<Tr> <Th> Audio format </Th> <Td> Monaural </Td> </Tr> <Tr> <Th> Original release </Th> <Td> September 23, 1969 (1969 - 09 - 23)--July 29, 1976 (1976 - 07 - 29) </Td> </Tr> <P> Marcus Welby, M.D. is an American medical drama television program that aired Tuesdays at 10: 00--11: 00 p.m. (EST) on ABC from September 23, 1969, to July 29, 1976 . It starred Robert Young as the title character, a family practitioner with a kind bedside manner, who was on a first name basis with many of his patients (and who also made house - calls), James Brolin, as Steve Kiley, M.D, a younger doctor who played Welby's partner, and Elena Verdugo, who played Welby and Kiley's dedicated and loving nurse and office manager, Consuelo Lopez . Marcus Welby, M.D., was produced by David Victor and David J. O'Connell . The pilot, A Matter of Humanities, had aired as an ABC Movie of the Week on March 26, 1969 . </P> <P> As with most medical dramas of the day, the plots often concerned a professional conflict between well - meaning physicians . Here, Welby's unorthodox way of treating patients was pitted against the more strait - laced methods of Steven Kiley (James Brolin). The catch with this particular program was that the roles were reversed in that Kiley was much younger than Welby . The opening credits of each episode reminded viewers of the generation gap between the two doctors, Welby driving his sedan and Kiley riding a motorcycle . Welby had served in the US Navy as a doctor during the war, and was a widower . He owned a sail boat and enjoyed the ocean . In an early example of product placement on television, Welby consumed many bottles of high - gravity malt liquor below deck and would, at times, gather inspiration for his novel treatments after one of these nautical benders . </P>

Who played the nurse on marcus welby md