Patient Info. More. Dakota Dunes. 101 Tower Rd Dakota Dunes SD 57049 Phone - 605-217-7246 Fax - 605-217-4878. Hours Monday - Friday 8:00 am - 5:00 pm Providers Dr. Johnson Dr. Lukken Dr. Poulsen Dr. Sorenson Dr. Fisher Emile Fernando - Physician Assistant David King - Physician Assistant ....