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About Us

Meet our providers at Total Wellness Medical Care.

Dr. Rick Olson, M.D.

Medical Director

  • Board Certified in Family Medicine
  • Board Certified in Medical Genetics

Rick Olson, MD attended Kansas University Medical School and has been practicing in South Carolina since 2000.  After completion of a fellowship in medical genetics, Dr. Olson joined MUSC as an adjunct assistant professor performing clinical services.  He was codirector and is now currently employed in hospital medicine services at Summerville Medical Center.  As Medical Director of Total Wellness Medical Care, Dr Olson is not currently seeing new patients and refers all new patients to our other healthcare providers. Dr Olson is Medical Director and functions in a supervisory role.

Dr. Leo Jesion, D.O

Clinical Director

  • Board Certified in Internal Medicine

Board Certified in Internal Medicine
Dr. Jesion graduated from Carnegie Mellon University with Metallurgical Engineering in 1987. He worked in the aerospace industry for ten years before changing careers. He completed medical school at Western University of Health Sciences in 2000, and completed internship and residency in Internal Medicine in 2003. He works as hospitalist in Orangeburg and has been with Total Wellness since 2010. 


Leslie Tannery Sewell, MSN, APRN, CEN, NP-C

Leslie graduated with a post-master certificate as a Family Nurse Practitioner from Kaplan University in 2015. She’s been working in the Summerville area under private practice since graduation seeing a variety of patients across the lifespan. Leslie has obtained as Associate Degree in Nursing in 2008, Bachelor of Science degree in Nursing in 2010, and Master of Science of Nursing Education in 2014. 

Previously, she was an emergency department nurse, served as a nursing supervisor over a 286- bed hospital, and an adjunct instructor for an associate degree program at Orangeburg Technical College. Leslie is a Certified Emergency Nurse, holds a certificate in complementary and integrative health, as well as a certification in clinical aromatherapy. 

In Leslie’s free time, she enjoys an active lifestyle outside and spending time with her family.