Great Lakes Medicaid is one of the leading Medicaid eligibility services providers in the United States. It has a staff that is fluent in Polish and Spanish and includes nearly 80 patient advocates, field investigators and attorneys. Great Lakes Medicaid has been operating for more than 15 years and serves over 30 hospitals and their patients in the Midwest. Headquartered in Chicago, it offers supplemental security income reimbursement services, including helping patients understand and navigate the reimbursement s application process, setting their protective filing date, assembling the needed documentation and providing them with well-trained advocates for their initial application, as well as representation during the appeal process if a claim is wrongly denied. Great Lakes Medicaid is a part of Great Lakes Family of Companies, which is an integrated family of companies that improves hospitals' financial recovery for services performed. Each of its companies is a fully independent unit that specializes in a particular type of health care financial concerns.