Cms Open Payments
live HealthGovernmentUSCMS Open Payments, with annual dataset discovery through the official DKAN API.
Tools
open_payments_top_companies Rank the drug and device manufacturers that paid US physicians and teaching hospitals the most in a program year — the "who spends the most on doctors" question. Returns each company with its total US
No parameters required.
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open_payments_search THE source for pharma/device industry money to doctors — "payments from manufacturers to physicians", "which drug companies paid this doctor", "Sunshine Act data", "industry payments to hospitals". Se
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open_payments_physician Find CMS Open Payments records for a physician/non-physician practitioner by exact NPI in one program year. Returns the authoritative total match count plus a bounded payment sample; reported relation
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open_payments_company Search payments reported by a manufacturer or GPO in one CMS Open Payments program year. Company matching is a case-insensitive substring and may combine similarly named legal entities.
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open_payments_product Search general-payment records associated with a named drug, biologic, device, or medical supply across all five CMS product slots. Product association is reporting-entity supplied and does not prove
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open_payments_research Search CMS research-payment records by company, recipient NPI, study name, or state for one program year. Amounts may represent funding routed through an institution and should not automatically be at
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open_payments_recipient_history Build a cross-year CMS Open Payments history for an exact recipient NPI. Returns authoritative annual match counts plus bounded samples; sampled dollar totals are explicitly not full-dataset totals.
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open_payments_company_history Build a cross-year CMS Open Payments history for a company-name substring. Annual counts are authoritative for that query; dollar figures cover only the returned bounded sample and company aliases may
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open_payments_product_history Build a cross-year general-payment history for a reported product-name substring across CMS product slots. Product association is reporter-supplied; sample dollar amounts are not complete annual total
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open_payments_compare_companies Compare 2–5 company-name queries across CMS Open Payments program years using authoritative match counts and clearly labeled bounded samples. This does not compare complete spend unless every matching
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open_payments_nature_breakdown Break down the bounded payment sample for one recipient, company, or product across years by reported nature of payment. Counts and dollars in the breakdown are sample statistics; annual total_matches
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Test with curl
The gateway speaks JSON-RPC 2.0 over HTTP POST. You can test any pack directly from the terminal.
curl -X POST https://gateway.pipeworx.io/cms-open-payments/mcp \
-H "Content-Type: application/json" \
-d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'curl -X POST https://gateway.pipeworx.io/cms-open-payments/mcp \
-H "Content-Type: application/json" \
-d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"open_payments_top_companies","arguments":{}}}'Use with the SDK
Install @pipeworx/sdk to call tools from any TypeScript/Node project.
import { Pipeworx } from '@pipeworx/sdk';
const px = new Pipeworx();
const result = await px.call("open_payments_top_companies", {});// Or ask in plain English:
const answer = await px.ask("cms open payments, with annual dataset discovery through the official dkan api");