 On 22 July 1597 he was appointed "Master Medicinar" to Anne of Denmark, with a salary of £400 (Scots), for a role he had performed for the previous three years, having been "ready day and night to attend upon that his office and service".On 10 February 1594 he was appointed to attend Anne of Denmark at Stirling Castle, who gave birth to Prince Henry, with the physician Gilbert Moncreiff, the surgeon Gilbert Primrose, and the apothecary Alexander Barclay.In September 1595 he attended John Maitland of Thirlestane, who had a "tertian fever".