Tommy Butler -Administrator
Sharla Smith, RN-Clinic Manager
Donald Huffnam, MD-Supervising Physician
Kelly Foley, PA
Kelly Foley, PA-Lead Provider
Tiffany Hampton-Team Lead/Lead Nurse

Onsite Employee Health and wellness


Full Time Providers

Kelly Foley, PA

Kelly Foley, PA - Lead Physician Assistant

Kelly was a Nurse for 12 years prior to attending a Physician Assistant program in Grand Forks, North Dakota in 1997. Since that time, he drifted toward warmer climates and arrived here in Clarksville late 2012. He is happily married to his wife and they share four children and six grandchildren. In his spare time away from the clinic, he enjoys working on projects at home and studying theology.

Jason Engholm MSN, RN, APRN, CEN, FNP-BC.

Jason obtained his M.S.N from Tennessee State University with a concentration in Family Practice, and certification through the American Nurses Credentialing Center. He has worked in multiple settings throughout his career in healthcare such as Primary Care, Intensive Care Units, Emergency Departments, Clinical/Trauma Education and Post Op Cardiovascular surgical recovery. Additionally, he has 9 years of Military experience serving in a variety of settings. The personal qualities obtained in the military, education and other job challenges have given him the skill-set, desire, initiative and adaptability to provide high-quality care within a multitude of atmospheres.

Kayla Shelton, FNP-BC

Kayla Shelton is a Board-certified Family Nurse Practitioner. In 2010, she completed her Bachelor of Science degree in Nursing at Austin Peay State University. She worked in Labor and Delivery, Postpartum, and Newborn Nursery with NorthCrest Medical Center for 4 1/2 years. In 2014, she completed her Master of Science degree in Nursing at Austin Peay State University. Kayla has been practicing as a Family Nurse Practitioner since 2015. Prior to joining Onsite, she worked with Premier Medical Group in their Family Walk-in Clinic. Kayla joined Onsite in March of 2018 and enjoys working with all of the staff members and patients. In her spare time, she loves spending time with her husband, niece/nephews, traveling, watching Disney Plus, makeup tutorials, and reading. Kayla and her husband are Disney fanatics! A fun fact about Kayla is in 2009 she was on The Price is Right and she actually won the showcase showdown!

Leah Clem, PA

Leah graduated from SIUC and has been a Physician Assistant for eleven years. She recently moved to the Clarksville, TN area with her husband and three children. In her time away from the clinic, she enjoys hiking, camping and traveling.

Jessica Coleman, FNP

Jessica is a native of Clarksville, TN and has been a Family Nurse Practitioner for many years. She joined the Onsite team in early 2019. Prior to Onsite, Jessica worked at a local Family Practice office in the Clarksville area.