francisco for the annual American Psychiatric Association (APA) conference on topic of Influence of Mainstream Social Media and Social Movements on Mental Health Issues (Duke-Sui T, Bindshedler A, Knudson C, Korah T., May 2019). At the start of the COVID-19 pandemic, Dr. Duke-Sui was selected to be part of the Department of Psychiatry’s technical peer support team to help implement the use of telehealth in its clinics in the University of Florida health system. During his fellowship at the University of North Carolina, Dr. Duke-Sui developed virtual tours for the UNC General Psychiatry and Child & Adolescent Programs.

Dr. Duke-Sui is committed to improving access to community mental health resources. He received the Mark W. Herbold Memorial Award for displaying the ability to overcome tremendous obstacles in life during his medical education at the University of Florida College of Medicine and continues to provide care for the community where he practices. In 2021, Dr. Duke-Sui helped create the Wake County Intellectual and Developmental Disabilities (IDDs) / Autism Spectrum Disorder (ASD) clinic in Raleigh. Dr. Duke-Sui and members of the Wake County IDD/ASD clinic team presented on the topic of evidence-based approaches to improving care of autistic and developmentally disabled individuals in the emergency department setting at the WakeBrook Behavioral Health Facility in 2022.

If you would like to schedule an appointment with Dr. Duke-Sui, please contact the friendly and courteous front staff at (919) 233-4131.
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Seth E. Tabb, M.D.

Seth E. Tabb, M.D. is the Founder and Medical Director of Family Psychiatry & Psychology Associates, P.A. (FPPA). In addition to his functions as a Child, Adolescent and Adult Psychiatrist, Dr. Tabb has embedded himself in the community in multiple professional roles. Recently, for five years, Dr. Tabb sat on the Board of Directors of Wake County Human and Environmental Services and is a past Chairman of the Wake County Human Services Mental Health, Developmental Disabilities, and Substance Abuse Continuum of Care Committee where he had been a member for over seven years.
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Dr. Tabb was a member of the Child Fatality and Child Protection Task Force and has worked closely with County Commissioners on committees overseeing the successful development of a county psychiatric hospital and out-patient continuum of mental health care. He has served on the Board of Directors and was a Founding Member of the Miracle League of the Triangle, a baseball program for children with disabilities who would otherwise be precluded from this wonderful sport. As well, Dr. Tabb has served as Adjunct Faculty to the Department of Psychiatry at the University of North Carolina at Chapel Hill beginning in 1996 teaching medical students, residents, child psychiatry fellows as well as psychology graduate students. From 1995 to 1996, Dr. Tabb was an attending physician at Holly Hill Hospital and served as Medical Director of a separate facility, American Day Treatment Partial Hospitalization Program, from 1996 to 1997. Today, Dr. Tabb continues to see patients in his office at FPPA and participate in numerous community activities where he is a frequent invited keynote speaker.

Dr. Tabb completed his Medical Doctorate from the University of Florida where he won the Alpha-Omega-Alpha Walt Oppelt Memorial Award for excellence in Pharmacology and Therapeutics.  He completed his General Psychiatry Residency at the University of North Carolina at Chapel Hill where he was the APA/Burroughs Welcome Fellow in 1992. He completed his Child and Adolescent Psychiatry Fellowship at the Neuropsychiatric Institute at the University of California, Los Angeles (UCLA-NPI), where Dr. Tabb was Chief Fellow from 1994 to 1995 and won the prestigious Gertrude Rogers Greenblatt Award. While in Los Angeles, Dr. Tabb presented a Grand Rounds at the UCLA-NPI and was a covering physician at the West Los Angeles Methadone Treatment Program and at the Health Care Children’s Campus Residential Treatment Program in Van Nuys, California.

Dr. Tabb has published in the New England Journal of Medicine and The Jefferson Journal and has been on the Editorial Committee of Southern California Psychiatrist and was a past Editor of the newsletter of the Resident Physician Section of the American Medical Association (1994). Dr. Tabb enjoys a history of essays and public commentary on a range of mental health topics and is a frequent contributor to his local newspaper editorial pages. Additionally, Dr. Tabb has been a featured lecturer to colleagues and the community in such organizations and agencies as The Autism Society of North Carolina and the Wake County Chapter of the National Alliance for the Mentally Ill (N.A.M.I.) throughout his career with over 21 years of experience.
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Daniel Sheras, Psy.D.

Daniel Sheras, Psy.D. is a licensed psychologist, providing psychological treatment (psychotherapy) and assessment to children, teens and adults. He draws upon a Cognitive-Behavioral (CBT), interpersonal, solution-focused approach to treatment, and frequently collaborates with parents, teachers, psychiatrists, and primary care physicians in his work with individuals. In addition to individual, marital, and group psychotherapy, Dr. Sheras provides parent training and family therapy to facilitate sustainable progress as well. He uses a variety of strategies for actively engaging individuals in treatment and works to build trust, increase understanding of their symptoms and to identify goals and reasonable steps for meeting those goals.
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These strategies are aimed at helping individuals feel comfortable with therapy and empowered to make and sustain life-long positive changes in their lives. He integrates knowledge of evidence-based treatment with the unique and specific needs, contexts and presenting issues of an individual when determining treatment strategies. Trained in the full spectrum of mental health disorders, Dr. Sheras specializes in evaluating and treating anxiety, including obsessive compulsive disorder (OCD), depression, ADD/ADHD, post-traumatic stress disorder (PTSD), post-partum depression and anxiety, parent-child attachment issues, sleep problems, conduct/anger issues, relationship issues, family dynamics issues, and adjustments to major life transitions. He also offers a counseling/coaching model for addressing ADD/ADHD in teens and adults, teaching organizational and time-management skills while also addressing any additional difficulties with anxiety, stress and negative self-concept. While Dr. Sheras has experience in working with all age groups and with a wide variety of mental health disorders, he has a special interest in treating adolescents and young adults as they navigate the major life transitions that accompany those stages of life.

After receiving his Bachelor of Science degree from the University of Colorado-Boulder, Dr. Sheras earned his Doctoral degree in Clinical Psychology from Spalding University in Louisville, Kentucky where his emphasis was in the area of children, adolescents, and families. He completed his pre-doctoral internship at the St. John's Child and Family Development Center at St. Johns Health Center in Santa Monica, California where he provided clinical services to children, adolescents and young adults in both school and hospital-based outpatient clinic settings. As part of his graduate and internship training, Dr. Sheras provided psychological services comprised of psychological assessment, individual, family, and group psychotherapy in a variety of settings, including a high school resource center, college counseling center, youth residential treatment center, therapeutic group home and hospital-based community mental health center. He has received specialized training and certification in evidenced-based models of treatment including Interpersonal Psychotherapy (IPT) for treating depressed adolescents, Trauma-Focused CBT for treating trauma in children and Seeking Safety. In addition, Dr. Sheras has worked as a clinical coordinator at a therapeutic foster care agency, REACH of Louisville, where he provided in-home therapy, family support and behavioral consultation to foster children and their foster families. He also worked as a Unit Supervisor and direct care staff at a residential mental-health treatment center in Colorado, Devereux Cleo Wallace, prior to entering graduate school. Dr. Sheras has been practicing psychology in private practice in the Triangle since 2011.

Dr. Sheras is a member of and has been actively involved with the North Carolina Psychological Association (NCPA) and has presented at several professional conferences on a variety of topics, including ADHD in college students, childhood depression, and effective teaching strategies. In his spare time, he enjoys spending time with his wife and young children, hiking, going to movies and playing and watching sports.
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Jennifer D. Siddle, M.D.

Andrea G. Boyer, M.D. is a board-certified Adult Psychiatrist and board-eligible Child and Adolescent Psychiatrist, who joined FPPA in 2021, following completion of Child and Adolescent Psychiatry subspeciality training. Dr. Boyer provides comprehensive diagnostic assessments, medication management, individual psychotherapy, and collaborative approaches with other medical specialists and psychotherapists. Her clinical areas of interest include anxiety disorders (including OCD), mood disorders, ADHD, autism spectrum disorders and other developmental disorders, in addition to eating disorders, among others. Dr. Boyer spent a year of Child and Adolescent Psychiatry fellowship embedded in an Adolescent Medicine Eating Disorders clinic, where she gained expertise in treating a variety of eating disorders. During Psychiatry residency, she spent several months co-facilitating a psychotherapy group in Exposure and Response Prevention therapy for young adults with OCD. Her particular passion in autism spectrum disorders began with her younger brother who has autism and this interest developed into clinical practice and awareness interests, including participating in a podcast run by patients with autism during her Child and Adolescent Psychiatry fellowship.
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Dr. Boyer completed her Medical Doctorate from Wake Forest School of Medicine, where she won the Outstanding Medical Student in Scholarship and Character in Psychiatry and served as vice president of the Psychiatry Interest Group. During medical school, she was awarded full travel grants to the NC Psychiatric Association Annual Meeting and American Academy of Child and Adolescent Psychiatry Meeting and delivered an invited presentation at the former. She completed her General Psychiatry Residency at Emory School of Medicine and her Child and Adolescent Psychiatry Fellowship at the Medical University of South Carolina. Prior to medical school, Dr. Boyer received her Bachelor of Arts Degree in Psychology from Duke University, where she graduated Magna Cum Laude and was inducted into Phi Beta Kappa for outstanding academic achievement and Psi Chi, the International Honor Society in Psychology. Throughout her education, she has published on a variety of topics, including ADHD, psychosis, and mood disorder pharmacology.   close full bio

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