Lucknow-based Dr. Rajiv Ranjan Singh is a well-known doctor specialising in Gastroenterology. He has more than 11 years of experience. He practices medicine at Apollo Medics Super Speciality Hospital, Lucknow. He has worked with Medanta - The Medicity, Gurgaon in the past. Beyond his affiliation with many hospitals, he has been professionally active in many other ways. He graduated with a MD from . He also has a DM from Institute of Medical Education & Research, Chandigarh, India and MBBS from Rajendra Institute of Medical Sciences, Ranchi, India.