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Insights

Accuracy starts with insight.

Penstock shines a light on the patterns, processes, and system behaviors that shape payment accuracy. Explore the cases, perspectives, and practical guidance that help plans recover more, prevent more, and move payment integrity forward.

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Insights
Vendor Stacking in Payment Integrity: 6 Reasons Health Plans Are Adopting a Layered Post-Pay Strategy

As payment integrity challenges grow more complex, many health plans are moving beyond a single-vendor model and adopting a layered post-pay strategy. Vendor stacking allows organizations to combine specialized expertise, strengthen audit coverage, and improve overpayment recovery by applying multiple methodologies across the same claims environment.

Clarity from the front lines of payment integrity.

Insights

Accuracy starts with insight.

Penstock’s thought leaders surface the patterns, processes, and system behaviors that shape payment accuracy. Explore perspectives grounded in real claim work—practical guidance, emerging trends, and expert analysis designed to help plans recover more, prevent more, and advance payment integrity.

Case Studies

Deeper review. Clearer outcomes. Proven impact.

Every case study follows the same arc: attention uncovers what automation and surface-level review miss. See how deeper investigation reveals systemic issues, strengthens provider conversations, and returns meaningful dollars to plans.

News

Milestones, momentum, and moments that move us forward.

Every case study follows the same arc: attention uncovers what automation and surface-level review miss. See how deeper investigation reveals systemic issues, strengthens provider conversations, and returns meaningful dollars to plans.

Has your PI strategy stalled? Big promises, flat results?

It might be time for a fresh look.

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