Meet our Team
Dr. Bryon McQuirt
Medical Director
Dr. McQuirt graduated from The University of Toledo (Ohio) with a Bachelor’s Degree in Arts and Sciences. After graduating medical school in 2009, soon after he completed an internship and general psychiatry residency program at Louisiana State University in New Orleans. Following my training in New Orleans, he attended a one-year fellowship at Emory University in Forensic Psychiatry. Dr. McQuirt is a board certified adult and forensic psychiatrist specializing in the treatment of depression, mood disorders, and chemical dependency. By combining evidence-based practices and the client’s individual needs, his approach is to strive to optimize treatment goals and overall stability.
Shawn Witt LPC
Clinical Director
As a trauma survivor herself, Shawn had the vision no person should ever feel alone in their recovery. This vision prompted her to embark on her therapeutic journey, obtaining her Certified Peer Specialist (CPS) certificate and a Clinical Mental Health Counseling Master’s in the psychoanalytic discipline from Northwestern University. Later, she became an LPC, with certifications in addiction (CAADC), trauma (CCTP-II), and personality disorders (C-PD), with a subspecialty in mass shooting survivors, first responders, and combat veterans. Shawn is also trained in Level Two EMDR techniques and utilizes this in her private practice. In 2015, she served on the Board of Advisors for The Ranch Recovery Center in Tennessee, specializing in trauma and addiction recovery, further cementing her passion for the cause.
Shawn often lectures throughout Georgia on trauma and recovery, introducing others to her innovative approach to trauma therapy with a unique connection to community. These experiences motivated her to establish TraumAnon, a peer-led, 12-step trauma support group. Founded in 2019, TraumAnon now has an over 9,000-member community spanning across the U.S. and multiple other countries. Shawn publishes a podcast, Trauma Talks with Shawn Witt, focused on trauma and addiction which can be found on Spotify..
Additionally, Shawn has been quoted in ` and is currently used as a source for Politico, regarding trauma and its effects on survivors. She has been a guest speaker at the Georgia Mental Health Consumer Network Conference and hosts certifications and training for CPSs throughout Georgia.
Shawn spends time between her home in Savannah and Atlanta with her husband, four children, and her mastiff, Ellie Mae. She coaches cheerleading for CHAA, a local Christian homeschool association, and is active in her church and community.
Addie is the Program Manager at Perimeter Treatment Center in Atlanta, GA, bringing years of experience in addiction treatment and medical treatment services. Starting as a behavioral health technician, she developed a deep understanding of client needs and recovery challenges. Today, she leads one of Atlanta’s most trusted drug treatment programs, ensuring every client receives personalized, evidence-based care in a safe and supportive environment. Addie’s compassionate leadership promotes clinical excellence, client satisfaction, and long-term recovery success. Her passion for helping individuals overcome addiction drives Perimeter Treatment Center’s mission in guide people toward lasting sobriety and a healthier, more fulfilling life.
Casey Armiger’s journey from studying political science to becoming a dedicated advocate for substance use treatment is marked by his passion for creating positive change. After his time in political science, Casey’s realization that his true passion lay in entrepreneurship led him to venture into business ownership. Over the course of a few years, he honed his skills and gained valuable experience by establishing and running his own companies.
With genuine empathy and an unwavering commitment to helping others, Casey transitioned into the field of substance use and mental health treatment. He initiated a new venture in Perimeter Treatment Center, with a primary focus on providing comprehensive and accessible treatment options for individuals facing substance use disorders. As one of the founders of Perimeter Treatment Center, Casey Armiger is a driving force behind the center’s mission to transform lives and communities through effective and compassionate treatment.
At the heart of Perimeter Treatment Center is a team of licensed, experienced professionals dedicated to guiding you through outpatient detox in Atlanta safely and effectively. Our physicians, nurses, therapists, and support staff combine years of expertise in addiction medicine with genuine empathy, providing personalized care and encouragement every step of the way. We understand that each recovery journey is unique. Our goal is to help you regain control of your life through a structured, supportive, and medically supervised outpatient detox Atlanta GA program.
Perimeter Treatment Center provides comprehensive substance abuse and mental health care, offering outpatient services for anxiety, depression, bipolar disorder, PTSD, mood disorders, emotional dysregulation, and substance dependence.We begin by helping you safely stabilize. For treatment, that means medical oversight without an overnight stay. For mental health, it starts with a compassionate assessment and a personalized plan to address your most urgent needs.From there, we help you begin recovery using proven approaches like CBT, DBT, trauma‑informed care, MBSR, medication management, and wellness coaching. You gain real tools to understand your patterns, manage emotions, and build healthier habits.Finally, we ensure you receive the support you need for long‑term wellness. We connect you with ongoing therapy, structured programs like PHP or IOP, and community resources—so your progress doesn’t end when treatment ends.You don’t have to face these challenges alone. We’re here to help you stabilize, heal, and build a life that lasts.
Compassionate Experts Who Support Your Recovery
Located at 1215 Hightower Trail Bldg B Suite 100, Atlanta, GA 30350, our medical team specializes in flexible outpatient treatment services that let you safely withdraw from alcohol, opioids, prescription medications, and other substances without an overnight stay. Our licensed clinicians provide individualized care, closely monitoring your symptoms and adjusting treatment plans to ensure your safety, comfort, and long‑term wellness. At Perimeter Treatment Center, we combine clinical expertise with genuine compassion to create a supportive environment where you can focus entirely on healing.
What Sets Our Team Apart
1.
Board-Certified Physicians
Experts in addiction medicine and outpatient treatment procedures, ensuring safe and medically supervised care.
2.
Registered Nurses (RNs)
Skilled in withdrawal management, symptom monitoring, and compassionate patient support throughout the treatment process.
3.
Licensed Therapists
Available for counseling and emotional support to complement your treatment program.
4.
Medical Support Staff
Dedicated to creating a welcoming, judgment-free environment for every client.
Convenient, Confidential, and Personalized Care
We provide a private, accessible outpatient center where each client receives tailored care for their unique needs. From your first phone call to your final appointment, we prioritize comfort, privacy, and clinical excellence.
Our services include:
Outpatient medical treatment for alcohol, opioids, and prescription medications with personalized medication management
Comprehensive mental health care for anxiety, depression, bipolar disorder, PTSD, mood disorders, and emotional dysregulation
Evidence‑based therapy including CBT, DBT, trauma‑informed care, MBSR, wellness coaching, and flexible scheduling
Whether it’s your first step toward recovery or part of a continued treatment plan, our compassionate team is committed to helping you achieve lasting wellness.
Call Us
404-383-7826
