A 65-year-old woman in Houston can pay $5,300 a year for Medigap’s Plan C policy or she can buy a policy with exactly the same coverage from another insurance company for $1,700 a year. A 65-year-old Hartford, Connecticut, man can spend anywhere from $2,900 to $7,400 annually for the most popular and comprehensive Medigap policy – Plan F. The price disparity for Plan A for a 75-year-old man in Manchester, New Hampshire, is also large: anywhere from $1,820 to $6,301. These are fairly typical of the enormous differences in the premiums that consumers across the country are paying for their Medigap policies. The price disparities are “extraordinary and unable to be justified purely by the coverage that they’re offering,” said…