More Than Medicine - Complete Care for Mind & Body!
Dr. Robert G. Szewc (pronounced “Chefs”) is a board-certified nephrologist and interventional nephrologist with over 25 years of experience serving the San Antonio community. His mission is to preserve, maintain, and when possible, reverse kidney failure through advanced treatment, preventative care, and patient education.
He is passionate about helping patients navigate the difficult journey of kidney disease and transplant, combining a holistic and conventional approach to deliver individualized care that improves both health and quality of life.
Dr. Szewc continues to dedicate his work to patient care, community education, and mentoring the next generation of physicians.
Mariana Vela is a dedicated exercise physiologist specializing in targeted fitness programs designed to improve quality of life and support patients managing chronic health conditions. She earned her Bachelor’s degree in Exercise and Sports Science with a focus on Health and Wellness Promotion for Clinical Populations from Texas State University in 2019, followed by hands-on training at Methodist Hospital’s Cardiopulmonary Rehabilitation Center.
Her experience spans cardiac and pulmonary rehabilitation as well as physical therapy, but her true passion lies in exercise physiology, where she empowers patients through education, personalized exercise plans, and long-term lifestyle changes. In 2023, Mariana partnered with Dr. Robert Szewc to launch San Antonio’s first Renal Rehabilitation program, which has already helped patients improve strength, health, and overall well-being.
Mariana also leads MEFIT: Your Comprehensive Health Optimization Program, combining custom workouts, nutrition planning, and wellness strategies to help patients achieve sustainable, long-term results.
Her mission is simple: to help patients regain strength, restore vitality, and live healthier, more active lives.
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer ultricies condimentum leo, id feugiat tellus tincidunt eu. Phasellus convallis erat eu odio imperdiet tempus. In finibus faucibus ipsum eget ornare. Pellentesque auctor ut felis congue ornare. Cras laoreet rutrum purus, nec mollis leo auctor vel. Nulla id erat quis velit bibendum ultricies id at ipsum. In eu ex mauris.
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer ultricies condimentum leo, id feugiat tellus tincidunt eu.
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer ultricies condimentum leo, id feugiat tellus tincidunt eu.
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer ultricies condimentum leo, id feugiat tellus tincidunt eu.
