
Overview
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 Experienced provider by MediFind in the treatment of Helicobacter Pylori Infection. His top areas of expertise are Lactose Intolerance, Morning Sickness, Rotor Syndrome, Dubin-Johnson Syndrome, and Gastrostomy.
His clinical research consists of co-authoring 4 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
- HMO
- POS
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- PPO
- EPO
- PPO
- HMO
- POS
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- 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
Locations
601 5th Street South, Suite 620, Suite 620, 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 Helicobacter Pylori 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 Helicobacter Pylori Infection. Her top areas of expertise are Lactose Intolerance, Eosinophilic Esophagitis, Delayed Growth, Gastrostomy, and Endoscopy.
Johns Hopkins All Children's Outpatient Care, Lakeland
Dr. Beltroy specializes in pediatric gastroenterology for the Johns Hopkins All Children’s Hospital Department of Medicine. He primarily sees patients in Tampa and Lakeland. His clinical interests include eosinophilic esophagitis, inflammatory bowel disease, constipation and abdominal pain. Dr. Beltroy earned his medical degree from Universidad Peruana Cayetano Heredia in Lima, Peru. He trained in pediatrics and served as pediatric chief resident at SUNY Health Science Center in Brooklyn, New York. Dr. Beltroy then completed a pediatric gastroenterology fellowship at Children’s Medical Center of Dallas in Texas. He is fluent in Spanish. Dr. Cornejo is rated as an Advanced provider by MediFind in the treatment of Helicobacter Pylori Infection. His top areas of expertise are Delayed Growth, Gastroesophageal Reflux Disease (GERD), Encopresis, and Hirschsprung Disease.
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
- Advanced
- Bowel IncontinenceDr. Mcclenathan isAdvanced. Learn about Bowel Incontinence.
- Celiac DiseaseDr. Mcclenathan isAdvanced. Learn about Celiac Disease.
- ColitisDr. Mcclenathan isAdvanced. Learn about Colitis.
- Delayed GrowthDr. Mcclenathan isAdvanced. Learn about Delayed Growth.
- DiarrheaDr. Mcclenathan isAdvanced. Learn about Diarrhea.
- Dubin-Johnson SyndromeDr. Mcclenathan isAdvanced. Learn about Dubin-Johnson Syndrome.
- Experienced
- Acute PancreatitisDr. Mcclenathan isExperienced. Learn about Acute Pancreatitis.
- Alpha-1 Antitrypsin Deficiency (AATD)Dr. Mcclenathan isExperienced. Learn about Alpha-1 Antitrypsin Deficiency (AATD).
- Atresia of Small IntestineDr. Mcclenathan isExperienced. Learn about Atresia of Small Intestine.
- Autism Spectrum DisorderDr. Mcclenathan isExperienced. Learn about Autism Spectrum Disorder.
- Bacterial GastroenteritisDr. Mcclenathan isExperienced. Learn about Bacterial Gastroenteritis.
- Bile Duct CystsDr. Mcclenathan isExperienced. Learn about Bile Duct Cysts.


