The National Institutes of Health (NIH), Office of the Director, Office of Acquisitions, intends to negotiate and award a firm-fixed-price purchase order on a non-competitive basis to Suburban Hospital, Inc. for an orthopedic hip replacement procedure and associated care for an NHLBI clinical research protocol participant. The procedure is limited to facilities where the participant's orthopedic specialist, Dr. Timothy Bhattacharya, holds clinical privileges. Performance is at Suburban Hospital, Inc., 8600 Old Georgetown Road, Bethesda, MD 20814. The associated NAICS code is 622110, with a small business size standard of $47 million, and the requirement is not set aside for small business.