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Medigap Plan G Prices Are Wacky: Association

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Some 65-year-olds who buy Medicare supplement (Medigap) “Plan G” coverage could end up paying about three times as much as their neighbors pay.

Those 65-year-olds could pay about five times as much for Plan G Medigap coverage as 65-year-olds in other cities.

The American Association for Medicare  Supplement Insurance (AAMSI) has published data on Plan G price variations in a new commentary.


The Westlake Village, California-based group produced the price analysis to promote a Medigap agent directory.

Medigap Basics

The Medicare Part A program covers hospital bills for people ages 65 and older, many people with Social Security Disability Insurance, and people with severe kidney disease. The Medicare Part B program covers physician and outpatient services bills. Together, the programs leave many holes in coverage. One reason for the “patient cost-sharing arrangements” is to discourage patients from seeking unnecessary or overly expensive care.

Each Medigap plan is supposed to offer a standardized package of benefits. Each package is designated by a letter, such as A, C or F. In the past, the most popular type of Medigap coverage has been Medigap Plan F — a rich policy that fills in just about all Original Medicare gaps.

Some policymakers have argued that Plan F encourages Medicare enrollees to get too much care. Because of that concern, Congress is now requiring insurers to phase out Plan F coverage. Instead, issuers are supposed to sell Medigap Plan G coverage. A Plan G policy covers all Original Medicare holes other than the Medicare Part B deductible.

People who were eligible to buy Medigap coverage before Jan. 1 can still buy Plan F coverage.

For other consumers, Medigap Plan G policies are now the richest Medigap policies available.

The Analysis

For the new price gap analysis, AAMSI looked at Plan G prices in specific ZIP codes in 10 large U.S. markets.

AAMSI found that, for a 65-year-old woman, monthly Plan G premiums ranged from a low of $99, in Dallas, up to a high of $476, in New York.

For a 65-year-old man, monthly Plan G premiums ranged from $106 in Dallas, up to $509 in Philadelphia.

AAMSI also found extreme price variations within many markets.

In Boston, for example, the most expensive Plan G policies cost only 22% more than the cheapest Plan G policies.

In five markets, however, the price gap amounted to at least 118% — meaning that the most expensive Plan G policy was more than twice as expensive as the cheapest.

In Philadelphia, the most expensive Plan G policies cost 250% more than the cheapest for women and 251% more for men.

In Dallas, the most expensive plans cost 249% more for men, and 284% more for women.

— Read Medicare Advantage Gains Enrollee Share, on ThinkAdvisor.

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