Providing Quality Evidence Based Psychological Services for 20 Years
Gersh, Hartson, Payne, Hoffman and Associates P.C. Gersh, Hartson, Payne, Hoffman and Associates P.C.

Psychologists and Psychiatrists

Frank Gersh, Ph.D.

Photo of Frank Gersh, Ph.D.Frank received his Ph.D. from the University of Iowa in Clinical Psychology in 1978. He has been in practice in Iowa City for over 27 years.

Frank works with adolescents and adults doing psychological and neuropsychological evaluations, as well as psychotherapy related to depression, anxiety, Attention Deficit-Hyperactivity Disorder, learning disabilities, Post Traumatic Stress Disorder, marital conflict, and other various neurological and psychological conditions.

He consults with attorneys on issues such as competency to stand trial, understanding of one’s rights, insanity, diminished capacity, child custody, and disability.

Frank has served as a consultant for the American College Testing, Inc. (ACT).

View Dr. Gersh's CV >>

John Hartson Ph.D.

Photo of John Hartson, Ph.D.John is a Pediatric Psychologist. He has been in private practice for over 25 years. He conducts evaluations and provides treatment for a wide range of behavioral, emotional, and learning problems for children and adolescents. These include, but are not limited to; Attention Deficit-Hyperactivity Disorder, Oppositional Defiant Disorder, Anxiety, Depression, and Learning Disorders.

John provides consultation to lawyers and families related to parenting time. He provides expert opinions to the Court on abuse allegations, neuropsychological evaluations following head trauma, and other related issues.

John has authored three books and is a frequent presenter at conferences and workshops. He is an adjunct professor in Child Psychiatry at the University of Iowa. He is a former consultant for ACT on high school students with ADHD and psychological/psychiatric disorders requesting accommodations for college entrance assessment.

We congratulate John on his retirement in May 2019 after a long career of providing care to children and adolescents. If you or your child are a former patient of his and need assistance, please contact our office.

Brenda Payne Ph.D., MSCP, ABPP

Photo of Brenda Payne, Ph.D.Brenda earned her Ph.D. in Clinical Psychology, with specialization in Child and Adolescent Clinical Psychology from the University of Southern Mississippi in 1997. Brenda is Board Certified in Clinical Child and Adolescent Psychology by the American Board of Psychology. Brenda earned a Master of Science degree in Clinical Psychopharmacology, and has a special interest in collaboration with physicians regarding mental health treatment. She has been in private practice in Iowa City since 1999. Brenda works with children, adolescents, and their parents on a wide range of issues, including depression, anxiety, attention problems, behavior problems, and adjustment to divorce. She uses evidence based treatments such as Cognitive Behavioral Therapy and Interpersonal Therapy to assist children and their families in reaching their treatment goals. She does diagnostic evaluations (psychological and neuropsychological) with children and adolescents related to concerns about attention deficits, learning problems, and emotional problems. Brenda served on the Iowa Psychology Board in the Department of Public Health, and has worked with the Iowa Psychological Association advocating for access to mental health treatment.

View Dr. Payne's CV >>


Tricia Hoffman Psy.D.

Photo of Tricia Hoffman, Psy.D.Tricia earned her Psy.D. in Clinical Psychology from Argosy University in 2006 with a specialization in Marriage and Family Therapy. She has worked with children, adults, and families in a variety of settings including community healthcare centers, hospitals, and outpatient clinics. For the past five years, she has focused her efforts on children and families that have endured traumatic experiences such as abuse, neglect, and other life event traumas. Tricia currently sees children, adolescents, and families for psychological evaluations and therapy. Typical concerns may include adjustment to life events (e.g. divorce, adoption, death in the family), parenting education, depression, anxiety, attention issues, learning disabilities, and other behavioral and psychological difficulties. Tricia also has extensive specialized training treating children with Reactive Attachment Disorder and Posttraumatic Stress Disorder.

View Dr. Hoffman's CV >>


Jennifer Kauder Ph.D.

Photo of Jennifer Kauder, Ph.D.

Jennifer earned her Ph.D. in Counseling Psychology from the University of Iowa in 2009, where she received specialized training in the area of disability issues. She has worked with individuals of all ages in a variety of settings, including community mental health centers, outpatient clinics, and college counseling centers. Jennifer conducts diagnostic evaluations with children, adolescents, and adults related to concerns about attention, learning, and emotional problems. She also provides individual counseling services to individuals of all ages for a wide range of issues. Her areas of interest/specialization include issues related to identity development, interpersonal relationships, family of origin, anxiety, depression, stress management, life transition/adjustment, disability (both hidden and visible), and twice-exceptionality.

View Dr. Kauder's CV >>


Lindsey Andrew, Psy.D.

Photo of Lindsey Andrew, Psy.D.

Lindsey earned her Psy.D. in Clinical Psychology from Indiana State University in 2006, with a specialization in child and adolescent psychology. She has worked with children, adults, couples and families in a variety of settings including outpatient clinics, residential treatment facilities, college counseling centers and acute psychiatric hospitals. Lindsey currently sees children and adults for psychological evaluations and therapy services. Assessment and testing services are provided focusing on diagnostic clarification, emotional problems, attention problems and identification of learning issues. Her therapeutic focus encompasses a wide variety of concerns including depression, anxiety, behavioral problems, attention issues, autism spectrum disorders, adjustment issues, women's issues and parent education.

View Dr. Andrew's CV >>


David F. Widitz, M.D.

Photo of David F. Widitz, M.D.

Dr. Widitz earned his Doctor of Medicine degree from Penn State University in 2005. After that he moved to Iowa City for residency at the University of Iowa Hospitals and Clinics, finishing his training in 2010. He is board certified in Child and Adolescent Psychiatry as well as General Adult Psychiatry. Dr. Widitz has experience in both the private practice and community mental health settings. He sees children and young adults, diagnosing and managing medication for a number of mental health disorders including those involving anxiety, depression, autism spectrum, and attention and/or behavioral problems. Dr. Widitz takes the time to get to know each patient, to develop the rapport and understanding needed to best serve each patient's needs.

View Dr. Widitz's CV >>