Dr Feinberg is specialist in dental and maxillofacial radiology and works as a lead Consultant dental and maxillofacial Radiologist at Kings College Hospital, London and at the Eastman Dental Hospital, University College London Hospitals. He is currently the honorary secretary of the British Society of Dental and Maxillofacial Radiology. Dr Feinberg provides expert examination and analysis of dental imaging (x-ray and CT scans).

Dr Feinberg also provides specialist salivary gland imaging, diagnostic ultrasound and ultrasound-guided biopsies of the head and neck region.

He is passionate about education and holds a formal qualification in learning and teaching in higher education. He lectures regularly to postgraduate dental professionals. He is an honorary senior clinical lecturer at King’s College London where he is actively involved in undergraduate teaching in dental radiology