"not giving up meeting together, as some are in the habit of doing, but encouraging one another—and all the more as you see the Day approaching." Hebrews 10:25
Attending church serves many purposes: encouraging one another, worshiping together, teaching and learning together, praying for and with others. Individual members of a church are referred to as members of the body of Christ. For the body to function as it should there are times when they need to come together. Attending church does not make you a Christian but as a Christian you should be attending church with other believers.