OMOPHub
OMOPHub
The vocabulary stack for healthcare data teams
Overview
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OMOPHub gives healthcare data teams instant API access to the OHDSI standardized vocabularies: 11M+ concepts across 120+ vocabularies, including SNOMED CT, ICD-10, LOINC and RxNorm. It offers semantic and multilingual search, cross-vocabulary mappings, hierarchy navigation, FHIR-to-OMOP resolution, a FHIR terminology service, Python/R/Node SDKs and an MCP server for AI agents. Pricing is simple: the free plan includes 3,000 API calls per month with no card required and no overage charges. Paid plans scale up for production workloads, and private cloud deployment is available. OMOPHub is a bootstrapped company founded in 2025 by Alex Chen.
Key Features
Semantic and multilingual concept search; Cross-vocabulary mappings and hierarchy navigation; FHIR-to-OMOP resolution and FHIR terminology service; Python, R and Node SDKs; MCP server for AI agents
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Best For
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Healthcare data engineers mapping source codes to OMOP standard concepts; Developers building FHIR-to-OMOP pipelines; Researchers running real-world evidence studies; Teams building AI agents that need clinical terminology; Teams skipping ATHENA downloads
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