Dr. John Harmon is a General Surgeon and General Physician in Sabina-Mattfeldt, BALTIMORE and has an experience of 57 years in these fields. Dr. John Harmon practices at Mt. Washington Pediatric Hospital in Sabina-Mattfeldt, BALTIMORE. He completed Medical degree, DO from Vagelos College of Physicians and Surgeons, Columbia University in 1969 and Medical School from Columbia University College Of Physicians & Surgeons in 1969. He is a member of AMERICAN COLLEGE OF SURGEONS. Some of the services provided by the doctor are: Incisional Hernia,Abdominal Pain,Anorectal Abscess,Hernia Repair Surgery and Abdominoplasty etc.