Conveniently pay your medical bills online with these Ascension St. John Online bill pay service options. Hospital Bill. To pay your Ascension St. John Medical Center, Ascension St. John Broken Arrow, Ascension St. John Owasso, Ascension St. John Sapulpa, Ascension St. John Jane Phillips or Ascension St. John Nowata hospital bill: includes inpatient, outpatient and emergency visits or procedures..