Massachusetts Employee's Claim for Post-Lump Sum Medical Mediation is a process by which employees in Massachusetts may seek reimbursement from their employer for medical bills incurred in connection with an illness, injury, or disability. This process is governed by the Massachusetts Department of Industrial Accidents (DID). There are two types of claims: one-time lump sum medical reimbursement and ongoing medical reimbursement. For a one-time lump sum claim, the claimant must provide evidence that they have incurred medical expenses related to a work-related injury or illness. The DID will review the claim and make a determination as to the amount of reimbursement the employee should receive. For an ongoing medical reimbursement claim, the employee must provide evidence of medical bills incurred on an ongoing basis due to a work-related injury or illness. This type of claim is more complex than a one-time lump sum claim, as the DID must review the medical bills on a regular basis to determine the amount of reimbursement the employee should receive. In both types of claims, the claimant must provide evidence that their medical expenses are related to a work-related injury or illness. They must also provide evidence that the employer is liable for the medical expenses. Finally, the claimant must provide evidence that their medical bills were incurred as a result of the injury or illness.