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Psychiatric Services Program (PSP)

Our mission is to provide compassionate psychiatric treatment. Our psychiatric team of psychiatrists and psychiatric nurse practitioners guide clients through the challenging task of determining if medication is an appropriate and needed addition to therapy services. Our program includes a board-certified child psychiatrist whose expertise is in childhood diagnoses such as ADHD, Depression, and Anxiety. Early detection for serious mental health issues is important to get the proper diagnoses, medications, and tools to deal with their struggles.

  • Compassionate
  • Psychiatric Treatment
  • Child & Adolescent Psychiatry
    • Depression
    • Anxiety
    • ADHD
  • Disruptive Mood Dysregulation Disorder
  • Co-occurring Mental Health & Substance Abuse Disorders
  • Mood Disorders
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Angela Harrison-Brantley


Dr. Brantley is a Board Certified Adult and Child Psychiatrist. She received her medical education from Meharry Medical College in Nashville.

Completed her residency in Adult Psychiatry and specialty training in Child and Adolescent Psychiatry at the University of Maryland Medical Center in Baltimore. 20+ years in practice, Dr. Brantley provides effective, compassionate psychiatric care.

Dr. Brantley takes the time guiding parents in the complex and sometimes difficult decision to add medication for the care of a child. Vast experience in various disorders such as Depression, Anxiety, Obsessive Compulsive Disorder, Bipolar Disorder, Attention Deficit Hyperactivity Disorder, and Disruptive Mood Dysregulation Disorder, Dr. Brantley provides careful and compassionate care leading to a collaborative approach with the client and therapist. She strongly believes in helping to break the cycle of mental health disorders in families. Helping one member may benefit a generation of family members.

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Veronica Garcia


Veronica Garcia is a board-certified psychiatric-mental health nurse practitioner (PMHNP-BC) who evaluates and treats patients with co-occurring mental health and substance abuse disorders. Veronica earned her Master of Science in nursing from Walden University. She is a member of the American Association of Nurse Practitioners and the American Psychiatric Nurses Association.

At MPB Group, our goal is abstinence as an eventual goal. We have expanded to substance abuse medications to assist clients in reaching this goal. Every client at MPB Group obtains a psychiatric evaluation, and the substance abuse assessment and services are individualized and based on the client’s needs and goals. We believe in the most recent behavioral health science and use the most current medications to support recovery, Naltrexone and Buprenorphine/Suboxone products. Our nurse practitioners are involved in treatment decisions and integral parts of our treatment team.

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Atina Sullivan


Dr. Sullivan is a doctorly prepared psychiatric nurse practitioner and have experience treating child, adolescent, and adult populations. She graduated from George Mason University’s Psychiatric Mental Health Nurse Practitioner program and received her board certification through ANCC.

She developed a passion for helping others when she was young and have been working in behavioral health in various capacities since 2012. She trained with several psychiatrists, psychiatric nurse practitioners, and psychologists at the inpatient, partial, and outpatient level of care. During her training, she primarily focused on adult medication management with a focus on acute mental illness, group therapies, and development of positive coping skills to improve distress tolerance.

Dr. Sullivan is licensed in Maryland and DC.