OBGYN Providers The following providers include our Idaho Falls obgyn physicians, physician assistants, certified nurse practitioner and our certified nurse midwives. Steven W. Robison, MD, CPI Matthew Robison, DO Jason Gundersen, MD Ty Erickson, MD FPMRS Physician’s Assistants and Nurse Practitioners Tauni Eckersell, FNP-C Hailey Clark, FNP-C Melissa Bates, PA-C Audra Rose, PA-C Lori Woodbury, PA-C