Dr Prajapati trained in general and elderly medicine, as well as diabetes and endocrinology. In addition, he practices as a clinical diabetologist. He holds dual accreditation in both general and elderly medicine. He has been working at East Surrey Hospital since 1997 as a Consultant Physician in medicine for the elderly. Dr Prajapati has been in private practice since August 1999 offering services for both general and elderly medicine, as well as the management of diabetes and endocrine disorders especially for older people.