Sedgwick Share: Worker's Compensation Insurance Sedgwick Visit Website Request Info 5500 Glendon Court Dublin, OH 43016 (614) 359-2403 (614) 789-4213 (fax) www.sedgwick.com/ohiotpa About Map About Ohio workers' compensation third party administrator What's Nearby? Distance: 5 10 15 20 25 50 mi.