Gastroenterology
Joanna Melia, M.D.
Assistant Professor, Medicine, Johns Hopkins University School of Medicine
Dr. Joanna M. Melia is a gastroenterologist specializing in inflammatory bowel disease (IBD) at Johns Hopkins in the Baltimore area. Her clinical expertise encompasses ulcerative colitis, Crohn's disease, microscopic colitis, collagenous colitis, and celiac disease. She manages complex IBD cases, performing procedures such as endoscopy and colonoscopy. Dr. Melia's research focuses on advancing individualized IBD care through functional genomic studies examining diet, host factors, and microbiota
19+
Years in Practice
Credentials
Board Certifications
- Gastroenterology (American Board of Internal Medicine)
- Internal Medicine (ABIM)
Education & Training
- Mass General Brigham/Massachusetts General Hospital — Fellowship, Gastroenterology, 2010 - 2013
- Johns Hopkins University — Residency, Internal Medicine, 2007 - 2010
- Mayo Clinic College of Medicine — M.D., Class of 2007
Peer Recognition
- Castle Connolly — Top Doctor
2025-2026 (2 years)
Clinical Focus
Subspecialties
Conditions & Treatments
Practice Details
Hospital Affiliations
- Johns Hopkins Bayview Medical Center
- Johns Hopkins Hospital
Languages
English
Experience
19+ years in practice