Mr. Stephen Preston Casowitz primarily specializes in Physician Assistant but also specializes in Medical (Physician Assistant) and Surgical (Physician Assistant). Mr. Stephen Preston Casowitz's NPI Number is #1013245851 and has been listed in the NPI registry for 7 years. Mr. Stephen Preston Casowitz's practice location is listed as: 1660 S Columbian Way Seattle, WA 98108-1532 and can be reached via phone at (206) 764-2215.