About Us

Meet Our
Medical Providers

Dr. Richard Mays

Dr. Richard Mays

Medical Director

Dr. Richard Mays MD is a family physician who has been in private practice in Knoxville, TN since 1978. He is board certified in two different medical specialties, the American Board of Family Medicine (ABFM) and the American Board of Obesity Medicine (ABOM). He is board eligible for the American Board of Integrative Medicine. He is a member if the American Academy of Family Physicians (AAFP), the Tennessee Medical Association (TMA) and the American Society of Bariatric Physicians (ASBP) as well as several other professional societies such as Who’s Who Among American Professionals.

Dr. Mays did his undergraduate training at University of the Cumberlands in Williamsburg, Ky from 1976-1980, where he double majored in Mathematics and Chemistry. While there he achieved the status of High Honor every year and was a member of the J.T. Vallandingham Society (the highest honor bestowed upon a student at the University of the Cumberlands). Dr. Mays then attended medical school at the University of Kentucky-Lexington where he graduated in the top 25% of the class in 1984. Dr. Mays completed his residency training program in Family Medicine at the University of Tennessee-Knoxville from 1984-1987.

In 2008, Dr. Mays authored “The Bible Diet” a book which discussed Biblical principles on healthy eating and disease prevention. Dr. Mays has traveled for speaking engagements on diet, nutrition, and healthy living all over the South-Eastern United States. Dr. Mays has special interest in nutrition, obesity, disease prevention as well as chronic conditions such as fibromyalgia, adrenal fatigue, diabetes, and other fatigue syndromes.

On a personal note: Dr. Mays has a strong faith in God and has taught at multiple churches the Biblical healing principles and spiritual laws. Dr. Mays is married to his wife of 38 years and has 3 beautiful adult daughters, 3 great sons-in-law, and three grandchildren. Dr. Mays enjoys organic gardening, hiking, photography, basketball, and antique collecting.

Gayanne Ballinger, FNP-BC

Gayanne Ballinger, FNP-BC

Nurse Practitioner

Gayanne graduated from the University of Tennessee Knoxville in 1993 and began working at Erlanger Hospital. She completed her master’s degree in Nursing at the University of Tennessee Chattanooga in 1997 and after a year post graduate work she became a certified Family Nurse Practitioner in January of 1998. Since then she has practiced in Endocrinology Family Practice, Occupational Health, and Acute Care. She joined Optimal Health in June of 2013. She is a proud mother of a 19-year-old son Jackson who recently ensued in the Marine Corps.  She enjoys watching basketball and football and is a firm believer in rescuing dogs.

Dr. Charlotte MacDonald, DNP, FNP-BC

Dr. Charlotte MacDonald, DNP, FNP-BC

Team Leader Nurse Practitioner

Dr. MacDonald pursued her Doctorate in Nursing Practice (DNP) degree with a focus on synthesizing evidence to improve clinical practice which she completed in August 2016. She is a board-certified Family Nurse Practitioner. She graduated with the Master of Science in Nursing (MSN) degree with a Family Nurse Practitioner concentration in 2011.

She practiced as a Registered Nurse in Critical Care prior to graduating as a Family Nurse Practitioner. Dr. MacDonald has been with Optimal Health for several years. It is her passion to help her patients improve their lives. She loves to travel with her husband, Scotty, and spend time with her family and friends.

John Wier, FNP-BC

John Wier, FNP-BC

Nurse Practitioner

John Wier NP-C joined Brown Chiropractic and Optimal Health in 2015 after graduating Lincoln Memorial Family Nurse Practitioner program. Before becoming part of the team he practiced as Emergency Medicine Registered Nurse at Methodist Medical Center in Oak Ridge, Tennessee for nearly a decade.

John has been married to his wonderful wife Katina for 19 years. He has no children but cherishes time spent with his wonderful nieces Adriana and Kasi. His hobbies include boating, shooting, and vacationing at the beach with family.

Natalie Signaigo, MSN, FMP-BC

Natalie Signaigo, MSN, FMP-BC

Nurse Practitioner

Natalie graduated from the University of South Carolina’s Family Nurse Practitioner program with her Master of Science in Nursing in 2017. Prior to that, she completed her undergraduate degree at the University of South Carolina in 2011. She has since had valuable career experience as a nurse in medical, cardiovascular, and neuro intensive care units across the country.

Natalie has a special interest in supporting the body’s natural processes to heal itself, as well as promoting prevention of chronic illness through healthy nutrition and lifestyle. She believes that when a person’s health is optimized, they can experience the life they truly desire and share their unique gifts with others. She loves animals, spending time outdoors, weightlifting, and baseball.

Lindsay Dyer, FNP-BC

Lindsay Dyer, FNP-BC

Nurse Practitioner

Lindsay graduated from Tennessee Wesleyan College, in Knoxville with her BSN in 2009. She worked as a Registered Nurse for nine years specializing in Oncology and Stem Cell Transplant. Lindsay earned her MSN from Frontier Nursing University in Kentucky and has worked at the Northside office since 2018. She lives on the lake with her husband and Belgian Malinois, Tango. Lindsay enjoys spending summers on the lake with her friends and family and anything outdoors.

Misty Murphy, FNP-BC

Misty Murphy, FNP-BC

Nurse Practitioner

Misty graduated from Southern Adventist University in 2015 as board-certified Family Nurse Practitioner with high honors. Misty joined the practice in 2016. Prior to joining, she practiced in pediatric gastroenterology as an FNP-C and served as the lead Clinical Research Coordinator. She has eight years’ experience in Emergency Medicine as a Registered Nurse.

Her mission is to become a partner in your health care and provide a personalized approach to your specific needs. She has a special interest in implementing modern medicine along with functional medicine treatments that greatly improve the quality of life of patients and to promote health and healing.

On a personal level, she enjoys spending time with family and friends, playing sports and attending church.

Dr. Daniel Wilder, DPT

Dr. Daniel Wilder, DPT

Doctor of Physical Therapy

Dr. Daniel Wilder received his B.S. degree in Rehabilitative Science from the University of Tennessee at Chattanooga in 2003. After receiving his degree there, he then went into the Graduate Physical Therapy program at UTC, where he then earned his Doctor of Physical Therapy Degree in 2005. During his time as a Physical Therapy Clinician, he served as Director of Rehab Services for an over 200+ bed skilled nursing facility and gained experience working in outpatient orthopedic clinics.

Dr. Wilder has treated a variety of Orthopedic and Neurological conditions ranging from acute/chronic Spinal conditions, Stroke Rehabilitation, Vertigo/Vestibular dysfunctions, post-surgical rehab of multiple extremities (hips, knees, shoulders, and ankles), post CVA Rehabilitation, and general debility/balance disturbances, all with positive functional outcomes. He has attended numerous post graduate courses focusing on Stroke Rehabilitation and improving manual therapy skills so that he can maximize patient’s functional outcomes.

In addition, outside of the clinic, Dr. Wilder enjoys going to UT football and basketball games, spending time outdoors, traveling, going to concerts and spending time with his wife Lauren and two daughters Kalie and Emma.

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