Heartland Dental operates as a dental practice management organization with headquarters in Effingham, Illinois. It provides support through continuing education; and management services, such as staffing, human relations, purchasing, administration, financial, marketing and information technology support. Heartland Dental has expanded to over 20,000 team members in over 1,800 supported office with over 2,400 supported doctors across 38 states. Omaha, the largest city in the State of Nebraska and the 42nd-largest city in the United States, is located on the Missouri river and just 10 miles north of the Platte, or Nebraska River. The city is home to an estimated 484,400 residents.