At O'Donnell Neurodiagnostics, we specialize in neuropsychological, psychological, and psychoeducational assessments for preschool and school-aged children, adolescents, and beyond.

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Welcome to O’Donnell Neurodiagnostics!

I’m Dr. Louise O’Donnell, a licensed psychologist and pediatric neuropsychologist with extensive expertise in testing, teaching, and research. I am dedicated to providing compassionate and thorough neurodiagnostic assessments tailored to support your unique needs.

Our Services

Neuropsychological Assessment

Gain a deeper understanding of how brain functioning impacts behavior. This comprehensive evaluation examines cognition, memory, attention, problem-solving, and more to identify strengths and challenges for targeted support.

Developmental Assessment

For infants and toddlers, this assessment identifies developmental strengths and areas needing support, helping qualify for early intervention services when needed.

Custom Blended Assessments

Complex concerns require tailored solutions. We combine multiple assessment approaches to address interconnected issues, such as ADHD, autism, learning difficulties, or emotional regulation challenges.

Psychoeducational Assessment

Unlock your child’s potential with an in-depth evaluation of learning styles, cognitive abilities, and academic achievement. Ideal for identifying learning disabilities or understanding how to support educational success.

Psychological Assessment

Understand emotional and behavioral challenges through targeted evaluations that clarify diagnoses and guide effective interventions.

Eligibility & Progress Evaluations

Discover if your child qualifies for services like special education, gifted programs, or 504 plans. We also assess progress over time, helping track improvements in memory, learning, or emotional wellbeing after interventions.

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A Clear Path to Understanding

Your Journey Through Expert Assessment


Navigating the complexities of a child’s behavior or development can feel overwhelming. That’s why we’re here to guide you every step of the way with a thoughtful, compassionate, and expert-driven process.

Our assessments begin with an initial interview where we’ll listen carefully to your concerns, gather important details about your child’s history, and outline the steps ahead. This session is as much about understanding your child’s unique story as it is about setting the foundation for growth and development.

From there, the testing sessions are tailored to your child’s needs—designed to be flexible, supportive, and never exceeding their energy levels. With breaks, a welcoming environment, and clear communication, we ensure the process feels manageable and stress-free.

Finally, during the feedback session, during the feedback session, we'll discuss the detailed user-friendly report and test scores. This session is all about clarity, collaboration, and empowering you with the tools to move forward confidently.

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  • At O'Donnell Neurodiagnostics, we operate as a direct-pay clinic. This approach allows us to dedicate more time and individualized attention to every patient and family.

    By prioritizing quality over insurance restrictions, we ensure that each assessment is thorough, personalized, and focused on delivering answers that empower and guide you toward the best path forward.

  • Absolutely! We are happy to provide you with detailed receipts, including the necessary codes to help you file claims with your insurance provider. However, there is no guarantee of reimbursement.

Our Values

Our Values

the foundation of every conversation, interaction, and visit to our clinic…

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Call 210-514-2183 to Schedule!

Get started with O’Donnell Neurodiagnostics, today.