If you are a an existing ASH Practitioner and lost or never received your account information package please contact a customer service rep at (800) 972-4226 for assistance (see other numbers below if your speciality is not Acupuncture). Alternatively you can also email a ASHLink customer care agent at service@ashn.com.
If you're looking for the church that is closest to the Catholic Church in terms of doctrine and practice, that would be the Eastern Orthodox churches. Even the Lutherans are far closer to the Catholic Church than the Methodists.
The Holy Orthodox Catholic and Apostolic Church and the Roman Catholic Church were one Church for the first millennium of Christianity, so there are many similarities. Common to both are most of the points of the Nicene Creed (http://www.goarch.org/chapel/liturgical_...