Associated Billing and Management, Inc. (ABM) is an innovative and experienced billing and accounting firm that provides small to medium-sized healthcare providers with specialized billing services and related accounting, management and consulting support. Services that will enable the business side of your practice to run smoothly, effortlessly and more profitably.ASSOCIATION* American Medical Association* National Society of Tax Professionals* Wisconsin Association of Accountants, Inc.* National Society of Accountants* National Association of Tax Practitioners