Kathleen A. Mueller, RN, CPC, CCS-P, CGCS, CMSCS, PCS, CCC, is a national independent consultant with over 35 years experience in healthcare. This includes ICU/CCU nursing, physician office administration, GI claims submission and adjudication, plus seminar instruction and on-site consulting work in hundreds of offices. Ms. Mueller is owner of AskMueller Consulting, LLC, a nationally recognized speaker and author of many multi-specialty medical and surgical coding workbooks with a special emphasis on Gastroenterology. Her presentations have included organizations such as the AGA, North American Society for Pediatric Gastroenterology and Nutrition (NASPGHAN), ASGE, ACG, and Digestive Disease Week (DDW). She also writes a coding column for NASPGHAN, AGA, and ASGE.
Kristin Vaughn, CPC, CGCS, CPMA, ICDCT-CM, CMSCS, is a national consultant with over 12 years of coding and bill- ing experience. This includes Gastroenterology, Pulmonary, Critical Care, Immunology/ Rheumatology, Hematology, and Hospitalist specialties plus seminar instruction and on-site consulting. Her background includes extensive experience in a teaching university. She currently is a full time consultant/trainer with AskMueller Consulting, LLC. Her presentations have included organizations such as AGA and ASGE. She is a Certified Profession Medical Auditor and Certified ICD-10 trainer. She is the co-author of several workbooks and programs specific to Gastroenterology.