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Sun Jung Oh, M.D.

Sun Jung Oh, M.D.

Headshot of Sun Jung Oh
  • Assistant Professor of Medicine

Languages: English, Japanese, Korean


Esophageal Diseases, Gastroenterology, General Gastroenterology, Motility Disorders more

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The Johns Hopkins Hospital

Appointment Phone: 410-502-6255
600 N. Wolfe Street
Baltimore, MD 21287 map

Johns Hopkins Medicine - Green Spring Station

Appointment Phone: 410-502-6255
2360 W. Joppa Road
Joppa Concourse Suite 205
Lutherville, MD 21093 map
Phone: 410-933-7495

Johns Hopkins Medicine - Green Spring Station

Appointment Phone: 410-502-6255
10803 Falls Road
Pavilion III, Third Floor
Lutherville, MD 21093 map
Phone: 443-997-0286

Johns Hopkins Bayview Medical Center

Appointment Phone: 410-502-6255
4940 Eastern Avenue
A Bldg 3rd floor
Baltimore, MD 21224 map


Dr. Sun Jung “Sunny” Oh is a gastroenterologist who treats a variety of gastrointestinal disorders and provides colon cancer screening. She also has an interest in treating patients who have motility conditions, including esophageal motility and defecatory disorders.  

Dr. Oh obtained her medical degree at the Medical College of Georgia. She completed her internal medicine residency training at Cedars-Sinai Medical Center in Los Angeles and a fellowship in gastroenterology at the Johns Hopkins University School of Medicine. During her training, she received the teaching award for fellow of the year during her first year, and served as the chief fellow for the gastroenterology fellowship, and will continue to be involved in medical education as the co-director for the GI course for the school of medicine. 

Dr. Oh’s research interests include motility disorders, gut microbiome and medical education. Her clinical research has been published in many peer-reviewed journals and presented at national and international conferences. more


  • Assistant Professor of Medicine

Departments / Divisions



  • MD; Medical College of Georgia - Augusta University (2016)


  • Internal Medicine; Cedars-Sinai Medical Center (2019)


  • Gastroenterology; Johns Hopkins University School of Medicine (2022)

Board Certifications

  • American Board of Internal Medicine (Internal Medicine) (2019)
  • Pending/Scheduled (Gastroenterology)
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