An ambulance provider in San Antonio has declared bankruptcy after racking up large debts with two federal agencies. E&D Enterprises LLC, which operates as Rapid Care, filed for Chapter 11 bankruptcy protection in a San Antonio federal court Friday. Between Jan.1 and May 1, the privately-owned medical transportation company made $275,000 but spent $559,000, leaving it $284,000 in debt, according to the bankruptcy filing. It lists its largest creditors as the Internal Revenue Service and the U.S.…