In operation for more than 25 years, Associated Billing Services is a company that provides medical billing services. It also offers accounts receivable management services and has a staff of more than 100 employees. The company serves physicians in a range of specializations, such as radiology, pathology, gastroenterology, pediatric pulmonology, neurology, orthopedic and general surgery and neuropsychology. Associated Billing Services is a member of the Healthcare Billing & Management Association. It is located in Phoenix.