The National Institutes of Health (NIH) Clinical Center in Bethesda, Maryland, requires taxi and rideshare transport services for patients and authorized personnel, including on-demand and scheduled trips to medical providers, lodging, and residences. The contract will be a single-award Indefinite Delivery/Indefinite Quantity (IDIQ) with a base year from June 1, 2026, to May 31, 2027, plus four one-year option periods, covering an estimated 14,000 trips annually. Performance will take place at the NIH Clinical Center, 10 Center Drive, Bethesda, Maryland 20892. This opportunity is a full and open competition, not set aside for small businesses, with evaluation factors including technical approach, personnel and vehicle qualifications, past performance, and price. No specific budget amount is provided in the description.