About Us


Dr Robert Yerrington, Well-Power Health Center

Dr. Robert F. Yerrington is a Diplomate of the American Board of Family Practice and is also certified in the newly developing field of Aesthetic Medicine. He was raised here in San Antonio, Texas and graduated from Churchill High School in 1969. He attended Graceland College in Lamoni, Iowa where he received his Bachelor’s Degree in Biology, with Honors. He then attended The University of Texas, Southwestern Medical School in Dallas where in 1978 he received his Medical Degree. Dr. Yerrington then completed his Internship and Residency training at The University of Kansas Medical Center in Kansas City. It was there in the last year of his training while serving as Chief Resident that he met his wife now of 25 years, Shannon K. Manuel. Their children are Jason, Amy, and Brooke.

The Yerringtons attend Eagles Nest Christian Fellowship where they have served in a variety of ministries under the leadership of senior ministers Rick and Cindy Godwin. Dr. and Mrs. Yerrington believe in wellness for the whole person, meaning body soul and spirit. It is this wholistic approach which has influenced them in expanding their services to include exercise facilities, Gym memberships, Physical Therapy, Personal Training, Bone Density testing, and most recently Aesthetic services for anti-aging therapies.


Our staff is highly qualified and experienced in various manual therapeutic techniques, including massage therapy.


All of our personal trainers have completed a Personal Training Certification Course. They are highly trained and knowledgeable about fitness, nutrition, and weight loss.

Shannon Yerrington
Shannon has over 30 years experience in coaching, aerobics, and personal training. She has special certifications in sports nutrition counseling, balance training, and training for special populations. Certifications include ISSA and NESTA.

Melissa Aguilar
With a lifelong interest in fitness, Melissa offers clients extensive experience to help them reach their fitness goals through properly designed workout routines and personalized nutrition programs.

State level, competitive bodybuilders have sought Melissa’s advice and support to prepare for championship events and she has worked for some of the most recognized gym chains in the industry. She is currently a dedicated student of fitness that aspires to be a fitness competitor after completing her Master’s Degree in Physical Therapy. Certifications include National Academy of Sports Medicine, Certified Personal Trainer, Apex – Nutrition Level 1 Certified, and Perform Better – Functional Training Certified.

Jason Yerrington
Jason is a NESTA certified personal trainer and has an Associate degree in kinesiology. He specializes in sports specific training and is a former Collegiate scholarship in basketball, Angelina College and University of Incarnate Word.


Our friendly and knowledgeable staff is here to take care of your medical needs. They work together as a team, so you can relay your questions and concerns to anyone on our staff.