MAYFLOWER MEDICAL CASH REWARDS PROGRAM DETAILS: Points are accrued at each transaction and can be redeemed for Mayflower Cash on future purchases only at the threshold tiers listed above. Points and Mayflower Cash cannot be redeemed for cash or applied to previous purchases. All points expire on December 31st of each year and must be redeemed by that date. Any remaining points will be lost. A new accrual period starts January 1st of each year. Only valid at our Medical location in Boston.