Johnny has been a GP in Buckinghamshire since 1992. Having previously served as Treasurer to National Association of Primary Care, Johnny was appointed as Chairman in September 2008.

His practice was a first wave PMS pilot and works in ever closer collaboration with two other practices as part of the Westongrove PMS Partnership.

Johnny has undertaken various roles within NHS Buckinghamshire and is currently chair of United Commissioning, one of the Buckinghamshire pathfinder clinical commissioning groups.

Johnny presented at the Nuffield Trust Annual Health Strategy Summit 2011.