Kristin Vaughn, CPC, CPMA, QMGC, ICDCT-CM, is a national consultant with over 15 years of coding and billing experience. This includes gastroenterology, pulmonary, critical Care, immunology/rheumatology, hematology and hospitalist specialties, plus seminar instruction, auditing, and on-site consulting. Her background includes extensive experience in a teaching university and numerous presentations for specialty societies. Kristin is currently a full-time consultant/trainer with AskMueller Consulting, LLC. Kristin is a certified professional medical auditor and certified ICD-10 trainer. She is the co-author of several workbooks and programs specific to gastroenterology. Kristin also answers the coding email for ASGE.