Doc Marshall practiced medicine in Great Bend for more than 25 years and served in the Army Reserves for seven years. As an OB/GYN, he delivered more than 5,000 babies, giving him a deep appreciation and passion for the sanctity of life and an intimate understanding of the healthcare system. During his time in medicine, Doc Marshall was more than a physician. For 25 years, he was a business owner who signed a paycheck every other week for a practice that grew from 5 people to eventually more than 300.