Outpatient Services Market Size, Share & Industry Analysis, By Service Type (Consultation & Evaluation Services, Diagnostic Services, Ambulatory Procedures & Surgical Services, Therapeutic & Treatment Services), By Age Group (Adults and Pediatric), By Clinical Need (Acute Care, Chronic Care, and Others), By Care Delivery Setting (Hospital Outpatient Departments, Physician Offices & Medical Practices, Ambulatory Surgery & Procedure Centers, Freestanding Specialty Outpatient Centers), By Ownership (Private For-Profit, Private Nonprofit, Public/Government), and Regional Forecast, 2026-2034