For health plans that do not have member-selected PCPs (most PPO plans, traditional Medicare, many Medicare Advantage plans without HMO product design), the attribution-of-record for Provider Access has to come from somewhere. Two method...
Deterministic vs Probabilistic Member Match for Payer-to-Payer
The algorithmic question underneath every Member Match implementation is whether to match deterministically (exact identifier comparison), probabilistically (weighted similarity scoring), or in a combined model. CMS-0057-F does not presc...
CDS Hooks vs FHIR Subscriptions for EHR-Payer Notification
When a payer needs to notify an EHR of an event (PA decision rendered, member transferred, eligibility changed), two FHIR-native mechanisms apply. CDS Hooks is a workflow-triggered pattern: the EHR calls the payer service at a specific d...
Best TEFCA-Integrated Payer-to-Payer Solutions in 2026
TEFCA (the Trusted Exchange Framework and Common Agreement) was designed to handle clinical data exchange across the US healthcare system through Qualified Health Information Networks (QHINs). For Payer-to-Payer Data Exchange under CMS-0...
Best Practices for FHIR Bulk Data IG Conformance in 2026
The FHIR Bulk Data Access IG (STU 2.0.0 in the version current for 2026) is what Inferno tests against for CMS-0057-F conformance. The IG looks short, but the practical conformance bar covers more than the spec text suggests. Production ...
Best Practices for Epic Integration with Payer FHIR APIs
Epic is the largest US EHR by patient volume and the most consequential single integration target for CMS-0057-F provider-side workflows. Payers that want Da Vinci CRD prompts to fire reliably, DTR SMART apps to launch cleanly, and PAS s...
Best Practices for 5-Year History Transfer Under CMS-0057-F
The five-year history transfer is the data-heaviest part of Payer-to-Payer Data Exchange. The CMS-0057-F requirement assumes the prior payer can produce five years of clinical and claims data for a single member, package it as a clean FH...
Best DTR SMART App Patterns for Provider Workflows in 2026
The Documentation Templates and Rules (DTR) component of Da Vinci ePA renders the payer-specific questionnaire inside the provider EHR as a SMART app. The provider does not leave their workflow; the DTR app launches in context, runs the ...
Best Attribution-of-Record Patterns for CMS-0057-F Provider Access
The attribution-of-record is the answer to a deceptively complex question: which provider does this member belong to for the purpose of Provider Access data sharing. CMS-0057-F leaves the attribution methodology to the payer, but the pay...
5 Patterns for Member Opt-Out in FHIR Bulk Data Exports
CMS-0057-F Provider Access does not require per-request member consent, but it does require member opt-out support. A member can decline to have their data shared via Provider Access at any time, and the payer must honor the opt-out for ...