At BioRenew, you’re more than a number or a chart. 

Stevie Smoot - FNP-C, ABAAHP

Stevie Smoot, FNP-C, APRN, MSN, ABAAHP is a Board-Certified Family Nurse Practitioner and specializes in Functional & Integrative Medicine. She completed a fellowship through The American Academy of Anti-Aging Medicine and The Metabolic Medicine Institute and is a certified American Board of Anti-Aging Health Practitioner. She also holds a certification in IV Nutrient & Chelation Therapies. Stevie received her Masters degree from Tennessee State University and her undergraduate degree from Sewanee, University of the South. 



She started her NP career in Family Medicine and was frustrated with the traditional/ conventional medicine model and not seeing patient’s health improve. She began attending functional, integrative and regenerative medicine conferences and knew that there was a better way to address the needs of her patients. Four years ago, Stevie and her mom decided to open a medical practice in Murfreesboro that focused on hormone replacement therapy and IV nutrient therapy. Since then, BioRenew has evolved into one of the fastest growing Functional & Integrative Medicine Clinics in the area with many services to meet the health needs of this community. 

Mary Lynne Walker - FNP-BC

Mary Lynne Walker is a board-certified family nurse practitioner and has been practicing family medicine for over 20 years. She opened her first family practice, Bell Buckle Family Medical Clinic over 11 years ago. One decade ago after experiencing her own hormone health issues, Mary Lynne became educated in bio identical hormone replacement therapy and began offering these services to her patients. She has witnessed hundreds of patient’s lives change after beginning BHRT. She is a member of the American Academy of Anti-Aging Medicine and has attended several of their conferences over the years. She has been a preceptor for Vanderbilt School of Nursing for many years and has taught many Nurse Practitioner students. In her free time Mary Lynne is working on her farm with her husband Brian and taking care of horses and cattle. She is an avid equestrian and animal lover. She also adores spending time with her children and grandchildren. 

Kelsey Choate, FNP-C

Kelsey Choate completed her Bachelor’s of Science in Nursing at Belmont University and her Holistic Nurse Practitioner and Family Nurse practitioner at Tennessee State University. She is also a graduate of Vanderbilt’s Health coaching program and is both a Board Certified Family Nurse Practitioner and a Board Certified Health and Wellness Coach. She has a background in general medicine, intensive care, psychiatric nursing, and addiction medicine. Kelsey is currently completing a certificate program with the Institute of Functional Medicine. She is passionate about helping those who want to discover the root cause of potential health problems, as well as finding holistic and alternative solutions. In her free time, Kelsey enjoys creative writing, going to conferences, trying new food, and spending time with close friends and family. 

Randi Meyer, FNP-C

Randi Meyer has worked as a registered nurse for the past 14 years before going back to school to earn her Family Nurse Practitioner degree. As a registered nurse she worked in the fields of labor and delivery, antepartum, general medicine, and multiple areas of surgery. She also holds a bachelor’s degree in speech pathology and worked as a speech therapist, helping individuals with special needs.

While working as a family nurse practitioner, her passion has grown in the field of integrative medicine. She has focused on providing pain relief to those with joint and muscle pain, by finding new ways and methods to deliver care in a more natural and less invasive approach. Her plan is to continue her education in the field of functional medicine so she can help patients achieve an overall happier and healthier life.

In her free time, Randi loves to spend time with her husband, six-year-old son, family, and friends, and her fur babies! She also loves outdoor hikes, cold weather, and all things involving food!

Dr. Kalb-Medical Director

Dr. Kalb, received his medical degree from SUNY at Stony Brook in New York, did his Residency in Family Medicine at the University of Pittsburgh Medical Center Shadyside Hospital, and received his Masters of Public Health from the University of Texas, Houston. Dr. Kalb is a Fellow in the Medical Academy of Pediatric Special Needs (MAPS), and he is one of the physicians listed by the PANS/PANDAS Network. In addition, Dr. Kalb is a member of the International Lyme and Associated Disease Society (ILADS) and completed their Fellowship. After a 10-year career teaching and doing research in Family Medicine, including as
Director of a Family Medicine Residency in Houston, Dr. Kalb moved to Nashville and decided to focus on an Integrative practice which he opened in Cool Springs in 2006. The clinical areas of focus for the practice include PANS/PANDAS, CIRS, Autism, Lyme Complex Disease, Environmental toxicity, gut health issues and Autoimmune Disease in children and adults.

He is now serving as the new medical director at BioRenew! 

Amber Florence, RN

Amber graduated from nursing school in 2008. She spent 7 years as a labor and delivery nurse and then almost 7 years as a fertility nurse. She is a busy mom of three and enjoys outdoor activities, women’s basketball, old school R&B but, most of all, being a mom. She has completed her IV Nutrient and Chelation Therapy Certification course through The American Academy of Anti-Aging Medicine.

Robin Sanborn, MA

Robin is a Medical Assistant with 30 years of experience in OB/GYN, High Risk OB and Fertility. She is a busy mom of five children and three labs. She enjoys spending time with her family on the lake, traveling and crafting.

Logan Johnson, MA

Prior to Bio Renew, Logan was a fertility Medical Assistant for 6 yrs. She spends her time as a busy mom of a two year old. She is from a small town and enjoys spending time with her family and friends. 

Lyndsey James, RN, BSN

Lyndsey graduated with her BSN from Cumberland University nursing school in 2012. In addition to Bio Renew, she works at an infusion clinic and has 10 years of experience in the emergency department. She and her husband are busy parents of two children and two beagles. She enjoys traveling, outdoors and baseball.