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Elevate your Expectations, 
Discover Excellence

ADHD | Autism | Anxiety & Depression | Learning Disabilities | SAT/ACT Accommodations

Expert Psychological and Psychoeducational Assessments for Children, Adolescents, and Adults in Katy, Texas

Evidenced-based assessments for ADHD, Autism, Anxiety, Depression, Learning Disabilities, Mood Disorders, Personality Disorders, and more in Katy, Texas

Saturday appointment avalible by appointment only from select providers

Saturday appointments available (select providers)

Saturday appointment avalible by appointment only from select providers

Providing Individual therapy, couples counseling, and play therapy (CBT, TF-CBT, ACT, DBT, and more) in Katy, Texas

Hablamos Español!

You can now TEXT us directly at 832-430-7518!

HIPAA Disclaimer:  Texting is not a secure means of communication.  By texting us, you assume all risks involved. Please use texting only to discuss general office questions about scheduling and appointments.  We are not available 24/7, if this is an emergency, dial 9-1-1.

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Comprehensive Mental Health Care for All Ages

Expert evaluations and individualized therapy for children, teens, and adults in Katy, Texas.

Therapy & Treatment

✔ Evidence-Based Therapy
✔ CBT, DBT, ACT, PCIT & More
✔ Personalized Support for All Ages

Comprehensive Assessments

✔ Psychological & Educational Evaluations
✔ ADHD, Autism, Anxiety, Depression
✔ Mood Disorders & Personality Disorders
✔ Learning Disabilities
✔ SAT/ACT Testing

Payment & Accessibility

✔ Self-Pay Practice
✔ No Insurance Accepted
✔ Quality Care in Katy, Texas
✔ HSA/FSA is accepted

Compassionate Care You Can Trust.

Compassionate Care, When You Need It

Get expert support without the wait. We offer high-quality, in-person therapy and psychological services at our Katy, Texas facility.

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In the Heart of

Katy, Texas

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About Katy Psychological Services

About
Katy Psychological Services

Providing expert psychological care for children, teens, and adults in Katy, Texas. We specialize in comprehensive evaluations, evidence-based therapy, and school support, helping individuals and families navigate mental health and learning challenges with compassion and expertise.

Tell us what's on your mind

Select the option that is most relevant.

  • The connection between you and your therapist is everything. Let’s match you with the best possible fit based on your goals and availability. Click here to get started.

  • Our child and teen therapists are highly trained to provide specialized care. Let’s help your child navigate life’s challenges with confidence. Learn more about our pediatric services.

  • Strengthen your relationship with expert guidance. Whether you’re facing challenges or want to deepen your bond, our couples counselors are here to support you. Start your journey today.

  • Gain clarity with in-depth psychological and psychoeducational assessments. We provide testing for ADHD, autism, learning disabilities, and emotional concerns. Find out how evaluations can help.

At Katy Psychological Services, we believe in the power of compassionate, expert care. Our dedicated team of licensed psychologists and specialists work together to support individuals and families through life’s challenges.

We provide comprehensive evaluations and evidence-based therapy, ensuring that every client receives the highest level of care. Our clinicians are highly trained in a wide range of psychological conditions and treatment approaches, helping you find clarity, growth, and lasting well-being. Learn more about our specialties.

Our Katy Psychologist and Therapist team 

Meet Our Licensed Team

Dr. Dyanna Martinez Villesca

Owner | Licensed Psychologist,
School Psychologist (LSSP)

Dr. Melissa Grisdale

Licensed Psychologist School Psychologist (LSSP)

Katie Robertson, M.Ed., LPC

Licensed Professional Counselor

B. has been approved for special needs.  The school loved your report- they said it was so detailed that they don't have to do anything. Finally, we are getting some help for him!!  I can't thank you enough.

T.G.-parent

"We are extremely thankful for everything you have done for (our son) and the peace of mind this has given us as a family.  We are always worried about our children's academic future and this approval has given us some relief and lots of hope for (our son's) continued education.  Thank you for everything!"

M. Garza-parent

"Thank you for helping me.  You are professional and kind and I really appreciate what you've done to help me through my situation".

S.B. former client

We are ready when you are.

Not sure where to start? Just reach out.

Call (832) 913-8747

We're here to answer your questions and connect you with the right therapist.

Our Latest Resources 

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