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The Livingston Clinic, Physicians & Surgeons - Family Practice, Livingston, TN

Meet the Doctors

Dr. Michael Cox

Dr. Michael Cox

Dr. Cox was born in 1955 in Cincinnati, Ohio. He was raised in Somerset, Kentucky from the age of 12. He graduated the University of Kentucky with a degree in microbiology in 1977, then attended medical residency at the University of South Florida in Tampa, Fl. It was in Tampa that he met and married his wife, Beth, in 1982. Dr. Cox is board certified in Internal Medicine and is also certified to perform DOT physicals. He began practice in Livingston, Tn in July ,1984 and has remained there since that date. He and Beth have been blessed with two boys, David and Daniel.


Dr. Mark Langenberg

Dr. Mark Langenberg

Dr. Langenberg recieved his bachelor's degree from the University of Tennessee in Biomedical Engineering. He completed both medical school and residency at the University of Tennessee in Memphis. He graduated from medical school with highest honors and was selected to the Alpha Omega medical honor society. After residency he was selected to serve as Internal Medicine chief resident. He is board certified in Internal Medicine and Pediatrics. Dr. Mark is a member of the First Baptist Church in Livingston, where he serves as a deacon and Sunday school teacher. His greatest honor is being married to his wife Katherine, and has been blessed with five beautiful daughters.


Tina Johns, MSN, NP-BC, APRN

Tina Johns, MSN, NP-BC, APRN

Tina Johns, a Cookeville resident since 1974, began her nursing career more than 15 years ago as a staff nurse for Lazarus House Hospice. Combined with her experience as Patient Care Coordinator for Caris Healthcare she has five years' experience in managing the care of the terminally ill. Working as staff nurse for both Livingston Regional Hospital and Cookeville Regional Medical Center she has 9 years experience in the care of both acutely and chronically ill patients. As a Nurse Practitioner Ms. Johns has recently transitioned from a chronic pain management of adults at the Cookeville Pain and Wellness Clinic to family practice, caring for patients of all ages, at The Livingston Clinic. She holds a bachelor's degree in nursing from TTU and a master's degee in nursing from the University of Alabama, Birmingham.


Kelli W. Carr, FNP

Kelli W. Carr, FNP

Kelli was born in Cookeville, TN. She was raised in Celina and lived there until she married her husband Michael. She has been a resident of Livingston for 10+ years. She completed her undergraduate work at Tennessee Technological University earning a Bachelors of Science degree in Nursing where she graduated Cum Laude. Kelli worked as a Registered Nurse for 6 years in various areas, including: labor and delivery, medical/surgical, intensive care, and pediatrics. In her last few years working as an RN she returned to Tennessee Technological University to obtain her Masters of Science in Nursing (MSN). She completed her MSN program in 2013. She is board certified by the American Association of Nurse Practitioners (AANP).
Kelli initially joined the The Livingston Clinic as a nurse in 2009 and worked in that role for almost 5 years. She recently rejoined our clinic as one of our Family Nurse Practitioner's. She has experience with acute illness and maintenance healthcare in adults and pediatrics. She provides care for all ages of patients.
Kelli and Michael have 3 children. In her time away from the clinic she enjoy's spending time on the lake, Tennessee Football, scrapbooking, reading, church activities, and watching her children in the numerous activities they participate in.


Kayla Anderson, FNP

Kayla Anderson, FNP

Kayla was born in Cookeville, TN. She was raised in Baxter where she lived until she married her husband Jeremy. Kayla is now a resident of White County where she has lived for 2 years. In 2011, Kayla obtained her Bachelor's of Science in Nursing at Tennessee Technological University. Kayla worked as a Registered Nurse for 4 years. During her nursing career, she worked at Cookeville Regional Medical Center on 4 east (neuro stepdown) and Same Day Surgery. Kayla completed her Master's of Science in Nursing in May 2015 at Tennessee Technological University. She is board certified by the American Association of Nurse Practitioners.
Kayla completed clinical hours with Dr. Cox during her Fall 2014 semester. She has recently rejoined the clinic as a Family Nurse Practitioner. Kayla provides care for patients of all age and is certified in performing DOT physicals.
During Kayla's free time, she enjoys spending time with her husband and family, participating in church activities, and refurbishing furniture.