Helping you take decisive action and achieve

Get to know us

Helping you take decisive action and achieve

Get to know us

by exulthealth
Clients count on us to help them transform uncertainty into possibility and rapid change into lasting progress.

Deepika Bhargava


Medical Director, CEO

Dr. Deepika Bhargava (who is lovingly known by staff and patients as Dr. B) is a board-certified Adult and Geriatric Psychiatrist as well as the medical director of Exult Healthcare.

Dr. B did her externship at St. Elizabeth Hospital, in Washington, D. C.  She went on to do her residency in Psychiatry at Wright State University in Ohio. Finally, Dr. B did her fellowship in Geriatric Psychiatry at UT Southwest.

Dr. B has held many leadership positions and served as Medical Director at Haven Behavioral Hospital, Allegiance Hospital (in Tyler and Keller, TX).  She currently is a member of American Association for Geriatric Psychiatry and Obesity Medicine Association.

Exult Healthcare was conceptualized when Dr. B wanted to combine her passion for mental health, addiction and obesity medicine.

During her free time, Dr. B enjoys time with her husband and their three children.
She loves to cook and spend time with her two dogs, Sugar and Oreo.

Cynthia Dsauza


Clinical Director

Dr. Cynthia D’Sauza is a licensed marriage and family therapist and received her Ph.D. in Marriage and Family Therapy at Texas Tech University. Her clinical and research specialization is in eating disorder and addiction treatment and has worked extensively in the field. Her research has included addiction recovery in emerging adults, factors influencing long term recovery, spirituality in long term recovery, treatment of binge eating disorder and food addiction.

Dr. Dsauza also specializes in the treatment of process addictions (sex addiction, gambling, etc.). She has worked in community agencies and private practice with individuals, couples and families looking to work towards growth and healing.

Dr. D’Sauza believes that change comes from understanding what drives our behavior and then making a conscious effort to change what doesn’t work for us anymore. Her greatest joy is working with people to find solutions to their problems so that they can go on the live their life to the fullest.

She is located in both McKinney and Sherman offices.

Michelle Hemm



For over 30 years Michelle has dedicated herself to working with individuals suffering from addiction and mental health issues. She has a passion for working with victims of trauma as well as those marginalized by society.

Michelle has gone on to establish several programs, both residential and outpatient and has worked with a varied population including, adolescents, adults, substance abuse, mental health, HIV, Human Trafficking victims, LGBTQ, and Transgender individuals.

Karen Limme



Karen received her Masters of Arts in Professional Counseling at Texas Wesleyan University where she studied Professional Counseling, Marriage and Family Therapy, and School Counseling. She specializes in crisis counseling especially patient with schizophrenia or psychosis. Karen has a background with sexual abuse, sex trafficking victims, trauma, and anxiety induced somatization like psychogenic non-epileptic seizures.

She is located in both McKinney and Sherman offices.

Jason Pettit



Jason has a combined 16 years working with troubled youth and is currently still working with Collin County as a Probation Officer and Detention Officer. His focus is with both adults and adolescents with substance abuse issues.

Jason received his Masters of Science in Professional Counseling from Texas A&M-Commerce and has been working with both adults and adolescents since. Jason also has the experience of being a signed football player with the Arena Football League.