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The team

Our providers

Board-certified psychiatrists, psychologists, nurse practitioners, and licensed therapists working across our Mansfield and McKinney care centers.

Dr. Jacqueline Lim, D.O.

Child & Adolescent Psychiatrist · Medical Director, McKinney

A native Texan who served as Chief Fellow in child and adolescent psychiatry at John Peter Smith Hospital. Her clinical interests include Asian American mental health, sleep disorders, and forensic psychiatry.

McKinney

Dr. Jason Crowley, MD, MPH

Psychiatrist · Adult and Child & Adolescent

A former Naval Officer with an MPH from Johns Hopkins and a Public Psychiatry Fellowship from Yale. His experience spans inpatient crisis units, community mental health centers, and VA clinics.

Mansfield

Dr. Thomas, PsyD, LP

Clinical Psychologist

Provides evidence-based care across the lifespan with a holistic approach grounded in purpose and resilience, plus psychological assessment of intellectual, academic, memory, and executive functioning.

Both locations

Dr. Khaja Chisty, MD

Psychiatrist · Adult and Child & Adolescent

Board-certified with 14+ years treating ADHD, anxiety, depression, trauma-related conditions, and complex behavioral presentations, with experience integrating TMS and technology-enhanced care.

Mckinney

Alexander Ng, APRN, PMHNP-BC

Psychiatric Mental Health NP

Began his behavioral health career at the Children’s Hospital of Philadelphia and has cared for patients of all ages across day programs, inpatient units, and community settings since 2015.

Mansfield

Minu Bijo Philip, APRN-CNP, PMHNP-BC

Psychiatric-Mental Health NP

Board-certified and rooted in a comprehensive nursing foundation, she cares for pediatric through geriatric patients with close attention to how physical health shapes psychological well-being.

Mansfield

Kathryne Rivero, MSN, CPNP-PC, PMHS

Pediatric NP & Mental Health Specialist

Highly experienced in evaluating and treating ADHD and Autism Spectrum Disorder. A mother of five neurodiverse children, she partners with families on medication management and school supports.

Mansfield

Nadia Hayes, MSN, APRN, PMHNP-BC

Psychiatric-Mental Health NP

A background spanning medical-surgical, cardiac, and intensive care nursing informs her work with children, teens, and adults managing ADHD, anxiety, depression, and mood disorders.

McKinney

Carolyn Thompson, LCSW

Clinical Social Work Supervisor

Creates a safe, supportive space where children build confidence and learn to manage emotions, using engaging, age-appropriate, evidence-based approaches — and supporting parents along the way.

Mansfield

Kayla Canon, MSN, APRN, PMHNP-BC

Psychiatric-Mental Health NP

With experience in substance abuse and medical detox, she takes a whole-person approach to anxiety, depression, and bipolar disorders with individualized treatment plans.

McKinney

Open HarmonyVille Assistant