Updated July 2, 2026
South Carolina draws a large number of retirees, which means a proportionally large Medicare population and a well-developed Medigap market. Plan G runs about $138 per month for a typical enrollee.
Things to Know About Medigap in South Carolina
- Plan G in South Carolina runs about $138 a month for a typical new enrollee, though age, sex, tobacco use and insurer all move that number.
- Every Plan G sold in South Carolina covers the same federally standardized benefits, so price and rating method are what actually separate one carrier from another.
- Your 6 month Open Enrollment window in South Carolina opens the month your Medicare Part B coverage starts, and no insurer can turn you down or charge more for health history during it.
- Miss that window in South Carolina and carriers can medically underwrite new applications, which can mean a higher rate or a declined application.
Medigap costs in South Carolina
The state's retiree-heavy demographics mean multiple carriers are actively competing for Medigap business, which can work in your favor when you shop. The benefits are identical across all of them: federal standardization means a Plan G is a Plan G regardless of who issues it: but premiums vary, sometimes by a notable margin on the same plan letter. It is worth requesting quotes from at least three or four carriers before choosing. The Medigap cost calculator gives an age-based starting estimate, and the plan comparison page covers what each plan letter includes.
Enrolling in South Carolina
South Carolina follows standard federal enrollment rules. Your 6-month guaranteed-issue window opens when Part B begins. During that window no insurer can turn you away or price you up based on health. After the window closes, underwriting is back in play. Many retirees moving to South Carolina from another state do so outside their original enrollment window, which means medical underwriting may apply unless they qualify for a special enrollment right. The open enrollment calculator clarifies your dates. The Medigap vs Advantage calculator can help you compare coverage approaches if you are still deciding.
FAQs
How much does Medigap Plan G cost in South Carolina?
Plan G premiums in South Carolina run around $138 a month for most new enrollees, though your exact rate depends on your age, sex, tobacco use and the insurer you choose.
When can I enroll in Medigap in South Carolina without medical underwriting?
Your 6 month Medigap Open Enrollment period in South Carolina starts the month your Medicare Part B coverage begins, and no insurer can deny you or charge more based on health history during that window.