About us. Gros Ventre OB/GYN is a small business in Jackson, WY. We are one of the few OB/GYN providers left in western Wyoming. Our team is dedicated to providing the best possible care and experince for each one of our patients. Overview. We are seeking an Office Specialist to join our team. The ideal candidate will have experience in medical office settings. This position involves communicating with insurace companies for precertifications, co...