Dr. C. A. McCollum was Dassel's first physician and surgeon, coming in 1871. He also was the village recorder for several years and county commissioner from 1878 to 1880. On December 1, 1887, he sold his practice to Dr. J. H. Kauffman for $250. Dr. Kauffman also was the owner of the McCoy Drug Store. Other Dassel doctors were: Dr. H. E. Cassel, who came on February 1, 1889, and in 1891 moved to Cokato, Dr. George E. Sherwood, who came in 1894, but, in 1900, he moved to Kimball, Dr. E. A. Skaro came in 1886 and practiced for two years, then moved to Minneapolis, Dr. Wm. E. Tryon came in 1900 for three years, then left for Minneapolis also, Dr. M. Kranz came in 1902, but stayed for only three months, then moved to Saint Paul, Dr. G. J. Dahlquist came in 1903, staying until 1904 when he moved to North Dakota, and Dr. A. C. Peterson, in 1905.