Mark Farrah Associates Assessed Year-Over-Year Medicare Advantage and PDP Market Penetration and Performance

MCMURRAY, Pa.--(BUSINESS WIRE)--Mark Farrah Associates (MFA), www.markfarrah.com, assessed Medicare Advantage (MA), including Medicare Advantage with Prescription Drug Plan (MA-PD) and Prescription Drug Plan (PDP) performance, market share and market penetration by state as of March 1, 2025. Total MA membership stood at 34,601,557 and Medicare stand-alone PDPs covered 23,194,849 members.

Key highlights include:

• The top ten carriers cover 78.8% of all MA enrollees, with UnitedHealth remaining the market share leader with over 9.9 million enrolled.
• California experienced the most sizeable year-over-year increase, gaining over 123,000 members.
• Stand-alone PDPs experienced a notable increase of approximately 398,000 members between March 2024 and March 2025.
• Centene, CVS, UnitedHealth, Cigna, and Humana were the top five companies that currently dominate 89.5% of the PDP market.

Many companies conduct their post-OEP (Open Enrollment Period) competitive assessments by using tools such as Mark Farrah Associates’ (MFA) Medicare Business Online™ and Health Coverage Portal™ to evaluate any changes in their market standings.

To read the FREE full text of “Growth Rate for Medicare Advantage Plans Slowed in 2025", visit the Analysis Briefs library on Mark Farrah Associates' website.

About Mark Farrah Associates (MFA)

Mark Farrah Associates (MFA) is a leading data aggregator and publisher providing health plan market data and analysis tools for the healthcare industry. MFA’s Medicare Business Online™ (MBO) product simplifies the tracking of monthly Medicare Advantage and PDP enrollment by competitor. The Medicare Benefits Analyzer™ presents benefit copay comparisons across hundreds of benefit attributes by plan as reported in the Plan Finder on Medicare.gov. MFA also offers Med Supp market data enrollment and financial insights for companies interested in Medicare Supplement business. Committed to simplifying analysis of health insurance business, our products also include: Health Coverage Portal™, County Health Coverage™, Health Plans USA™ and 5500 Employer Health Plus. Follow us on LinkedIn!