Dr. Nagle provides services for adults eighteen years of age and older who have a broad range of motivations and interests to change.  He recognizes clients and their unique sociocultural contexts, experiences, and needs, offering psychotherapy of depth, insight and relationship, from an interpersonal perspective, to help them live out lives of integrity, wholeness and beauty.  Dr. Nagle maintains membership in the National Register of Health Service Psychologists, and the Maryland Psychological Association. 

Dr. Nagle received a Bachelor of Arts degree in Psychology from Montclair State University in 1992 and earned a Doctor of Psychology from the Graduate School of Professional Psychology at the University of Denver in 1998.  He completed an internship at the Florida State Hospital in Chattahoochee, Florida with a focus on the treatment of serious mental illness.  Dr. Nagle worked with the Federal Bureau of Prisons providing direct services to the inmate population between 1999 and 2010.  During this period, he focused on assessment, treatment and reentry commonly addressing suicide prevention, self-directed violence, serious mental illness, impulse management, and mood and substance use disorders. 


Dr. Nagle was the Chief of Mental Health Services after previously serving as the National Suicide Prevention Coordinator where he focused on monitoring and improving psychological services with specific attention to serious mental illness and suicide prevention.  Additionally, Dr. Nagle has taught college courses and worked in private practice.


Roseanne Middleton, Ph.D.

navigating complexity, building resilience

Middleton Psychology Services, LLC

Carl Middleton, Ph.D.

Dr. Carl Middleton is a Licensed Psychologist who provides cognitive-behaviorally oriented psychotherapy for Adults ages 18+.  He treats individuals with a wide variety of diagnoses and concerns such as depression, anxiety, trauma, emotional regulatory skills, habit change, anger management, and substance abuse.  Dr. Middleton is a NCC AP certified Master Addiction Counselor.

Dr. Middleton graduated from the U.S. Air Force Academy with a BS in Behavioral Sciences in 1980. He obtained a Master’s Degree in Industrial Psychology from St. Mary’s University of San Antonio, followed by a Doctorate in Clinical Psychology from Texas Tech University in 1993. He completed an internship emphasizing behavior therapy at the Institute of Pennsylvania Hospital.  Dr. Middleton worked as an occupational analyst for the US Air Force from 1980 to 1986. He provided direct treatment to inmates with a variety of disorders from 1993 to 2005, as a psychologist working with the Federal Bureau of Prisons.  During that period, he also worked part time in private practice and he taught several college courses. He served as a Regional Drug Abuse Programs Coordinator with the Federal Bureau of Prisons from 2005 to 2011 and as Mental Health Treatment Coordinator in the Central Office from 2001 to 2015.  Since 2016, Dr. Middleton has provided outpatient services for adults in private practice settings.

He maintains membership in the American Psychological Association, the National Register of Health Service Psychologists, and the Association for Addiction Professionals (NAADAC).

Robert Nagle, Psy.D..

Dr. Roseanne Middleton is a Licensed Psychologist who has been in private practice for over 30 years. She received her doctorate from Texas Tech University and completed a two-year internship at the Institute of Pennsylvania Hospital with specialized training in the treatment of trauma. Dr. Middleton’s therapeutic style was shaped by a background emphasizing psychodynamic and cognitive behavioral interventions focusing on the development of skills to improve psychosocial well-being and strengthen relationships.

Dr. Middleton provides services for adults ages 18+ seeking treatment for a range of mental health concerns including Depression, Anxiety, Panic Disorder, Obsessive Compulsive Disorder, and Post Traumatic Stress Disorder (PTSD). She specializes in treating individuals who have experienced trauma and problems forming or maintaining satisfying interpersonal relationships. In addition, Dr. Middleton focuses on treating couples to enhance communication and intimacy, as well as to negotiate the complexities of separation and divorce.

Geriatric services are another facet of expertise. Dr. Middleton has considerable experience working with elderly patients who face unique challenges related to aging and the impact of physical and cognitive debility on emotional health. 


Dr. Middleton maintains membership in the American Psychological Association, the Maryland Psychological Association, and the National Register of Health Service Psychologists.