Medicare and Medicare Advantage Coverage Policies for Ketamine Therapy

This dataset shows 2025 Medicare Advantage enrollment by parent organization. Each row lists a carrier, the number of covered lives in its MA products, its share of the national MA market, and the cumulative share when ranked from largest to smallest. Source fields document whether the figure comes from KFF’s July 2025 national enrollment update or from CMS’s August 2025 Monthly Enrollment by Contract file.