DZA, formerly known as Thomas D. Dingus & Associates, is a public accounting and advisory firm located in Spokane Valley, Washington. It was founded by Tom Dingus on July 1, 2003, and has since grown to serve healthcare and not-for-profit organizations across 21 states, including Alaska, Alabama, Arizona, California, Colorado, Idaho, Illinois, Kansas, Louisiana, Missouri, Montana, Nebraska, New Mexico, Nevada, Oklahoma, Oregon, Pennsylvania, Texas, Utah, Washington, and Wyoming[1][3][4]. ### Key Services and Specialties - Healthcare Services: DZA provides specialized services to critical access hospitals, community health centers, hospitals, hospices, senior living facilities, and home health agencies. These services include Medicare and Medicaid cost report preparation and reimbursement consulting[1][3]. - Not-for-Profit Services: The firm offers a range of services tailored for not-for-profit organizations, including audits, single audits, IRS Form 990 and 990T preparation, and general business consulting[5]. - Professional Certifications and Memberships: DZA's team members are certified public accountants (CPAs) and are affiliated with professional organizations such as the American Institute of Certified Public Accountants and the Washington Society of Certified Public Accountants[2]. ### Leadership and Community Involvement Tom Dingus, the founder and managing partner, is a recognized leader in the healthcare industry with over 35 years of experience. He has served in various professional roles, including past president of the Healthcare Financial Management Association, Washington/Alaska Chapter[2]. DZA encourages community involvement through firm-wide volunteer programs and personal causes[5].