Our Team

Meet our team of professionals here to help you start feeling better

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Dr. Andrew Magers
Clinical Psychologist - Therapy and Testing

Andrew Magers, PsyD, is the founder and owner of the Renewal Health Group.  In 2007, he became convinced of the value of not just addressing the physical problems with our flourishing, but the psychological, relational, and spiritual issues as well.  Because of that, he finds deep meaning in helping others find peace, hope, and purpose through holistic care.  So, he pursued his doctorate in clinical psychology at Wheaton College in Illinois, and has made holistic thinking a central tenant of his professional work.

Dr. Magers has extensive clinical experience working in multiple treatment settings, including private practice, inpatient mental health, an intensive outpatient program, a juvenile detention center, and in college counseling.  In total, thousands of individuals, families, and churches have been guided by him to become healthier as a whole person.

Dr. Magers's particular areas of specialty include the wholistic treatment of trauma, the integration of psychology and spirituality, and psychological testing.  He focuses on the concepts of shame, unhelpful thinking, and existential and spiritually related issues in therapy, all through a trauma informed, narrative approach called Story Informed Trauma Therapy.

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LaDonna De La Riva, PMHNP-BC
Nurse Practitioner - Medication Management

LaDonna De La Riva is a board-certified Psychiatric-Mental Health Nurse Practitioner, which gives her specialized training specifically in the treatment of your mental health difficulties with prescription medication. She earned her MSN at the University of Mississippi, where she graduated Summa Cum Laude. LaDonna prides herself on treating her patients like people, not a number, and wants to see you be healthier, not merely provided a quick fix. She takes her time with each patient, making sure that you feel heard and understood.

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Katie Osterlund, MS, RD, LD
Registered Dietitian - Dietary Counseling

Katie Osterlund, MS, RD, LD, earned her BS in Dietetics from Auburn University and her MS in Health Sciences from Georgia State University, where she successfully completed her Dietetic Internship. Katie finds it deeply meaningful to help you think wholistically about your health, especially regarding your relationship to food. She creates for you individualized, sustainable nutrition goals that reflect a body-positive and food-positive attitude towards nutrition. While transformation is ultimately the aim, she sees her role as a sojourner and co-laborer with you as you work towards the life you are hoping for.

Profile of Tiffany Rheams
Tiffany Rheams

Tiffany is the team's billing and insurance expert.  She has been in the field of practice management for over a decade and lives with her son and dog in Texas.