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Assessment & Therapy Associates Clinicians

Dr. Kati Duncan PsyD

Dr. Kati Duncan (formerly Lynch) received her doctoral degree in clinical psychology from the Virginia Consortium Program in Clinical Psychology.  She completed her internship and residency training in neuropsychology at Eastern Virginia Medical School. She specializes in pre-surgical assessment for individuals pursuing bariatric surgery and therapy for mood disorders.

Dr. Duncan is also a registered telehealth provider in Virginia and holds a PSYPACT license mobility passport, meaning she is able to practice in over 30 additional U.S. States.

Dr. Duncan sees patients 16 and older.

Dr. Duncan can be reached at

Office: (757) 206-2772
Fax: (757) 296-2263

Ashley Laws, LPC


Ashley Laws is a licensed counselor in Virginia, North Carolina and California. She completed her Masters in Counseling at Regent University and is currently a doctoral student in Counseling Education and Supervision program at University of the Cumberlands. She is a member of the American Counseling Association and American Society for Metabolic and Bariatric Surgery. Ashley specializes in working with adults and adolescents (ages 14 and up) struggling with anxiety, depression, mood issues, grief, self esteem and  life transitions in the therapy space. In addition, Ashley completes pre-surgery evaluations for those individuals seeking bariatric surgery.

Ashley sees patients 14 and older.

Ashley can be reached at

Office: (757) 204-1586

Dr Karen Stewart

Dr. Karen Stewart


Dr. Stewart is a licensed clinical psychologist specializing in care of bariatric surgery patients. She completed her doctoral and postdoctoral studies at Virginia Commonwealth University and internship/residency training at Rush University Medical Center in Chicago. Prior to joining ATA, she has served as faculty in the Psychiatry departments of Virginia Commonwealth University Medical School and Vanderbilt University Medical Center and worked in the Surgery department at Carilion Clinic. She provides bariatric surgery assessments, brief individual surgical preparation support, and bariatric surgery groups.

She sees patients 16 and older.


Office: (757) 206-2772

Dr. Denise Hall


Dr. Denise Hall received her doctoral degree in Clinical Psychology from Walden University. She received her masters and bachelor’s degrees in social work from Washburn University. She has over twenty-one years of experience working in the mental health field. Dr. Hall has worked with diverse populations and in diverse settings to include Sentara Comprehensive Weight Loss Solutions, private practice, community mental health, and providing in-home therapy in rural and suburban areas.

She currently specializes in pre-surgical evaluations for individuals pursuing weight loss surgery and has nineteen years of experience conducting pre-surgical evaluations. She offers therapy for pre and post bariatric patients to assist in their weight loss journeys.

Dr. Hall also sees patients 13 years old and older for the treatment of anxiety and depression.


Office: (757) 206-2772

Dr. Dan Paulus 

Dr. Dan Paulus

Office: (757) 206-2772

Dr. Michelle Constantino

Dr. Michelle Constantino

Office: (757) 206-2772