[header] How to get a free medicare supplement rate quote [title] Check with your own insurance carrier. [step] You may contact any insurance company that is licensed to sell supplemental medigap insurance in your state. The same companies are not necessarily licensed from one state to another. 
Also, a company that is licensed to sell some forms of insurance may not be licensed in your state to sell medigap supplemental health insurance. [substeps] As a first contact, you can try calling the company that already provides your medical insurance, or even home or auto insurance.