One of the first things he did when he returned was to set up scholarships for students in the fields of medicine, nursing, and public health. He was planning to return to Siriraj Hospital for an internship. However, his princely status then became a problem as it was felt that he was too prestigious to be allowed an internship. Undeterred, Mahidol chose another hospital in a more egalitarian environment – the missionary-run McCormick Hospital in Chiang Mai. He worked there, day and night, as a resident doctor. His patients fondly called him "Mho Chao Fa" ('Doctor Prince').