Overview
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 Campylobacter Infection. Her top areas of expertise are Lactose Intolerance, Atresia of Small Intestine, Fecal Impaction, and Small Bowel Bacterial Overgrowth.
Her clinical research consists of co-authoring 3 peer reviewed articles. MediFind looks at clinical research from the past 15 years.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- HMO
- POS
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- PPO
- EPO
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- HMO
- POS
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- HMO
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE-MEDICAID PLAN
- OTHER MEDICAID
- STATE MEDICAID
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE PART D
- EPO
- HMO
- PPO
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- OTHER MEDICARE PART D
- EPO
- HMO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
Saint Petersburg, FL 33701
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
JH All Children's Gastroenterology
Dr. Irizarry is a pediatric gastroenterologist at Johns Hopkins All Children’s. She sees patients in the gastroenterology office in Temple Terrace and the Outpatient Care Center in Brandon. Her clinical interests include inflammatory bowel disease and eosinophilic esophagitis. She earned her medical degree from Ponce School of Medicine in Ponce, Puerto Rico. She completed a pediatric residency at the University of South Florida in Tampa. She then completed a fellowship in pediatric gastroenterology, hepatology and nutrition at the University of Colorado School of Medicine in Denver. Dr. Irizarry is rated as an Advanced provider by MediFind in the treatment of Campylobacter Infection. Her top areas of expertise are Morning Sickness, Trichohepatoenteric Syndrome, Diarrhea, and Gilbert Syndrome.
JH All Children's Gastroenterology
Dr. Karjoo specializes in pediatric gastroenterology/hepatology in the Department of Medicine at Johns Hopkins All Children’s Hospital. She sees patients in St. Petersburg and Sarasota. Dr. Karjoo’s clinical interests include hepatology and medical education. She earned her medical degree from The State University of New York Upstate Medical University. Dr. Karjoo trained in pediatrics at the University of Pittsburgh Medical Center/Children’s Hospital of Pittsburgh, in Pittsburgh, Pennsylvania. She completed a gastroenterology clinical fellowship and a gastroenterology research fellowship at the Children's Hospital of Philadelphia. Dr. Karjoo is rated as an Advanced provider by MediFind in the treatment of Campylobacter Infection. Her top areas of expertise are Lactose Intolerance, Eosinophilic Esophagitis, Delayed Growth, Gastrostomy, and Endoscopy.
Johns Hopkins All Children's Outpatient Care, St. Petersburg
Dr. McClenathan is chief of the division of the pediatric gastroenterology, hepatology and nutrition at Johns Hopkins All Children’s Hospital. He earned his medical degree at Louisiana State University School of Medicine and completed his pediatric internship and residency at The Johns Hopkins Hospital and his pediatric gastroenterology and nutrition clinical and research fellowships at Harvard Medical School and Massachusetts General Hospital. Dr. Mcclenathan is rated as an Advanced provider by MediFind in the treatment of Campylobacter Infection. His top areas of expertise are Lactose Intolerance, Morning Sickness, Rotor Syndrome, Dubin-Johnson Syndrome, and Gastrostomy.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Experienced
- Atresia of Small IntestineDr. Rivera isExperienced. Learn about Atresia of Small Intestine.
- Bacterial GastroenteritisDr. Rivera isExperienced. Learn about Bacterial Gastroenteritis.
- Campylobacter InfectionDr. Rivera isExperienced. Learn about Campylobacter Infection.
- Celiac DiseaseDr. Rivera isExperienced. Learn about Celiac Disease.
- DiarrheaDr. Rivera isExperienced. Learn about Diarrhea.
- EncopresisDr. Rivera isExperienced. Learn about Encopresis.