John Affronti
Experienced in Esophageal Varices
Experienced in Esophageal Varices

Overview

John Affronti is a Gastroenterologist in Baltimore, Maryland. Dr. Affronti is rated as an Experienced provider by MediFind in the treatment of Esophageal Varices. His top areas of expertise are Childhood Volvulus, Portal Hypertension, Indigestion, Endoscopy, and Gastrectomy.

His clinical research consists of co-authoring 5 peer reviewed articles. MediFind looks at clinical research from the past 15 years.

Graduate Institution
Uniformed Services University Of The Health Sciences F. Edward Hebert School Of Medicine, Pharmacology & Toxicology, MS, 1981
Residency
George Washington University Hospital, Internal Medicine, 1988
Specialties
Gastroenterology
Licenses
Internal Medicine in IL
Board Certifications
American Board Of Internal Medicine
Fellowships
Duke University Medical Center, Gastroenterology, 1990
Hospital Affiliations
The Johns Hopkins Hospital
Johns Hopkins Bayview Medical Center
Languages Spoken
English
Gender
Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
CareFirst
  • HMO
  • POS
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
First Health
  • INSURANCE PLAN
  • MEDICARE PDP
  • PPO
Geisinger
  • HMO
  • POS
  • PPO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 3 Less Insurance Carriers -

Locations

Johns Hopkins Bayview Medical Center
4940 Eastern Avenue, Baltimore, MD 21224
Other Locations
The Johns Hopkins Hospital
1800 Orleans Street, Baltimore, MD 21287

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.


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Dr. Hamilton is an Associate Professor of Medicine in the Division of Gastroenterology and Hepatology. He is the Interim Director, Division of Gastroenterology and Hepatology and the Director of Hepatology for Johns Hopkins Medicine. His clinical specialties include Wilson Disease, Cystic Fibrosis related liver disease, liver transplantation, hepatocellular carcinoma, cirrhosis, portal hypertension, acute and chronic viral, non-alcoholic fatty liver disease (NASH), autoimmune, and cholestatic liver disease. His research interests include the copper homeostasis and its regulation of lipid metabolism and liver injury, the fundamental mechanisms regulating liver fibrosis, and the molecular genetics of hepatocellular carcinoma and early detection biomarkers. Dr. Hamilton is a 2005 recipient of the National Institutes of Health/ National Research Scholar Award for gastroenterology and hepatology. Dr. Hamilton is rated as an Advanced provider by MediFind in the treatment of Esophageal Varices. His top areas of expertise are Hepatitis, Esophageal Varices, Autoimmune Hepatitis, Endoscopy, and Carotid Artery Surgery.

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Osama Kaddourah is a Gastroenterologist in Bel Air, Maryland. Dr. Kaddourah is rated as a Distinguished provider by MediFind in the treatment of Esophageal Varices. His top areas of expertise are Gastrointestinal Bleeding, Painful Swallowing, Swallowing Difficulty, Endoscopy, and Colonoscopy.

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

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