Dr. Lett earned his PhD in Rehabilitation Psychology at Illinois Institute of Technology and has been practicing psychology/neuropsychology in Phoenix since 1989. He is the founder of Professional Psychology Associates, PC (PPA) and co-founder and clinical supervisor at ASAP, an intensive outpatient substance abuse treatment program for adolescent’s and their families.
Dr. Lett's interests and specialties include pediatric/adult psychological assessment and treatment; neuropsychological assessment; assessment and treatment of addictive behaviors including psychoactive substance use disorders; aviation neuropsychology/psychology; CogScreen Aeromedical Edition (AE); rehabilitation; independent medical examinations (IME's) - psychology/neuropsychology; fitness for duty evaluations; and learning disabilities and attention deficit hyperactivity disorder (ADHD.)
Tamara Rood - Practice Director Caragan Burklow - Office and Administrative Assistant
PPA Independent Contractors David Seaton, Ph.D. - Licensed Psychologist Deb Merrifield, Psy.D. - Licensed Psychologist David Friedman, M.D. - Board Certified Psychiatrist (Pediatric/Adult) Lynne Klein, Ed.D. - Licensed Psychologist Linnus Pecaut, Ph.D. - Licensed Psychologist Craig Mills, LPC, CEAP, SAP - Licensed Professional Counselor Clinical Psychology Practicum Doctoral Student Danielle Smedley