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Expert Clinical Team

Compassionate, Experienced, Multidisciplinary Care

Our experienced, multidisciplinary team of specialists provide the most comprehensive treatment program for lasting recovery.

Dominic Nkwocha, MD, MPH

Addiction Psychiatrist

Board certified in General Psychiatry and Addiction Psychiatry, Dr. Nkwocha is the attending Addiction Psychiatrist. He is experienced in leading multidisciplinary teams in assessing, diagnosing and treating patients struggling with substance use and co-occurring disorders including schizophrenia, anxiety disorders, bipolar disorder, depression and post-traumatic stress disorder (PTSD).

Dr. Nkwocha received his medical degree from Wroclaw Medical University. He earned a Master of Public Health from Emory University Rollins School of Public Health in Atlanta, and completed a residency in general psychiatry at Morehouse School of Medicine in Atlanta. He returned to Emory University School of Medicine in 2005 for a fellowship in addiction psychiatry.

Catherine Baer, MS, MS, LPC

Clinical Director

Catherine Baer, MS, MS, LPC, serves as Clinical Director. In this role, Ms. Baer leads a talented and highly skilled staff of therapists, nurses and recovery coaches. A Licensed Professional Counselor with over 20 years of experience in the addiction treatment and mental health fields, Catherine has earned a reputation for ensuring compassionate, quality care.

One of her greatest passions is working with family members, equipping loved ones to be a support system vital to a patient’s sustained recovery. Catherine earned a Master of Science in Counseling from Georgia State University and a Master of Science in Psychology from University of Georgia.

Ansley Campbell, MA, LMFT

Assistant Clinical Director

Ansley Campbell, MA, LMFT, is Assistant Clinical Director at Atlanta Addiction Recovery Center (AARC). A Licensed Marriage and Family Therapist, she oversees and coordinates integrated clinical care and holistic therapies for individuals and families in recovery from substance use and dual disorders.

Ansley is an AAMFT Approved Supervisor in Training. She is certified in EMDR (eye movement desensitization and reprocessing), an evidence-based treatment for trauma. Ansley earned her Bachelor of Science in Psychology from Georgia College and State University, and her Master of Arts in Marriage and Family Therapy from Appalachian State University.

She believes in patient- and family-centered care. She takes the time to build a trusting relationship with her patients and their loved ones, so that they feel comfortable sharing their experiences and working through underlying issues impacting addiction and recovery.

Pam Tucker, RN

Registered Nurse

Pam Tucker is a Registered Nurse at Atlanta Addiction Recovery Center (AARC). She conducts intake assessments, educates patients and families about addiction treatment and recovery, and provides medication management and other patient care in the intensive outpatient and partial hospitalization programs.

Pam graduated from Georgia Baptist School of Nursing in Atlanta and later received a BA in Health Arts from the College of St. Francis. She has over 35 years of experience working as a nurse for patients with drug and alcohol addictions and psychiatric disorders. Pam enjoys providing compassionate, individualized patient care, and seeing the transformation when substance use and psychiatric disorders are effectively treated.

Mary Muranja, NP

Nurse Practitioner

Mary Muranja is a nurse practitioner, board certified by the American Association of Nurse Practitioners (AANP). She holds a Master of Science in Nursing/Family Nurse Practitioner from South University in Savannah, Georgia. Currently she’s pursuing post-masters certification in Psychiatric Mental Health Nurse Practitioner and a Doctorate in Nurse Practitioner at Regis University.

Her experience includes work in medical surgical units, nursing homes, home health, clinics, psychiatric hospitals, and case management for insurance companies. Mary is qualified to assess, diagnose and treat a wide array of conditions across the entire patient lifespan.

Ashley Buffington, LPC, MS

Lead Therapist

Ashley Buffington is a Licensed Professional Counselor in Georgia and Lead Therapist for Atlanta Addiction Recovery Center (AARC). Ashley received her Bachelor of Science in Psychology at Palm Beach Atlantic University with an emphasis on Christian counseling, and her Master of Science in Community Counseling from Mercer University in Atlanta, Georgia. She went on to complete a two-year program called Contemplative Leaders in Action through Ignatius House Jesuit Retreat Center in 2016. Ashley’s passion for integrating therapy and spirituality drives her practice. She has counseling experience in the areas of substance abuse, anxiety disorders, depression, trauma, adjustment disorders, anger management, grief and spiritual concerns.

Ty Miller, CADC II


He has an undergraduate degree in psychology from Kennesaw State University and is a Certified Alcohol and Drug Counselor. Hailing from Maryville, Tennessee, Ty’s introduction into the field of chemical dependency was working as a volunteer after he sought treatment for substance abuse to adopt a sober lifestyle. Ty is interested in becoming a social worker and making a career out of helping others obtain and sustain a life in recovery.

Stefan Glamp


Stefan Glamp is a Recovery Coach at RiverMend Health Center of Atlanta. He conducts groups for the Addiction Recovery Program. Stefan gratefully has 10 years of recovery himself and is able to share his principles of successful living without the use of drugs and alcohol.

Stefan started working in this field in 2014 at a local Inpatient facility treating individuals who have psychiatric as well as drug/alcohol problems. He then progressed to working at a Sober Living house. During this period, he also achieved his EMT certification. He is eager to learn new things and wants continue both his formal and informal education in this field. His passion is recovery and his personal experience in the past 10 years has assisted many in their own efforts to achieve a life of sobriety. Stefan’s unique perspective has endeared him to many, both in this field and outside of it.

Yoshi Hill, M.Ed.

Area Recovery Representative

Yoshi Hill, M.Ed, is an Area Recovery Representative for Atlanta Addiction Recovery Center (AARC). Yoshi received a Bachelor of Arts in Psychology from University of Alabama in Tuscaloosa, and a Master of Education in Counseling with a focus on marriage and family therapy, from University of Montevallo in Montevallo, Alabama. At AARC, she manages business development, including marketing initiatives and community outreach.

Yoshi has many years of experience working in the substance abuse and eating disorder fields. Previous roles include serving as an intake assessor, family therapist, coordinator and clinician in inpatient psychiatric facilities, hospitals, residential addiction treatment facilities, and outpatient addiction treatment programs. She finds working in the addiction treatment field rewarding because it offers the chance to support individuals and families as they work for a better quality of life. Her goal is to let them know that there is hope, and that she and the AARC team are there to help them.

Kristen Scheel, MA

Director of Admissions

Kristen Scheel is Director of Admissions for Atlanta Addiction Recovery Center (AARC). Kristen has been sober since 2008 and finds passion in helping others as she was helped. She is involved in addiction organizations nationally and thrives on to the opportunity to connect individuals to long-term recovery. Kristen attended Augsburg College for her undergraduate studies and Saint Mary’s University of Minnesota for graduate studies in counseling and psychological services.

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