HealthPlanExplorer.com: Search & parse insurance plan MRF Files
Been exploring the Transparency in Coverage Rule (https://www.cms.gov/healthplan-price-transparency) that forces every health insurer to publish their contract rates with every provider they have in network in a machine readable format (json files) These published files are massive (about a petabyte of data a month with individual files up to 20GB) and a PITA to dig through. We built HealthPlanExplorer.com to make it easy to search the files. You can: - choose any in network file (as many as you want) - search by National Provider Identifier (NPI) - search by CPT Code And…
In plain words
HealthPlanExplorer.com helps users search and parse the massive machine-readable files that health insurers must publish under the Transparency in Coverage Rule. The tool allows searching insurance plan rates by National Provider Identifier or CPT code across multiple files and exports results as CSV. It is designed for anyone needing to access contract rate data from insurance providers without manually downloading and processing gigabyte-sized JSON files. The site makes accessible what would otherwise be extremely difficult to dig through.
written from the facts on this page · September 2026
From the sources
In the maker’s words, at launch
Been exploring the Transparency in Coverage Rule (https://www.cms.gov/healthplan-price-transparency) that forces every health insurer to publish their contract rates with every provider they have in network in a machine readable format (json files) These published files are massive (about a petabyte of data a month with individual files up to 20GB) and a PITA to dig through. We built HealthPlanExplorer.com to make it easy to search the files. You can: - choose any in network file (as many as you want) - search by National Provider Identifier (NPI) - search by CPT Code And we'll generate a CSV with the results. If the items you search for aren't found, we'll give you the full export. Next up, we'll make it queryable so you can do different cuts much more quickly.
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