Meet Our Providers


Mark Grimsley

Integrative Medicine Specialist

Mark Grimsley, MD, of Vitality Ageless Center in Duluth, GA, is a native of Tennessee but has practiced in the Atlanta area for over 20 years. Dr. Grimsley’s true passion is integrative medicine with over 1000 CME hours of training in integrative medicine specialties. He began working as a clinical practitioner with lasers in 2006 and is now a trainer to other practices wanting to utilize lasers.

Dr. Grimsley attended medical school at the University of Alabama School of Medicine. He returned to his native state of Tennessee to complete both his residency and internship in family medicine at the University of Tennessee College of Medicine at Chattanooga. He is board certified by the American Academy of Family Practice and is licensed to practice medicine in Georgia.

Dr. Grimsley’s practices laser medicine, regenerative medicine, men’s health, natural hormone balancing, stem cell therapy, PRP therapy, aesthetics and body sculpting procedures. He is always focused on keeping up to date on the latest technology and techniques in the field of healing the body through its own innate mechanisms. He is dedicated to helping each of his patients look and feel their best, raising their self-esteem and self-confidence and living a healthier, happier life.

photo of wendy

Registered Nurse

Wendy Earnest, RN, BSN, MS of Vitality Ageless Center, was born in High Point, North Carolina but moved to Gainesville, GA at the age of two (where her forefathers lived beginning in the early 1800’s). She has had over 22 years of experience in nursing and began her practice in aesthetics in March of 2018.

Through her career years she has enjoyed a variety of nursing practices including but not limited to obstetrics, emergency department, owning her own business selling defibrillators, and working as a case manager for an insurance company. Overall her passion has been in the educational setting. Since obtaining her master’s degree in 2013, she has spent time working and training others in the educational field and enjoys ongoing learning.

Wendy has two boys ages 18 and 20, who were both born in Kissimmee, FL where she practiced for three years after marrying her husband of now 21 years. Wendy’s hobbies include gardening, spending time outdoors, antiquing, and experimenting with new cuisines. She still lives five miles from the farm she grew up on and frequently enjoys sitting on a front porch swing while watching the cows and a beautiful sunset.


Inspired Medicine

  • Cutting Edge Therapy
  • Regenerative Medicine
  • Commitment to Health
  • Tailored Treatments for Each Patient