Dr. Rivera-Nieves specializes in pediatric gastroenterology, hepatology and nutrition in the Department of Medicine. She sees patients on our main campus in St. Petersburg and at Johns Hopkins All Children’s Outpatient Care, Sarasota. She joined the medical staff in 2020. Dr. Rivera-Nieves earned her medical degree from the Universidad Autónoma de Guadalajara in Jalisco, Mexico. She completed a pre-internship medical program at New York Medical College in Valhalla, New York. She then completed a family medicine internship from Vidant Medical Center, East Carolina University/Brody School of Medicine in Greenville, North Carolina, followed by a pediatric residency in general pediatrics from Vidant Medical Center, East Carolina University/Brody School of Medicine. Dr. Rivera-Nieves also completed a pediatric gastroenterology fellowship from Orlando Health, Arnold Palmer Hospital for Children/University of Florida in Orlando, Florida. Dr. Rivera is rated as an Experienced provider by MediFind in the treatment of Gastric Dysmotility. Her top areas of expertise are Lactose Intolerance, Atresia of Small Intestine, Fecal Impaction, and Small Bowel Bacterial Overgrowth.

Mihir Patel is a Gastroenterologist in St Petersburg, Florida. Dr. Patel is rated as an Advanced provider by MediFind in the treatment of Gastric Dysmotility. His top areas of expertise are Gastric Dysmotility, Chronic Erosive Gastritis, Familial Adenomatous Polyposis, Endoscopy, and Gastrectomy.

Benjamin Tharian is a Gastroenterologist in St Petersburg, Florida. Dr. Tharian is rated as an Experienced provider by MediFind in the treatment of Gastric Dysmotility. His top areas of expertise are Bile Duct Obstruction, Cholestasis, Gastrointestinal Bleeding, Endoscopy, and Gastrectomy.

Rabee Korbaj is a primary care provider, practicing in Internal Medicine in St Petersburg, Florida. Dr. Korbaj is rated as an Experienced provider by MediFind in the treatment of Gastric Dysmotility. His top areas of expertise are Sepsis, Pneumonia, Necrosis, Gastrostomy, and Endoscopy. Dr. Korbaj is currently accepting new patients.

Helen Brvenik is a primary care provider, practicing in Family Medicine in St Petersburg, Florida. Dr. Brvenik is rated as an Experienced provider by MediFind in the treatment of Gastric Dysmotility. Her top areas of expertise are High Cholesterol, Osteomyelitis in Children, Hypertension, and Familial Hypertension. Dr. Brvenik is currently accepting new patients.

Girish Patel is a Gastroenterologist in St Petersburg, Florida. Dr. Patel is rated as an Experienced provider by MediFind in the treatment of Gastric Dysmotility. His top areas of expertise are Gastrointestinal Bleeding, Esophagitis, Swallowing Difficulty, Gastrostomy, and Gastrectomy.

Nicholas Kozlov is a Gastroenterologist in St Petersburg, Florida. Dr. Kozlov is rated as an Experienced provider by MediFind in the treatment of Gastric Dysmotility. His top areas of expertise are Irritable Bowel Syndrome (IBS), Gastroesophageal Reflux Disease (GERD), Gastric Dysmotility, Gastrectomy, and Colonoscopy.

Harry Sperber is a Gastroenterologist in St. Petersburg, Florida. Dr. Sperber is rated as an Experienced provider by MediFind in the treatment of Gastric Dysmotility. His top areas of expertise are Ulcerative Colitis, Indigestion, Chronic Erosive Gastritis, Gastrectomy, and Endoscopy.

Nadarajah Nirmalan is a primary care provider, practicing in Internal Medicine in St Petersburg, Florida. Dr. Nirmalan is rated as an Experienced provider by MediFind in the treatment of Gastric Dysmotility. His top areas of expertise are Chronic Erosive Gastritis, Esophagitis, Cavernous Lymphangioma, Gastrostomy, and Endoscopy. Dr. Nirmalan is currently accepting new patients.

Mark Eichenbaum is a primary care provider, practicing in Geriatrics and Internal Medicine in St Petersburg, Florida. Dr. Eichenbaum is rated as an Experienced provider by MediFind in the treatment of Gastric Dysmotility. His top areas of expertise are Newborn Jaundice, Transient Familial Hyperbilirubinemia, Thyroid Dysgenesis, Gastrostomy, and Endoscopy. Dr. Eichenbaum is currently accepting new patients.

Robert Wharton is a Gastroenterologist in St Petersburg, Florida. Dr. Wharton is rated as an Experienced provider by MediFind in the treatment of Gastric Dysmotility. His top areas of expertise are Acute Pancreatitis, Gastrointestinal Bleeding, Fecal Impaction, Endoscopy, and Colonoscopy.

Sherif Serag is a primary care provider, practicing in Family Medicine in St Petersburg, Florida. Dr. Serag is rated as an Experienced provider by MediFind in the treatment of Gastric Dysmotility. His top areas of expertise are Hypertensive Heart Disease, Enlarged Liver, Pediatric Myocarditis, Diabetic Neuropathy, and Gastrostomy. Dr. Serag is currently accepting new patients.

Kavita Rao is a primary care provider, practicing in Internal Medicine in St Petersburg, Florida. Dr. Rao is rated as an Experienced provider by MediFind in the treatment of Gastric Dysmotility. Her top areas of expertise are Visceromegaly, Heart Attack, Hypertension, Ureteroscopy, and Endoscopy. Dr. Rao is currently accepting new patients.

Nimal Patel is a Gastroenterologist in St Petersburg, Florida. Dr. Patel is rated as an Advanced provider by MediFind in the treatment of Gastric Dysmotility. His top areas of expertise are Gastrointestinal Bleeding, Gastritis, Gastric Dysmotility, Endoscopy, and Gastrostomy.

Micaella Kantor is a Gastroenterologist in St Petersburg, Florida. Dr. Kantor is rated as an Advanced provider by MediFind in the treatment of Gastric Dysmotility. Her top areas of expertise are Gastrointestinal Bleeding, Meckel's Diverticulum, Gas Bloat Syndrome, Anemia, and Endoscopy.

Jayaprakash Kamath is a Gastroenterologist in St Petersburg, Florida. Dr. Kamath is rated as an Advanced provider by MediFind in the treatment of Gastric Dysmotility. His top areas of expertise are Gastritis, Chronic Erosive Gastritis, Gastroesophageal Reflux Disease (GERD), Gastrostomy, and Gastrectomy. Dr. Kamath is currently accepting new patients.

Ernst Bontemps is a Gastroenterologist in Saint Petersburg, Florida. Dr. Bontemps is rated as an Advanced provider by MediFind in the treatment of Gastric Dysmotility. His top areas of expertise are Painful Swallowing, Swallowing Difficulty, Trichohepatoenteric Syndrome, Gastrectomy, and Colonoscopy.

Milan Patel is a Gastroenterologist in St Petersburg, Florida. Dr. Patel is rated as an Advanced provider by MediFind in the treatment of Gastric Dysmotility. His top areas of expertise are Chronic Erosive Gastritis, Colonic Malakoplakia, Lactose Intolerance, Gastrectomy, and Endoscopy.

Rogelio Perez is a Gastroenterologist in Pinellas Park, Florida. Dr. Perez is rated as an Advanced provider by MediFind in the treatment of Gastric Dysmotility. His top areas of expertise are Chronic Idiopathic Constipation (CIC), Chronic Erosive Gastritis, Diarrhea, Gastrectomy, and Colonoscopy.

Gurneet Bedi is a Gastroenterologist in Pinellas Park, Florida. Dr. Bedi is rated as an Advanced provider by MediFind in the treatment of Gastric Dysmotility. His top areas of expertise are Colonic Malakoplakia, Angiodysplasia of the Colon, Watermelon Stomach, Endoscopy, and Gastrectomy.