Carolina Complete Psychiatry | Providers
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Our Providers




Rachel L. Holzhauer, PA-C


Rachel believes in a collaborative approach to treatment, so she is committed to find an individualized plan for each patient. Her goal is to find a treatment approach that best fits with where the patient is at, understanding that medications may not be the right fit for everyone. Rachel completed both her Bachelor of Science and Master of Science in Physician Assistant Studies at Philadelphia University. Once completing school, she became a nationally board certified physician assistant and licensed to practice medicine by the North Carolina Medical Board. Rachel relocated to the Charlotte area and started working on an inpatient psychiatric unit. While she enjoyed being a part of the hospital team, Rachel also found she enjoyed practicing on the outpatient unit as she get’s to spend more time building a relationship with each patient. She has experience working with behavioral health patient’s that are inpatient, outpatient, in intensive outpatient programs, and for emergency psychiatric evaluations. As a provider that believes all systems are linked, mentally and physically, she enjoys keeping up-to-date in all areas of medicine. Rachel also believes in the importance of ongoing education and for this reason precepts physician assistant students from Wingate University and Thomas Jefferson University.

Colleen Cavanagh, PA-C


Colleen Cavanagh is a graduate of Wingate University’s Physician Assistant program and is excited to begin at Carolina Complete Psychiatry. She attended the University of Notre Dame for her undergraduate studies, obtaining a Bachelor of Arts in Psychology. She has always had a great interest in psychology and psychiatry, as through her undergraduate classes, she realized how closely intertwined these fields are with every other aspect of life. She is looking forward to working with patients to create treatment plans specifically directed to their individual concerns. Colleen enjoys getting to know her patients and talking with them about their needs in order to fully understand what she can do better their mental and overall health. She is excited to take new patients and to create relationships with those coming to Carolina Complete Psychiatry for care. She is accepting patients of all ages.

Gabrielle Miller, PA-C


Passionate about psychiatry and the link between mind and body, Gabrielle is a proud advocate for the relationship between mental and overall health. She obtained her masters through Bethel University’s Physician Assistant program and holds a Bachelor of Science in Biological Sciences from North Carolina State University. Gabrielle feels that each patient requires a collaborative therapeutic process that encourages and promotes healthy outcomes. With a background in outpatient psychiatry, she believes that building holistic relationships is critical to patient success. Gabrielle grew up outside of Charlotte and was happy to return to the city in 2019 to be closer to her family and join Carolina Complete Psychiatry. In her spare time she enjoys cooking, reading, playing with her dog, and going to the beach. She is accepting patients of all ages.