The Impact of Primary Care Spending on Healthcare Quality: Insights from Medi-Cal and Medicare Advantage Models

Charles DeShazer

Hatched by Charles DeShazer

Nov 29, 2025

3 min read

0

The Impact of Primary Care Spending on Healthcare Quality: Insights from Medi-Cal and Medicare Advantage Models

In recent years, the conversation surrounding healthcare has increasingly centered on the importance of primary care as a foundational element of an effective healthcare system. Two recent studies shed light on the relationship between primary care spending and care quality, highlighting significant variations across different healthcare models. By examining the Medi-Cal managed care plans in California and the Medicare Advantage programs, we can draw valuable insights into how financial investments in primary care can lead to improved health outcomes.

The study of 13 Medi-Cal managed care plans revealed a striking disparity in primary care spending, ranging from $8.85 to $61.24 per member per month. This translates to primary care accounting for approximately 11% of healthcare dollars spent, with a notable variation between 5% and 19%. Such a wide range raises critical questions about the allocation of resources and the impact on care quality. In fact, the research found that plans with a higher percentage of spending on primary care outperformed their counterparts on nine out of eleven quality metrics. Three of these metrics met criteria for statistical significance and aligned with state health priorities, underscoring the direct correlation between financial investment in primary care and quality of care delivered.

These findings are particularly timely, as California has recently established the Office of Health Care Affordability. This initiative aims to promote a greater emphasis on primary care within the state's healthcare delivery system, suggesting a shift towards recognizing the pivotal role that primary care plays in achieving better health outcomes for populations.

In contrast, a separate study focusing on Medicare Advantage programs, specifically those employing a 2-sided risk model, provides a complementary perspective on the importance of financial structures in healthcare delivery. This cohort study involving over 316,000 individuals found that physicians operating within a 2-sided risk Medicare Advantage model delivered care of higher quality and efficiency compared to those in traditional fee-for-service (FFS) Medicare programs. The risk adjustment system implemented in Medicare Advantage is designed to align capitation payments with the healthcare needs of individual beneficiaries, thereby incentivizing the development of infrastructure that supports quality improvement and efficiency.

The results from both studies point to a significant insight: there is a demonstrable link between how much is spent on primary care and the quality of care that patients receive. The financial models in place—whether through managed care plans or Medicare Advantage—play a crucial role in shaping the quality of healthcare services and outcomes.

Given this understanding, here are three actionable pieces of advice for stakeholders in the healthcare system:

  1. Invest in Primary Care: Healthcare organizations should evaluate their spending on primary care services and consider increasing investment in this area. A larger allocation of resources to primary care can lead to better patient outcomes and overall healthcare quality, as evidenced by the findings from the Medi-Cal study.

  2. Adopt Value-Based Payment Models: Policymakers and healthcare administrators should explore the implementation of value-based payment models similar to the 2-sided risk model in Medicare Advantage. These models encourage providers to focus on quality and efficiency, aligning financial incentives with patient care outcomes.

  3. Enhance Data Transparency: Both state and federal healthcare programs should prioritize transparency in spending and quality metrics. By making data on primary care spending and care quality publicly available, stakeholders can better understand the effectiveness of different healthcare models and make informed decisions about resource allocation.

In conclusion, the studies on Medi-Cal and Medicare Advantage reveal a clear connection between primary care spending and healthcare quality. As states and healthcare systems look to improve outcomes and manage costs, a renewed focus on primary care investment and innovative payment models will be essential. By implementing actionable strategies that prioritize quality and efficiency, we can work towards a more effective and equitable healthcare system for all.

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