See the U.S. medical group landscape with greater clarity.

IQVIA’s Top 50 Medical Group Parents Report 2026 gives commercial, marketing, and analytics teams a focused view of the nation’s largest medical group parent organizations. helping them understand where providers are connected, which specialties matter most, and how to target stakeholders with confidence.

The report profiles 50 leading organizations that collectively manage 30,876 medical group sites and employ nearly 200,000 physicians. Explore rankings by physician affiliations, unique physicians, and medical group count, alongside specialty-level insights spanning primary care and high-value clinical disciplines.

Download the full report to understand more.