Our Psychiatric Team — WellSpace Psychiatry Louisville, KY
A Collective Perspective Built on Years of Experience
We bring a collective perspective that is comprised of many years of experience that spans mental health, critical care, outpatient and inpatient care, social work, and business. All of this is rooted in our need to help others. You won't find a more positive team of clinicians and staff. Our philosophy is that we will be in this journey together with you.
About WellSpace Psychiatry
Experienced Clinicians and Staff - Here for You
Our practice is borne of passion. We have spent the better part of our careers helping people live their best lives.
Meet the Team
The People Behind WellSpace Psychiatry
Mark Bush, MSN, APRN, PMHNP-BC
Mark is one of the founders of WellSpace Psychiatry and is a board certified Psychiatric Mental Health Nurse Practitioner (PMHNP). Mark received his Associates, Bachelors and Masters degrees in Nursing. He spent the better part of his nursing career focusing on and helping people manage their mental health wellness. Earlier in his career, Mark was a nurse in critical care in a hospital setting which has given him the unique perspective of how to work in an urgent and efficient way. The last 10 years has seen a dedicated focus on working together with each client to address their mental health. Mark's work as a highly experienced clinician has been in the community health setting where he has had the opportunity to treat a wide range of psychiatric disorders across the lifespan. He is comfortable treating clients presenting with mild to severe symptoms across the mental health spectrum and across the lifespan.
Sarah Campbell, MSN, APRN, PMHNP-BC - Joining WellSpace Psychiatry in January 2027
Sarah is a board-certified Psychiatric Mental Health Nurse Practitioner (PMHNP) who brings warmth and real-world experience to every patient interaction. She got her BSN from Galen College of Nursing and her MSN from the University of Louisville, plus a Business Administration degree with minors in English and Journalism from the University of Mississippi. Her career has taken her through adult and child inpatient psychiatry, oncology, and medical-surgical neurology, and she's stepped into charge and triage roles that sharpened her ability to stay calm under pressure. Sarah genuinely enjoys working with people from all walks of life and feels at home treating everything from mild concerns to more complex mental health needs across the full lifespan.
T.J. Federer, MBA, MSW
T.J. is a co-founder of WellSpace Psychiatry and oversees the operational and business functions of the practice. He holds a Bachelor's degree in Social Work from the University of Tennessee and a Master's degree in Social Work from the University of Georgia. During his career as a Social Worker, T.J. directed multiple treatment programs across Ohio and Kentucky, supporting patients and families in overcoming adversity rooted in medical and cognitive challenges. He also earned a Master of Business Administration and spent more than 25 years at Humana and BluePeak Advisors, where he built teams and developed programs dedicated to helping customers achieve their best health.
Cassandra Yates
Cassandra brings her extensive background in healthcare to help us run the office at WellSpace Psychiatry. Cassandra has an associate's degree in applied science and has been a nurse since 2012. She has worked in healthcare since she was 18 working her way through school to become a nurse. Cassandra truly loves helping patients and encouraging them along the way in their healthcare journey. She is a compassionate and dedicated professional with a desire to assist clients in a kind and efficient manner.
Ready to Start Your Journey?
Taking the first step toward better mental health is an act of courage. We are here to make it as easy as possible.