Gill OB/GYN Medical Group, Inc. MEDICAL BILLER. Do you have medical billing knowledge and want to expand your skills. Would you like to find a job that is stable within a great environment--even a family atmosphere. Would you like to enjoy coming to work everyday. We are a large OB/GYN office seeking a knowledgeable Medical Biller. We prefer 1 to 2 years of experience with knowledge of processing Medi-Cal, Medicare, and private health insurance c...