S.D. Codified Laws § 36-4-11
Any person desiring to engage in the practice of medicine or osteopathy, surgery, or obstetrics in any of their branches in this state shall apply to the Board of Medical and Osteopathic Examiners for a license. The application shall contain such information as the board may require by rules adopted pursuant to chapter 1-26. The Board of Examiners shall grant a license to any applicant who gives satisfactory proof of being at least eighteen years of age and who is of good moral character if the applicant passes an examination, determined by the board by rule adopted pursuant to chapter 1-26, to establish medical competence and presents evidence of having graduated and received a diploma from a medical or osteopathic college approved by the board in accordance with rules adopted pursuant to chapter 1-26. If the diploma is from a medical or osteopathic college outside the United States, the Board of Examiners may require further proof of competence by rules adopted pursuant to chapter 1-26. The applicant shall also present evidence satisfactory to the board of successful completion of a program as an intern or resident, or of equivalent service approved by the board, in a hospital approved by the board, for such time as the board requires by rule adopted pursuant to chapter 1-26.
SDCL 36-4-11