File a Disability Claim You can choose to file your entire claim over the phone by calling the Cornerstone Claims Department at (847) 387-3889, or you can complete the below form and schedule a time to finish the claim filing process. 1Contact Information2Employer Information3Claim Information4Availability Name* First Last Address* Street Address Address Line 2 City State ZIP Primary Phone*Phone Type*SelectHomeMobileWorkEmail Date of Birth* Month Day Year Union* Division* Employer* Job Title* Date of Hire* Month Day Year Last Day Worked* Month Day Year Date of Disability* Month Day Year Medical Condition* Estimated Time Off* Doctor's Name* First Last Doctor's Phone*Doctor's FaxDid your condition occur:*SelectOn the jobOff the jobIs your condition due to an:*SelectAccidentIllness Select a date/time to be contacted by a Cornerstone Claims Advocate to finish filing your claim Our business hours are Monday-Friday from 8:00am-5:00pmDate* Month Day Year Time* : Hours Minutes AM PM AM/PM Your Time Zone*EasternCentralMountain DaylightMountain StandardPacificAlaskaHawaii