CRChin Ramamoorthiinrafscorecalculator.hashnode.dev·4d ago · 5 min readBatch RAF Scoring at Scale: Throughput, Idempotency, and AuditabilityMost 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 00
CRChin Ramamoorthiinrafscorecalculator.hashnode.dev·6d ago · 5 min readHow to Score 100K+ Members Overnight: Designing a Batch RAF PipelineThe 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 memb00
CRChin Ramamoorthiinrafscorecalculator.hashnode.dev·Jul 4 · 2 min readRAF Score 101: Definition, Formula, Worked ExampleA 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 expecte10
CRChin Ramamoorthiinrafscorecalculator.hashnode.dev·Jun 25 · 4 min readVerifying Provider Credentials at Scale with an NPI Lookup APIProvider 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.10
CRChin Ramamoorthiinrafscorecalculator.hashnode.dev·Jun 18 · 3 min readRAF Score, Explained Like You're Building the FormulaIf 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 10