Third doctor to appear in the series Originally practiced at Rockfish Hospital s1/e11 Doctor that performed surgery on Jim Bob for acute appendicitis s1/e11 Treats Olivia who has polio s1/e24 Treats Maggie MacKenzie for a weak heart s2/e1 Treats Ben who has the fever that is going around s2/e2 Jelly Judge at Jefferson County Fair s2/e7 The Vance's take in Mary Ellen while the Walton's house is being rebuilt after the fire s4/e18 Vance prepares to leave Walton's Mountain for a job offer in Charlottesville because he can't afford to stay in the poor area s5/e2 He helps to operate on Grandma who has a burst appendix s5/e2