Areas We Serve United Prosthetics serves all of Eastern Massachusetts including Boston, South Shore, North Shore, Metro West, and beyond. Some of the areas we serve are: Allston, MABack Bay, MABeacon Hill, MABraintree, MABrookline, MACambridge, MA Canton, MA Charlestown, MA Chelsea, MAChestnut Hill, MADedham, MA Dorchester, MAEverett, MA Fenway, MAFoxborough, MAHanover, MA Hingham, MAHolbrook, MA Medford, MA Medway, MAMilton, MA Natick, MANewton, MAPeabody, MA Provincetown, MAQuincy, MA Randolph, MARevere, MARockland, MASouth End, MA Watertown, MAWestwood, MAWeymouth, MA