Paul E. Johnson, MD, received his medical degree from Creighton University in Omaha, NE and served his residency at Creighton, also. Dr. Johnson is board certified by the American Board of Surgery, and serves as Director of the Mercy Wound Care Clinic. The Wound Care Center treats all types of hard-to-heal wounds, and is the only facility in Siouxland to offer Hyperbaric Oxygen Therapy for the most serious wounds.