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Photo of Dr. John Harmon

John Harmon, M.D.

Director, Surgical Research
Professor of Surgery

Male  | Languages: English, French

Appointment Phone

410-550-0400

Main Location

Johns Hopkins Bayview Medical Center

Out-of-State & International Patients +
Out of State Patients

Call 410-464-6641 (8a.m. to 6p.m., EST, Mon-Fri)

Learn more about our out-of-state patient services »

International Patients

Call +1-410-502-7683 (7a.m. to 6p.m., EST, Mon-Fri)

Learn more about our international patient services »

Titles

  • Director, Surgical Research
  • Professor of Surgery

Centers & Institutes

Departments

  • Surgery - Bayview Division of Surgery

Locations

Johns Hopkins Bayview Medical Center

Appointment Phone: 410-550-0400

4940 Eastern Avenue
Baltimore, MD 21224 map

The Johns Hopkins Hospital

Appointment Phone: 443-997-1508

600 N. Wolfe Street
Sheikh Zayed Tower
Baltimore, MD 21287 map

Johns Hopkins Outpatient Center

Appointment Phone: 443-997-1508

601 N. Caroline Street
Baltimore, MD 21287 map
Phone: 410-550-0401
Fax: 410-550-1245

Expertise

Breast Cancer, Breast Disease , Burns, Cancer, General Surgery, Hernias, Surgery , Thyroid Disorders, Wound Healing

Research Interests

pathophysiology of gastro-esophageal diseases; Surgical wound healing

Biography

John W. Harmon, M.D., FACS, is a general surgeon with a wide-ranging practice including a variety of complex clinical problems, Dr. Harmon specializes in the management of complex hernias and wounds. However, his many surgical interests include hernias, wound healing, breast cancer, colon and small bowel cancers, stomach cancer, as well as thyroid and parathyroid conditions.

Dr. Harmon has been featured in several publications regarding the gastrointestinal organs, including the esophagus, stomach, small intestine and colon. He has also published information dealing with military medicine, specifically blast injuries. Dr. Harmon was one of the first to publish, in his paper on Zollinger Ellison syndrome, the importance of removing tumors. He also was the first to observe an endocrine effect of marijuana. His animal studies of GERD (gastro-esophageal reflux disease) were extensive and helped explain the pathophysiology of the condition.

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