https://fhirfly.io/blog Healthcare interoperability, FHIR APIs, and developer tools from FHIRfly. en-us Tue, 28 Apr 2026 19:49:13 GMT https://fhirfly.io/blog/information-blocking-enforcement https://fhirfly.io/blog/information-blocking-enforcement ONC is issuing nonconformity letters to EHR vendors. OIG can stack $1M fines per violation. Nearly 1,600 complaints are in the queue. Here's what health IT developers need to know. Tue, 28 Apr 2026 14:00:00 GMT compliance information-blocking onc cures-act fhir https://fhirfly.io/blog/agentic-prior-auth-mcp-cms-0057 https://fhirfly.io/blog/agentic-prior-auth-mcp-cms-0057 CMS-0057-F puts payers on a 72-hour clock for expedited prior auth. LLM agents can close the gap — but only if they're grounded against NCCI, MUE, coverage, and terminology data they can trust. Thu, 16 Apr 2026 16:00:00 GMT prior-authorization cms-0057 mcp agents ncci https://fhirfly.io/blog/what-rural-hospitals-actually-need https://fhirfly.io/blog/what-rural-hospitals-actually-need The $50B is flowing and September's deadline looms. Rural hospitals don't need another framework — they need tools that work today. Wed, 08 Apr 2026 14:00:00 GMT rural-health interoperability fhir cms terminology https://fhirfly.io/blog/azure-api-for-fhir-retirement https://fhirfly.io/blog/azure-api-for-fhir-retirement Microsoft is shutting down Azure API for FHIR on September 30, 2026. Here's what breaks, what the migration looks like, and what your realistic options are. Tue, 07 Apr 2026 16:00:00 GMT fhir interoperability azure migration infrastructure https://fhirfly.io/blog/fhir-builder-v1-fluent-fhir-resource-builder https://fhirfly.io/blog/fhir-builder-v1-fluent-fhir-resource-builder Build valid FHIR R4 resources in TypeScript with a fluent API. Zero dependencies, 13 resource builders, build-time validation, and bundle reference resolution. Mon, 06 Apr 2026 16:00:00 GMT fhir sdk open-source typescript tutorial https://fhirfly.io/blog/ai-coding-assistant-fhir-enrichment https://fhirfly.io/blog/ai-coding-assistant-fhir-enrichment How a solo developer can use AI coding assistants to discover the FHIRfly SDK and build production-quality FHIR data enrichment in a single session. Thu, 26 Mar 2026 19:19:23 GMT sdk fhir ai tutorial rural-health https://fhirfly.io/blog/ai-agents-drug-interaction-screening https://fhirfly.io/blog/ai-agents-drug-interaction-screening How AI agents can use FDA-approved drug interaction text and RxNorm enrichment to screen medication lists — with working code and architecture patterns. Wed, 25 Mar 2026 23:01:21 GMT ai ddi agents clinical-safety api https://fhirfly.io/blog/50b-rural-health-it-opportunity https://fhirfly.io/blog/50b-rural-health-it-opportunity CMS is distributing $50 billion to modernize rural healthcare — and interoperability is a scored funding priority. Here's what the program means for health IT. Fri, 20 Mar 2026 19:49:12 GMT rural-health interoperability cms fhir policy https://fhirfly.io/blog/uk-health-terminology-dmd-opcs4 https://fhirfly.io/blog/uk-health-terminology-dmd-opcs4 FHIRfly adds dm+d and OPCS-4 APIs — bringing NHS medicines and procedure classifications to the same platform as NDC, RxNorm, and ICD-10. Thu, 19 Mar 2026 15:32:53 GMT fhir uk-health dmd opcs4 interoperability https://fhirfly.io/blog/the-98-percent-problem https://fhirfly.io/blog/the-98-percent-problem The API call is 2% of the work. The other 98% — LOINC normalization, FHIR conversion, compliance — is where healthcare AI teams actually spend their time. Wed, 18 Mar 2026 16:07:39 GMT ai terminology loinc fhir tutorial https://fhirfly.io/blog/payer-interoperability-deadlines-slipping https://fhirfly.io/blog/payer-interoperability-deadlines-slipping CMS pushed the prior authorization API deadline to 2027 — and a new WEDI survey shows zero providers have reported implementation progress. Here's what developers building against these APIs should plan for. Mon, 16 Mar 2026 21:58:44 GMT cms interoperability prior-authorization fhir policy https://fhirfly.io/blog/developer-starting-point-for-fhir https://fhirfly.io/blog/developer-starting-point-for-fhir David Hay's latest guide distills FHIR into its essential concepts. Here's what it means for developers building healthcare apps today. Fri, 13 Mar 2026 22:33:48 GMT fhir interoperability api tutorial https://fhirfly.io/blog/npi-lookup-search-providers-tutorial https://fhirfly.io/blog/npi-lookup-search-providers-tutorial Every healthcare app needs provider data. Here's how to search, look up, and filter the NPI registry from TypeScript — with code you can ship today. Fri, 13 Mar 2026 15:53:46 GMT npi tutorial sdk provider-directory api https://fhirfly.io/blog/mcp-or-api-how-your-tools-should-shape-your-integration https://fhirfly.io/blog/mcp-or-api-how-your-tools-should-shape-your-integration MCP or REST API? The right integration for healthcare AI depends on what you're building. Here's how to choose — and why FHIRfly supports both. Thu, 12 Mar 2026 15:04:16 GMT mcp api sdk ai-agents interoperability https://fhirfly.io/blog/ai-tools-dont-fail-data-infrastructure-fails-them https://fhirfly.io/blog/ai-tools-dont-fail-data-infrastructure-fails-them More than 85% of healthcare AI pilots never scale. The reason isn't the models — it's the fragmented, unstandardized data underneath them. Wed, 11 Mar 2026 14:53:36 GMT ai interoperability fhir data-infrastructure healthcare-it https://fhirfly.io/blog/smart-health-links-qr-code-tutorial https://fhirfly.io/blog/smart-health-links-qr-code-tutorial Build encrypted, patient-controlled health records that anyone can scan. A step-by-step guide to SMART Health Links with the @fhirfly-io/shl SDK. Tue, 10 Mar 2026 19:35:08 GMT shl tutorial sdk fhir patient-access https://fhirfly.io/blog/healthcare-apis-ai-agent-toolchains https://fhirfly.io/blog/healthcare-apis-ai-agent-toolchains AI agents discover healthcare APIs through Context Hub, MCP, and typed SDKs — not your marketing site. Here's how to make your API agent-ready. Mon, 09 Mar 2026 19:13:57 GMT ai mcp agents sdk tool-use https://fhirfly.io/blog/validating-fhir-code-systems-patient-access-api https://fhirfly.io/blog/validating-fhir-code-systems-patient-access-api How to validate NDC, ICD-10, LOINC, and NPI codes in your Patient Access API before the March 31 CMS reporting deadline. Fri, 06 Mar 2026 17:31:22 GMT fhir cms sdk compliance tutorial https://fhirfly.io/blog/build-medication-agent-with-claude https://fhirfly.io/blog/build-medication-agent-with-claude Build a TypeScript agent that uses Claude's tool-use protocol to query verified medication data from FDA and NLM sources — no hallucinated drug codes, no invented interactions. Thu, 05 Mar 2026 17:31:27 GMT tutorial ai sdk tool-use medications https://fhirfly.io/blog/rag-vs-mcp-grounding-healthcare-ai https://fhirfly.io/blog/rag-vs-mcp-grounding-healthcare-ai RAG helps with unstructured knowledge, but structured clinical data needs a different approach. MCP tool-use gives LLMs direct access to authoritative sources. Mon, 23 Feb 2026 22:40:15 GMT mcp rag hallucinations healthcare-ai clinical-data https://fhirfly.io/blog/rural-health-transformation-interoperability https://fhirfly.io/blog/rural-health-transformation-interoperability The Rural Health Transformation Program commits $50B over five years to modernize rural healthcare. Health IT interoperability is the mandate that makes it work. Fri, 20 Feb 2026 21:31:17 GMT rural-health interoperability cms fhir policy https://fhirfly.io/blog/cms-access-model-fhir-requirements https://fhirfly.io/blog/cms-access-model-fhir-requirements CMS's ACCESS model mandates FHIR-based outcome reporting for chronic care. With 15 payers and 165M members aligned, here's what it means for developers. Thu, 19 Feb 2026 16:13:39 GMT fhir cms interoperability compliance https://fhirfly.io/blog/ssa-joins-tefca-federal-fhir-adoption https://fhirfly.io/blog/ssa-joins-tefca-federal-fhir-adoption The Social Security Administration is joining the TEFCA network via FHIR APIs. Here's what this milestone means for healthcare developers. Wed, 18 Feb 2026 22:28:59 GMT fhir tefca interoperability federal api https://fhirfly.io/blog/terminology-is-the-differentiator https://fhirfly.io/blog/terminology-is-the-differentiator The winners in healthcare AI won't have the best models — they'll have the cleanest data. Here's why terminology management is the competitive edge. Tue, 17 Feb 2026 21:20:27 GMT ai terminology data-quality fhir interoperability https://fhirfly.io/blog/integration-is-the-bottleneck https://fhirfly.io/blog/integration-is-the-bottleneck The most advanced AI becomes useless when it can't access patient data. The real bottleneck in healthcare AI isn't models — it's integration. Mon, 02 Feb 2026 21:46:51 GMT ai integration infrastructure healthcare-it