AMBULANCE OWNERS OWED MILLIONS; A fast-growing L.I. dispatch company continues its nationwide expansion, but the Downstate Ambulance Association says its members are not getting paid on time

National MedTrans is already serving two plans in California, each with more than 200,000 members, and has inked a deal with a Chicago managed care plan that will start offering transportation benefits this year, company President Billy McKee, who is based in Salt Lake City, told Crain's in August.