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Autism Diagnosis & Assessment

Dr. Messina & Associates

Center-based in Flower Mound, TX

5.0(9 Google reviews)
Accepting new clientsTelehealthCenter-based

Ages served

Children, teens, adults, couples, and families

Availability

Accepting new clients

Setting

Center-based · Telehealth

Languages

English

Overview

Autism Diagnosis & Assessment in Flower Mound

A multi-location group practice in Southlake and Flower Mound offering psychological testing, therapy, counseling, and psychiatric care for children through adults. Evaluations cover autism spectrum disorders, ADHD, learning differences, and executive functioning — with licensed psychologists, counselors, and a psychiatric nurse practitioner available under one roof. Three offices serve families across the Tarrant County suburbs, including Westlake, Colleyville, Grapevine, Keller, and Trophy Club, with online therapy also available.

Best for

Families who want autism or ADHD diagnostic testing plus a clear path into ongoing therapy or psychiatric care at the same practice, without coordinating across multiple providers.

Their approach

Testing and treatment are coordinated internally — after an evaluation, the same team can provide CBT, EMDR, or psychiatric medication management, so follow-up care stays connected rather than fragmented across referrals.

What to expect

The first appointment is a comprehensive evaluation to map out what's happening and what kind of support makes sense; a tailored plan follows, potentially combining psychological testing, therapy, and psychiatry. Offices are open Monday through Friday 8 AM–8 PM and Saturday mornings.

Services

Services & specialties

Age Range
Children through adults
Evaluator Types
psychologistpsychiatristPMHNP
Scope Of Testing
autism spectrum disorderADHDlearning differencesexecutive functioningemotional regulationdiagnostic evaluation

The people

Meet the Dr. Messina & Associates team

Michael Messina, PsyD, Licensed Psychologist / Founder

Michael Messina, PsyD

Licensed Psychologist / Founder

PsyD
A licensed psychologist and founder of the practice, Michael Messina focuses on evidence-based assessment and therapy using CBT; he also authored a book on navigating grief and trauma through psychological and faith-based frameworks.Read more
Mechell Guy, EdD, Licensed Professional Counselor

Mechell Guy, EdD

Licensed Professional Counselor

EdDLPC
Mechell Guy brings a doctoral background in education to her work as a licensed professional counselor, supporting clients with behavioral and emotional concerns.Read more
Verena Harder, PsyD, Licensed Psychologist

Verena Harder, PsyD

Licensed Psychologist

PsyD

Verena Harder is a licensed psychologist at the practice, contributing to evaluation and therapy services.

Brittain West, LPC, Licensed Professional Counselor

Brittain West, LPC

Licensed Professional Counselor

LPC

Brittain West is a licensed professional counselor providing therapy for emotional and behavioral challenges across the practice's locations.

Sonal Patel, LPC, Licensed Professional Counselor

Sonal Patel, LPC

Licensed Professional Counselor

LPC

Sonal Patel is a licensed professional counselor offering individual therapy and counseling to clients at the practice.

Kristi Rodriguez, LMFT-A, Licensed Marriage and Family Therapist - Associate

Kristi Rodriguez, LMFT-A

Licensed Marriage and Family Therapist - Associate

LMFT-A

Kristi Rodriguez is a licensed marriage and family therapist associate who works with individuals and families on relational and emotional concerns.

Laura Cooke, LPC

Licensed Professional Counselor

LPC

Laura Cooke is a licensed professional counselor supporting clients through targeted therapy and counseling at the practice.

George Johnson, LPC-A, Licensed Professional Counselor - Associate

George Johnson, LPC-A

Licensed Professional Counselor - Associate

LPC-A

George Johnson is a licensed professional counselor associate providing therapeutic support to clients at Dr. Messina & Associates.

Jennifer Ha, MSN, APRN, PMHNP-BC, Board-Certified Psychiatric Mental Health Nurse Practitioner

Jennifer Ha, MSN, APRN, PMHNP-BC

Board-Certified Psychiatric Mental Health Nurse Practitioner

MSNAPRNPMHNP-BCPMHNP-BC
Jennifer Ha is a board-certified psychiatric mental health nurse practitioner who handles psychiatric evaluations and medication management for children, teens, and adults.Read more

Reputation

What families say about Dr. Messina & Associates

5.0
9 reviews

Ratings and reviews sourced from Google.

Good to know

Common questions about Dr. Messina & Associates

What ages does Dr. Messina & Associates serve?

Dr. Messina & Associates serves ages Children, teens, adults, couples, and families. If your child is near the edge of that range, it's worth reaching out — providers often make case-by-case decisions.

Does Dr. Messina & Associates offer telehealth?

Yes — Dr. Messina & Associates offers telehealth in addition to in-person care for families across Texas, where clinically appropriate. It can be a practical option for follow-ups or for families a long drive from the clinic.

Where is Dr. Messina & Associates located?

Dr. Messina & Associates is located at 1011 Surrey Ln Building 200 Suite 16, Flower Mound, TX 75022, serving families throughout Flower Mound and the surrounding area. If getting there is difficult, ask whether telehealth or in-home options are available.

Is Dr. Messina & Associates accepting new clients?

Dr. Messina & Associates is currently accepting new clients in Flower Mound. Sharing your child's age and insurance up front helps them tell you quickly whether they're a fit — availability can change fast.

Ratings sourced from Google. Autism Services Finder verifies listings but doesn’t endorse providers. Updated July 2026.

1011 Surrey Ln Building 200 Suite 16, Flower Mound, TX 75022

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