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Expert ADHD & Autism Evaluations in Pittsburgh
Knight Psychological Services was founded to provide comprehensive mental health evaluations and counseling services for individuals of all ages. Our team of licensed professionals brings decades of combined experience in psychological testing, ADHD and Autism diagnoses, and therapeutic interventions. We prioritize a compassionate, client-centered approach that emphasizes collaboration and personalized care. Dr. Thomas Knight, our founder, combines his expertise in school psychology with a commitment to making complex educational systems accessible to families.

Our clinicians specialize in treating diverse mental health concerns, including anxiety, depression, trauma, and substance abuse, while maintaining a strong focus on evidence-based practices. We serve the Pittsburgh community with a dedication to fostering growth, healing, and empowerment through tailored mental health solutions.
Services
ADHD Evaluations Autism Diagnoses Psychological Testing Educational Consultation Counseling Services
Highlights and features
  • Specialized expertise in ADHD and Autism evaluations for all ages
  • Compassionate, client-centered approach with licensed professionals
  • Tailored educational consultation for special needs navigation
  • Flexible testing process with virtual and in-office options
  • Comprehensive reports with personalized follow-up reviews
Services
ADHD Evaluations
Comprehensive ADHD evaluations for children and adults using clinical interviews and tailored psychological testing. Our process includes virtual consultations, in-office testing, and electronic rating scales to ensure accurate diagnoses and personalized treatment recommendations.
Autism Diagnoses
Specialized autism evaluations for all ages through structured clinical interviews and standardized assessments. We provide detailed reports with diagnostic conclusions and practical recommendations for support systems, educational accommodations, and therapeutic interventions.
Educational Consultation
Expert guidance for navigating special education systems and gifted program placements. Our services include psychoeducational evaluations, IEP/504 plan recommendations, and advocacy support for families seeking appropriate educational accommodations.
Counseling Services
Individual and family counseling for anxiety, depression, trauma, and substance abuse. Our therapists use evidence-based approaches tailored to each client's needs, with specialized expertise in perinatal mood disorders and first responder mental health.
Psychological Testing
Comprehensive mental health evaluations for various conditions including learning disabilities and mood disorders. Our testing process combines clinical interviews, standardized assessments, and follow-up consultations to deliver actionable insights and treatment guidance.
People
Thomas R Knight, Ph.D., M.S., Ed.S.
Founder & Licensed Psychologist
Dr. Knight specializes in ADHD and Autism evaluations with 15+ years of experience in psychological testing. He holds degrees from Indiana University of Pennsylvania, California University of Pennsylvania, and Duquesne University. Dr. Knight focuses on compassionate, affirming care while helping families navigate educational systems.
Kati Ault, M.S., LPC, CAADC
Licensed Professional Counselor
Kati Ault treats substance abuse, anxiety, and perinatal mood disorders using integrative approaches. With experience in rehabilitation facilities and private practice, she emphasizes dignity and respect in therapy. Specializes in adapting treatment to individual client needs.
Sarah M Miller, M.S.W., M.A., LPC, CFRC
Licensed Professional Counselor
Sarah Miller provides trauma-informed counseling for children, adolescents, and adults. Specializing in first responder mental health, she combines social work and counseling expertise to offer holistic treatment for anxiety, depression, and dual diagnosis clients.
Kevin Basil, M.S.W., L.C.S.W.
Licensed Clinical Social Worker
Kevin Basil offers trauma-informed care for children, adolescents, and adults. With expertise in substance abuse and LGBTQIA+ issues, he utilizes personalized treatment approaches to address ADHD, OCD, and modern societal challenges affecting mental health.
Questions
Does insurance cover psychological testing?
Testing is covered by most insurance plans. Clients should verify coverage using CPT codes 90791, 96136-96137, and diagnosis code F90.2/F84.0 with their provider.
How long does the evaluation process take?
Testing is split into manageable sessions. Includes a virtual interview, in-office testing, and electronic rating scales. Results provided within 3-4 weeks through a comprehensive report.
Can I prepare for psychological tests?
No practice is needed. Tests measure natural cognitive processes. Recommended preparation includes adequate rest, proper nutrition, and maintaining a positive mindset before testing.
What if I disagree with the diagnosis?
Diagnoses are based on all collected data. While participation doesn't guarantee specific outcomes, our reports include detailed explanations and recommendations for follow-up care when needed.
Do you offer payment plans?
Full payment is required before report release. We provide detailed documentation for potential insurance reimbursement and work with clients to make evaluations financially accessible.