These efforts are likely to have supported second-quarter revenues.The Zacks Consensus Estimate for CVS' Health Care Benefits arm revenues is pegged at $34.6 billion for the second quarter of 2025.PBM Strength and Drug Cost Management: Ahead of CVS Health's second-quarter results, its pharmacy benefit manager, Caremark, is expected to have played a critical role in mitigating the impact of rising branded drug costs despite intensifying regulatory scrutiny. CVS continues to highlight the value of PBMs, noting nearly $1 billion in savings from biosimilar conversions. Its CostVantage and TrueCost models, now covering over 75% of Caremark's commercial members, aim to boost pricing transparency and lower costs by tying reimbursements to drug prices and passing rebates directly to patients.