Locum Tenens CRNAs Need CRNAs to cover temporary assignments nationwide.  Need a CRNA Timesheet?  Click here! Need a Malpractice Timesheet?  Click here!   Assignments often change daily. Please contact us for more information about  our locum assignments or to give us your available dates so we can start scheduling you!  For more info, please email us at: sas@tbcnet.com  or  staffing@tbcnet.com Sycamore Anesthesia Services, Ltd. 1-800-438-7178