Appointed Surgeon Captain New Zealand Militia until transferring to the NZ Medical Corps on its formation in 20 September 1910. In 1906 was living in Waikar, Canterbury, New Zealand. On 30 October 1915 was promoted to Major in the New Zealand Medical Corps in Rarotonga. Appointed as a member of a special medical board on his return to New Zealand. Posted as the Assistant Director of Medical Services at Christchurch from 7 April 1919 to 8 September 1919. Posted to the Retired List 8 September 1919. His obituary in the Evening Post dated 26 May 1930 stated "The death occurred in Auckland last week after an operation of Dr George Pearce Baldwin, who during the war was assistant Director of Medical Services in Christchurch. He was a cousin of Stanley Baldwin and Sir Rudyard Kipling and a nephew of the late Sir Burne-Jones and Sir Edward Pointer."