@vbcriskanalytics

Chin Ramamoorthi

@vbcriskanalyticsJoined April 2026

Empowering healthcare organizations with smarter risk analytics and actionable insights for value-based care success.

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Chin Ramamoorthi's blogs

RAF Score, Explained Like You're Building the Formularafscorecalculator.hashnode.dev5 posts

Batch RAF Scoring at Scale: Throughput, Idempotency, and Auditability

Most teams build RAF scoring for one member and then discover, painfully, that "now do it for the whole population every night" is a different engineering problem. This deep-dive focuses on the three

Jul 29 · 5 min readrafscorecalculator.hashnode.dev

How to Score 100K+ Members Overnight: Designing a Batch RAF Pipeline

The shape of the problem Each member has demographics and a set of diagnosis codes. Something has to map codes → HCCs, apply the CMS-HCC V28 hierarchies, and sum the weights to produce a RAF. Per memb

Jul 27 · 5 min readrafscorecalculator.hashnode.dev

RAF Score 101: Definition, Formula, Worked Example

A compact reference you can keep open in a tab. No narrative — just the parts you need to reason about a RAF score. Definition RAF (Risk Adjustment Factor) = a relative predictor of a member's expecte

Jul 4 · 2 min readrafscorecalculator.hashnode.dev

Verifying Provider Credentials at Scale with an NPI Lookup API

Provider data is the quietly cursed dataset of healthcare engineering. Names change, practices merge, taxonomies get re-coded, and the same physician shows up three different ways across your systems.

Jun 25 · 4 min readrafscorecalculator.hashnode.dev

RAF Score, Explained Like You're Building the Formula

If you've ever had to implement risk adjustment instead of just read about it, you know the textbook definition ("a relative measure of expected cost") doesn't help much. So let's build the RAF score

Jun 18 · 3 min readrafscorecalculator.hashnode.dev

Chin Ramamoorthi

About

Available for

Chin Ramamoorthi's blogs

Batch RAF Scoring at Scale: Throughput, Idempotency, and Auditability

How to Score 100K+ Members Overnight: Designing a Batch RAF Pipeline

RAF Score 101: Definition, Formula, Worked Example

Verifying Provider Credentials at Scale with an NPI Lookup API

RAF Score, Explained Like You're Building the Formula

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Chin Ramamoorthi

About

Available for

Chin Ramamoorthi's blogs

Batch RAF Scoring at Scale: Throughput, Idempotency, and Auditability

How to Score 100K+ Members Overnight: Designing a Batch RAF Pipeline

RAF Score 101: Definition, Formula, Worked Example

Verifying Provider Credentials at Scale with an NPI Lookup API

RAF Score, Explained Like You're Building the Formula