Scott Hammel, Ph.D.

Dr. Scott Hammel

Dr. Scott Hammel and Lisa Hammel, M.Ed., are the co-founders of Neurobehavioral Institute of Austin, a multidisciplinary mental health practice that provides psychological and neuropsychological assessments, therapy, forensic assessments, and educational consulting.

Dr. Hammel is a licensed psychologist who provides psychological and neuropsychological assessment and testing, forensic psychological services, as well as clinical supervision and psychotherapy. He has been in private practice since 2002, prior to which he provided psychological services as a master’s level psychologist in the juvenile justice system and community agencies from 1994 until earning his Ph.D. from the University of Texas at Austin in 2000.

Areas of Specialization

Dr. Hammel works with a diverse population, including individuals of all ages.  His specialties include ADHD, learning disabilities, mood disorders (anxiety, depression, and bipolar disorder), trauma, thought disorders, behavioral disorders, adoption and foster care, and others. 

Dr. Hammel also has a specialized interest and expertise in mental giftedness and gifted education. He conducts assessments and therapy with gifted children and adults, provides trainings on mental giftedness, consults with schools regarding giftedness and gifted children, and has provided consultation to ACE Academy, a specialty school for gifted children, and other schools in the Austin area.

In addition, Dr. Hammel serves as a clinical consultant to Casey Family Programs, where he collaborates with social work staff members and provides neuropsychological assessments of children, adolescents and adults.  He also conducts assessments and evaluations for legal proceedings and testifies in court on a variety of matters.


Dr. Hammel enjoys teaching, training, and mentoring.  He trains and supervises doctoral students in clinical and counseling psychology and school psychology in his practice, and is a training site for Postdoctoral Residents in clinical psychology and school psychology, providing training in psychological and neuropsychological assessment, including the use of the Rorschach Inkblot Test.

Previously, Dr. Hammel created and implemented an inpatient practicum training site in personality assessment for doctoral psychology students at Seton Shoal Creek Hospital, and he was the clinical consultant to the Settlement Home for Children’s Foster Family Program for more than 10 years, providing clinical supervision and consultation with treatment staff and foster parents and children.  He also worked in juvenile corrections for 8 or 9 years, where he provided specialized treatment interventions, court representation and testimony, created a victim services program, and conducted psychological assessments.


Dr. Hammel has provided trainings to both psychologists and other mental health professionals regarding mental giftedness, attachment theory, trauma, differential diagnosis, and psychological and neuropsychological assessment.  Also, he was previously an Adjunct Professor for the St. Edward’s University’s Master of Arts in Counseling Program, where he taught various graduate level courses, including theories of counseling and therapy, child and adolescent psychotherapy, psychological assessment, group psychotherapy, and practicum.


In addition to conducting court-ordered psychological and neuropsychological assessments of children and adults, Dr. Hammel consults with attorneys on psychological and neuropsychological matters involving legal questions and decision-making.

Professional Affiliations

American Psychological Association

Texas Psychological Association

Capital Area Psychological Association

Austin Neurological Society

To schedule an appointment with Dr. Hammel, please email [email protected] or call the office at 512-329-8222.

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