The Costello Clinic


About the Costello Clinic

The Costello Clinic is a general outpatient psychiatry clinic specializing in helping children, adolescents, and adults. We focus on addressing problems that are typically resolvable or treatable within a 3 to 6 month time period.  This means usually symptoms have significantly remitted or resolved, functioning is re-established, and maintenance therapy is instituted. 

The Costello Clinic uses a comprehensive approach to treatment.  Typically the practitioners here may focus on medication components of treatment but may encourage, educate, direct, and may provide psychological and social support recommendations or interventions as appropriate and individualized for each person provided care. 

Each Advance Practice Nurse is supervised by Dr. Louis Costello, and they have specialized training in Psychiatry in addition to meaningful clinical experience and wisdom.

Dr. Louis Costello

Dr. Louis Costello

Dr. Costello has been a Child, Adolescent, and Adult Psychiatrist practicing in the Lewisville area since 1996.  He provides comprehensive and individualized psychiatric care including all of the following:  evaluations, consultations to other medical and psychological caregivers, individual therapy, parent and family guidance, and medication management.  He strives to use up-to-date psychiatric diagnosis and medication management strategies that are conservative, compassionate and research based.  Treatment plans are developed with input from the patient and parent(s) when appropriate, to help individuals be as reasonably joyful, funciontal, and developmentally on track given each person's strengths and vulnerabilities. 


The Costello Clinic was established in 2006 by Dr. Costello and is honored to serve the Lewisville and North Texas area and for the trust our patients put in us.

Our Objective is to provide the highest quality medical care in the areas of Child, Adolescent and Adult mental health service. 

New Developments in Treatment:

In October 2008, the FDA approved repetitive Transcranial Magnetic Stimulation (rTMS) for outpatient treatment of resistant Major Depression in adults.  In 2009, Dr. Louis Costello and The Costello Clinic are pleased to help bring this new FDA approved treatement to North Texas.  To learn more, please see Texas First TMS Therapy or NeuroStar web sites.

" I invite you to explore this website to learn more about our clinic and the various functions this website serves.  It is intended to improve our patient's overall psychiatric care experience.  We will periodically work to improve this site to increase its usefulness. " 

Thank you,
Dr. Louis Costello



Telephone +(972) 317-2082

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