16479 Dallas Parkway, Suite 320, Addison, Texas 75001
Office Hours: Monday-Thursday 8am-5pm | Friday 8am–1pm

Call (469) 484-4260

About Us

Preston Hollow Psychiatry Group is a leader in advanced therapy for treatment-resistant depression. Located along the Dallas North Tollway, serving the entire DFW Metroplex, the practice is led by Marty N. Bennett, MD, a board-certified psychiatrist.

In addition to providing traditional, patient-centered psychiatric care, the practice is affiliated with the Dallas Center for Advanced Depression Treatments (CADT), the first and most experienced in the Dallas area to offer FDA-approved SPRAVATO® for treatment-resistant depression. Dallas CADT also is a certified provider of BrainsWay Deep TMS, an FDA-approved treatment for major depressive disorder and obsessive-compulsive disorder (OCD).

Physicians

Marty N. Bennett, MD

Diplomate of the American Board of Psychiatry and Neurology

Dr. Bennett is board certified by the American Board of Psychiatry and Neurology. He served on the faculty of UT Southwestern Medical School for five years in the Consult Liaison Division. This area of medical practice deals with the interface of psychiatric symptoms and medical conditions that may be contributing to or causing behavioral or emotional disturbances. Dr. Bennett also saw patients in the division of Psychoneuroendocrinology. This field is the clinical study of hormone fluctuations and their effects on brain function and behavior. Of particular focus was the role of steroid effects on the central nervous system.

Dr. Bennett founded Preston Hollow Psychiatry Group in 2007 as a way to deliver high quality, proven, and cutting edge personalized medical care without the time constraints placed on patient visits that are often found in today’s offices.

Dr. Bennett received a Bachelor of Science from Wake Forest University, after which he completed a master's degree in Molecular/Cellular Biology, also at Wake Forest. He attended medical school at The University of North Carolina – Chapel Hill and completed his psychiatry residency at The University of Texas Southwestern Medical School in 2002.

Associates

Emily Davis, PMHNP-BC

Emily Davis is a board-certified Psychiatric Mental Health Nurse Practitioner. She joined Preston Hollow Psychiatry Group in December of 2020 to provide care for patients 10 years old through adult age. Ms. Davis has been providing direct care to patients in the Dallas area for over a decade. She has particular expertise in working with patients with mood and anxiety disorders as well as attention deficit disorder. Her ability to collaborate with patients and treatment team members across medical specialties is especially helpful in addressing complex psychiatric illnesses.

Ms. Davis earned her nursing degree from Texas Woman’s University and a Master of Science in Nursing from Eastern Kentucky University. She is a member of Sigma Theta Tau International Honor Society of Nursing and the Neuroscience Education Institute.

Dayna Kinney, PMHNP-BC

Dayna Kinney is a board-certified Psychiatric-Mental Health Nurse Practitioner. She was highly recruited to join Preston Hollow Psychiatry Group in the Spring of 2019 to provide mental health care to individuals above the age of 10 years old. Previously, Dayna was working with patients in Southern New Mexico at an inpatient psychiatric facility. Dayna has experience working with children, adolescents, and adults in both the inpatient and outpatient mental health settings. She has specialized experience in providing care to individuals with mood and anxiety disorders, and providing medication management and psychotherapy to children/adolescents with OCD and ADHD. Dayna especially enjoys partnering with patients to apply evidence-based interventions to address behavioral health concerns, as it is her belief that every patient has an innate resilience that can be strengthened with treatment.

She received her Bachelor of Science in Nursing and Master of Science in Nursing from the prestigious program at The University of Texas at Austin.

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