I just came across this article. At the end it lists a podiatrist office in Sav. You may be able to make an appointment for when you are in Negril.

http://www.jamaicaobserver.com/your-...9?profile=1373

" Angela Davis BSc (Hons) DPodM MChS is a podiatrist with offices in Montego Bay (293- 7119), Mandeville (962-2100), Ocho Rios (974-6339), Kingston (978-8392), and Savanna-la-Mar (955-3154). She is a member of the Health and Care Professions Council in the United Kingdom. "