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Robert S. Flynn, MD, is a board-certified Gastroenterologist at Richmond Gastroenterology Associates. Dr. Flynn sees patients at the Westchester office in Midlothian, Virginia.

Dr. Flynn earned his medical degree from Upstate Medical University in Syracuse, New York. He then moved to Richmond and completed his internship and residency in internal medicine, and fellowship in gastroenterology at the Medical College of Virginia at Virginia Commonwealth University (VCU). While at VCU, he was active in research and received the American Gastroenterology Resident Research Award in 2006.

Dr. Flynn treats all gastrointestinal and liver diseases and has a special interest in inflammatory bowel disease and colon cancer screening and prevention. 

Dr. Flynn is highly proficient in performing endoscopic procedures, including upper endoscopy, colonoscopy and polyp removal. Additionally, he performs radiofrequency ablation of Barrett’s esophagus.

Patients appreciate his bedside manner and thorough approach. The readers of OurHealth magazine have recognized him as a “Best Bedside Manner” winner for 2015, 2016, 2017, and 2018.

“Growing up, my parents taught me the importance and value of hard work. I believe these core values allow me to connect easily with my patients. I believe in a team-based approach with the patient and working together to defeat the problem.”

“Every patient has a story to tell, and it is my job to listen. You will never feel rushed. I make every effort to personally call patients with test, pathology, and lab results.”

He is the first author of several publications related to Crohn’s disease and co-author of a book chapter in the Handbook of Inflammatory Bowel Disease. 

He has given numerous presentations at both the regional and national levels. Dr. Flynn remains active in the community as a speaker on topics that have included gastroesophageal reflux disease (GERD), screening colonoscopy, and inflammatory bowel disease.

He is a member of the American Gastroenterological Association (AGA), the American College of Gastroenterology (ACG), the Richmond Academy of Medicine (RAM) and the Medical Society of Virginia (MSV). He serves on the Board of the Richmond Chapter of the Crohn’s and Colitis Foundation.

Dr. Flynn is married and has two daughters. He enjoys spending time with his family, swimming, music, and rooting for the Seattle Seahawks and Mariners.

Michael S. Manetas, MD, is a board-certified Gastroenterologist at Richmond Gastroenterology Associates. Dr. Manetas sees patients primarily at the Hanover office in Mechanicsville, Virginia, but also takes appointments at the West Creek office in Henrico.

Dr. Manetas received his undergraduate degree from the College of William and Mary (WM) in Williamsburg. He completed his Master of Science in Anatomy at the Medical College of Virginia (MCV) at Virginia Commonwealth University, and during this time, he made the important decision to become a physician. He stayed at MCV / VCU to earn his medical degree, and complete his internship and residency in internal medicine.

He was then selected for a competitive Gastroenterology and Hepatology Fellowship at the University of Miami's Jackson Memorial Hospital in Miami, Florida. He received state-of-the-art training in treating patients with digestive and liver diseases, and performing endoscopic procedures.

Dr. Manetas joined Richmond Gastroenterology Associates in 2005. He cares for patients suffering from general gastroenterology disorders. He has vast experience and a special interest in treating patients with Crohn’s disease, ulcerative colitis, GERD, swallowing disorders, IBS or bowel irregularities, and pancreatic & gallbladder disorders. 

He is also skilled in performing endoscopic GI procedures, including colonoscopy and colon polyp removal, upper endoscopy (EGD), and ERCP.

“I chose a specialty in gastroenterology because it offers me a unique opportunity to diagnose and treat a wide spectrum of conditions. I am reminded daily of the variety of ways in which gastroenterological (GI) conditions can affect the quality of life of my patients, and I am pleased to be an active partner in improving their GI health.”

Dr. Manetas has achieved significant milestones in his medical career. He was named a Fellow of the American Gastroenterological Association (AGAF) in 2015. Most recently, he was elected President of Richmond Gastroenterology Associates in 2022. 

Dr. Manetas grew up in Northern New Jersey and is now happy to make Richmond his home. He met his wife, Anne, while at the College of William and Mary, and they have two children. Dr. Manetas enjoys spending time with his family, cycling, tennis, traveling, and watching baseball in his spare time. He is also an active member of the Richmond Greek Orthodox Church.

Dr. Divyang Gandhi is a board-certified gastroenterologist with extensive experience in the diagnosis and treatment of a wide range of gastrointestinal disorders. Joining Richmond Gastroenterology Associates in January 2024, he sees patients at the Hanover office, in Mechanicsville, VA.

Dr. Gandhi earned his Bachelor of Medicine, Bachelor of Surgery (MBBS) from the Medical College Baroda in Vadodara, Gujarat, India. He then pursued advanced training in Internal Medicine at the Icahn School of Medicine at Mount Sinai in New York, NY, followed by a specialized fellowship in Gastroenterology and Hepatology at Howard University Hospital in Washington, D.C.

His clinical interests are broad and encompass diagnostic and therapeutic procedures including upper endoscopy, colonoscopy, esophageal motility, and advanced techniques such as variceal band ligation and esophageal dilation. Dr. Gandhi is proficient in managing complex liver diseases, including alcoholic and non-alcoholic steatohepatitis, viral hepatitis, and cirrhosis, and has expertise in transient elastography.

In addition to his clinical practice, Dr. Gandhi has contributed significantly to medical education. While practicing fulltime with Augusta Health in Fishersville, VA, he also worked as a teaching physician at the Edward Via College of Osteopathic Medicine and the Murphy Deming College of Health Sciences.

Dr. Gandhi’s professional memberships include the American Gastroenterology Association (AGA), the American College of Gastroenterology (ACG), and the American Society of Gastrointestinal Endoscopy (ASGE). Before relocating to Richmond, he was a member of the Endoscopy Executive Committee at Augusta Health, where he played a pivotal role in modernizing endoscopic practices and staff training.

His commitment to the field is underscored by numerous honors, including certification in advanced endoscopic techniques and selection for the ACG Early Career Leadership Program. Dr. Gandhi's research contributions are reflected in several peer-reviewed publications, further establishing his expertise and thought leadership in gastroenterology.

Outside of his professional endeavors, Dr. Gandhi enjoys cooking, gardening, and playing cricket. He resides in Richmond, VA, with his wife, and their two children.

Dr. Rafaz Hoque is a board-certified gastroenterologist with extensive training and experience in both clinical practice and academic research. He completed his undergraduate studies in Biochemistry at Columbia University in 1997, followed by his M.D. at Cornell University Medical College in 2003. Dr. Hoque's medical career began with an internal medicine internship and two residencies at New York University Bellevue Hospital. He then pursued advanced fellowship training in liver disease at the University of California, San Francisco, before becoming a Gastroenterology Fellow at Yale University.

Dr. Hoque’s career has been marked by significant roles in various esteemed institutions. From 2011 to 2018, he served as an Assistant Professor of Medicine at Yale University, where he was deeply involved in both clinical practice and research. His clinical work has spanned prestigious centers including Yale New Haven Hospital, Brigham and Women’s Harbor Medical Group, and currently Richmond Gastroenterology Associates, Inc. Dr. Hoque sees patients at RGA’s Midlothian office in North Chesterfield, VA and he practices in-patient at St. Francis Medical Center. His expertise covers complex areas such as inflammatory bowel disease, chronic liver disease, and pancreatic disorders.

A notable aspect of Dr. Hoque's career is his contribution to medical research. He has led several significant projects, including NIH and Global Fibrosis Foundation-funded studies focusing on novel therapies and immune responses in acute organ injury. His research has been recognized at major conferences, such as the American Association for the Study of Liver Disease, and he has received multiple awards for his work.

Dr. Hoque is also an accomplished author, having published numerous peer-reviewed articles on topics ranging from inflammasome activity to liver and pancreatic injury. His role in peer review and as a member of various professional committees further underscores his influence and commitment to advancing the field of gastroenterology.

Harmeet Singh Mashiana, MD, is a board-certified Gastroenterologist at Richmond Gastroenterology Associates. Dr. Mashiana sees patients at the Midlothian Center office in Chesterfield, Virginia.

Earning a Bachelor of Medicine and Surgery (MBBS) in 2014 from Bharati Vidyapeeth Deemed University Medical College in India, then completing his Internal Medicine Residency at the University of Nevada Las Vegas (UNLV) School of Medicine in 2018, Dr. Mashiana continued to The University of Nebraska Medical Center (UNMC) in Omaha, Nebraska, from 2018 to 2022.

In 2022, Dr. Mashiana adeptly completed his Advanced Endoscopy Fellowship at UNMC.

Dr. Mashiana’s clinical experience includes Internal Medicine Moonlighting at CHI Health Center in Omaha, a Gastroenterology Fellowship at UNMC, an Internal Medicine Residency at the Kirk Kerkorian School of Medicine (UNLV) in Las Vegas, Nevada, and a Gastroenterology Fellowship Externship at Southside Community Hospital in Farmville, Virginia.

In addition, Dr. Mashiana completed an Internal Medicine Nephrology Observership at North Edison Family Practice in New Jersey, a Radiology Observership at the University of Illinois in Chicago, and an Internal Medicine Externship at Humboldt Park Health (formerly Norwegian American Hospital) in Chicago, Illinois.

Dr. Mashiana regularly contributes to extensive research and studies, such as Endoscopic Ultrasound Guided Fine Needle Aspiration of Gastrointestinal Tract Lesions, Biliary Dilatation in Narcotic Users, Guided Ablation of Pancreatic Lesions, and Pancreatoscopy for Pancreatic Duct Stones as seen in the World Journal of Gastroenterology (September 2020) to name a few.

Awarded Poster of Excellence at the United European Gastroenterology Meeting in 2019 and Young Achiever Honor at the ACP National Meeting in 2017 and 2018, Dr. Mashiana is exceptionally bright and innovative, knowledgeable in many conditions, including GERD, diabetes, fatty liver disease, pancreatic lesions, and tumors.

In his spare time, Dr. Mashiana enjoys playing cricket and traveling. He is trilingual and speaks English, Punjabi, and Hindi fluently. He and his wife, who is also a practicing physician in the Chesterfield area, are excited to make Richmond home.