{"uid":"cap_4hF3E4qgZC5qjPc3UIXo4","slug":"npi-lookup-the-stall-x402-0ab155ee","name":"NPI Lookup — The Stall x402","description":"US NPI registry lookup — find any licensed US healthcare provider or organization by NPI number, name, state, or specialty. Returns NPI, entity type, name, credentials, specialty/taxonomy, license states, practice address, and active status. 7M+ records from CMS. Use for provider credentialing, healthcare due diligence, billing verification, or AML/KYB screening on medical payments.","url":"https://the-stall.intuitek.ai/cap/npi-lookup","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.021","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.021","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_HM7R1TKHWO3CS_g9QuPaf","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.021","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Looks up National Provider Identifier (NPI) records for healthcare providers by NPI number or provider attributes","exampleAgentPrompt":"Can you look up the NPI record for Dr. Jane Smith, a cardiologist in Texas — I need her address, taxonomy code, and organization affiliation?","exampleUseCases":null,"resultDescription":"Returns NPI registry record including provider name, NPI number, provider type (individual or organization), address, taxonomy/specialty codes, and organizational affiliations as registered in the NPPES NPI database.","failureModes":["NPI number not found — no matching record in registry","Invalid NPI format — NPI must be a 10-digit number","Provider not found by name search — try more specific parameters","Rate limit or payment failure on x402 — retry with sufficient USDC balance","Ambiguous query returns multiple results — narrow search criteria"],"whenToPreferThis":"Use this endpoint when you need to verify or retrieve NPI provider details without setting up accounts or API keys, paying only $0.004 USDC per lookup via x402 on Base mainnet. Ideal for healthcare data enrichment, provider credentialing checks, or validating NPI numbers programmatically in agent workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:47:47.010Z","isFirstParty":false}