Dr. Mark Leo Mckinstry is a Internal Medicine and General Physician in…read more Portland 97219, PORTLAND and has an experience of 38 years in these fields. Dr. Mark Leo Mckinstry practices at Mark L Mckinstry Md in Portland 97219, PORTLAND. The doctor completed Residency in Internal Medicine from Legacy Health/Emanuel Medical Center in 1991 and Class of 1988 from Oregon Health & Science University School Of Medicine in 1988.read less