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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
AI Made Pre-Pay Faster. It Didn't Make Post-Pay Optional.

AI is making pre-pay reviews faster, but is it enough? Discover why post-pay audits remain essential to uncovering hidden risks, strengthening controls, and preventing future overpayments.

Clarity from the front lines of payment integrity.

What Chart Review Reveals About Payment Integrity: The Code That Kept Paying

Medical codes change constantly, but payment integrity edits don’t always keep pace. Kathleen Haslam examines how outdated coding logic can allow improper payments to pass through clean claims—and why chart review, continuous edit maintenance and human oversight are critical to catching what automation alone can miss.

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“Paying the Same Fees Over and Over”: Is Your Post-Pay Program Actually Improving?

Michelle Frank explores why successful post-pay payment integrity programs must go beyond repeat recoveries by continuously developing new audit concepts, using AI to uncover missed opportunities, and turning findings into actionable insights that help prevent future overpayments.

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"The Most Expensive Words in Payment Integrity": A Q&A with Penstock President Steve Palma

A Q&A with Penstock President Steve Palma on why post-pay auditing remains essential, how health plans can validate payment controls, and where AI delivers real value in payment integrity.

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Payment Integrity Strategy: How Post-Pay Insights Improve Pre-pay Performance

Payment integrity isn’t solved by a single strategy. Learn how combining pre-pay and post-pay approaches helps health plans uncover errors, recover overpayments, and continuously improve outcomes.

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When the Claim Paid Anyway: What Post-Pay Reveals That Pre-Pay Can’t

What happens when claims pay despite the controls meant to stop them? Explore how post-pay analysis uncovers hidden gaps and strengthens future payment integrity strategies.

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From Recovery to Prevention: Rethinking the Role of Post-Pay Auditing

Post-pay auditing does more than recover dollars — it uncovers the root causes of recurring overpayments and drives the upstream corrections that keep them from happening again.

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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.

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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