Dr. Jain is a board certified gastroenterologist who has been in private practice in Dallas, Texas, since 1999. He is a partner at Texas Digestive Disease Consultants and serves as Chief of Gastroenterology at Texas Health Presbyterian Hospital in Dallas. He also is a Clinical Associate Professor of Medicine at The University of Texas Southwestern Medical School.

Dr. Jain is a member of the American Board of Internal Medicine Board of Directors. He has served on the American Gastroenterological Association (AGA) Governing Board as a Clinical Councilor and prior to that was Chair of the AGA Practice Management and Economics Committee. He has participated in clinical guideline development at both the AGA and American Society of Gastrointestinal Endoscopy (ASGE) where he served on the Standards of Practice Committee from 2008 to 2010. Additionally, Dr. Jain was a member of the task force that created the AGA colonoscopy bundle framework and was co-Director of the GI Outlook 2013 Practice Management Course co-sponsored by the AGA and ASGE. Dr. Jain is a Fellow of the American College of Physicians, AGA and ASGE.

Dr. Jain received his bachelor's degree in chemical engineering from The University of Texas at Austin and his medical degree from Baylor College of Medicine. He completed his residency training in internal medicine and fellowship in gastroenterology at The University of Texas Southwestern Medical School in Dallas, Texas.