According to our records, this business is located at 550 S Dupont Blvd Ste C in Milford (in Sussex County), Delaware 19963, the location GPS coordinates are: 38.9040037 (latitude), -75.4407323 (longitude). E Mark Johnson MD is categorized under Clinics (SIC code 8011). Known organization owner is E Johnson. Current estimates show that the unit has a sales volume of $220,000 and staff of approximately 3 people. You can contact the company by phone at (302) 422-6050.