(214) 533-1144. This infographic lists many of the revenue cycle management services provided by Legacy Health LLC. The company helps ambulatory surgery centers (ASC), hospitals, physician practices and other medical businesses like Cardiology, Endocrinology, Gastroenterology, General Surgery, Geriatrics, Gynecology, Hospital Medicine, Infectious Disease, Internal Medicine, Nephrology, Obstetrics, Oncology, Orthopedics, Pain Management, Pathology, Pediatrics, Physical Therapy, Primary Care, Psychiatry, Urgent Care, And Urology.