Practice For Sale – Duluth, Minnesota. Highly successful and solid practice for sale. Established 1980. $588,609 gross. $281,000+ net income to owner! 1,700 sq ft in medical professional bldg with ample parking and easy access. Located in prime development area. Diversified, also therapies. Priced to sell. Financing available. Contact Loren Martin, Practice Op Inc., 952-953-9444. email@example.com.