US Medical Tourism Market By Service Provider (Public and Private), By Service (Medical Treatment (Orthopedic & Spine Procedures, Oncology Procedures, Dental Procedures, Cardiac Procedures, and Others), Wellness Treatment (Rejuvenation Procedures, Cosmetic Procedures, and Others), and Alternative Treatment), Region and Companies – Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2025-2034