If you don't give any uid or gid mount options then all files on the NTFS file system are owned by root as you have seen.
You can either add a uid option for you user name or use a gid option with one of the groups that may be set up set up for that purpose -- perhaps plugdev or storage depending on the distro. Your user would need to be a member of the group.
Which distro are you using?
There's helpful information here