Independent product intelligence · Worldwide · 2026-05-01 → 2026-07-31

NPI Lookupnpilookup.io

NPI Lookup is an AI-powered platform that allows users to search, validate, and access information about healthcare providers' National Provider Identifier (NPI) numbers using natural language queries.

Research & Analysisnpilookup.ioTracked since 2026-08-211 discovery source
864Backlinks
153Referring domains
48Domain authority
-44.4%Referring domains · 90 days

Authority & distribution

How strong is NPI Lookup’s web footprint?

Backlinks measure accumulated distribution; referring domains show how broadly that authority is spread. Both are observable on the open web, so both are published for every product here.

Backlinks

864Current snapshot

Referring domains

153Current snapshot

Authority

48Domain authority · category median 21

90-day move

-44.4%Referring domains, last 90 days
At 48, NPI Lookup sits above the 21 median for its category.

Trajectory · Pro

The counts above are the latest of 370 daily observations. The curve through them is on the full profile.

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Traffic & engagement

Where NPI Lookup ranks

Measured · Pro

Measured for this product: global rank and country rank.

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AI referral visibility

Which AI assistants are already sending NPI Lookup traffic?

Measured · Pro

Measured for this product: AI referral traffic.

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Product profile

What NPI Lookup is selling.

Traffic makes more sense when you can connect it to the actual product promise.

“NPI Lookup”

NPI Lookup is an AI-powered platform that allows users to search, validate, and access information about healthcare providers' National Provider Identifier (NPI) numbers using natural language queries.

Research & AnalysisSeen 2026-08-21 → 2026-08-21Coverage tier C

What we have measured

4 of 8 signal groups are available for this product: identity, authority and backlinks, AI referrals, search demand.

Not measured for this domain: traffic and engagement, audience demographics, country distribution, acquisition mix. Those sections are left out of the page rather than filled with estimates.

Canonical website: https://npilookup.io

Observed across 1 discovery source.

Research questions

What the evidence answers about NPI Lookup.

Every answer is tied to a source we collected, and the questions with no evidence behind them are left unanswered rather than guessed.

What does NPI Lookup do?

NPI Lookup is an AI-powered platform for searching, validating, and accessing information about healthcare providers' National Provider Identifier (NPI) numbers using natural language queries. It provides insights and answers to queries related to NPI profiles for doctors, hospitals, and other providers in the United States.

What problem does NPI Lookup solve?

NPI Lookup solves the problem of tedious manual searches for healthcare provider information. It allows users to search provider records and ask questions about a healthcare provider's NPI profile in natural language, eliminating the need for manual data entry.

What features does NPI Lookup offer?

NPI Lookup offers an AI-powered search facility to ask any question about a healthcare provider's NPI profile in natural language. It provides access to a directory of over 7.5 million doctors, hospitals, and other providers, with data synchronized with the latest NPPES NPI database.

How is NPI Lookup priced?

The evidence states that NPI Lookup is 'The best free NPI Lookup tool,' indicating that the service is available at no cost.

What is NPI Lookup used for?

NPI Lookup is used to find the latest information about medical practitioners in the United States. It is a platform for verifying and accessing information about healthcare providers and entities participating in the US healthcare system.

Who is NPI Lookup for?

NPI Lookup is for anyone needing to find, validate, or access information about US healthcare providers' NPI numbers, including details like address, contact information, specialization, and taxonomy.

What is NPI Lookup?

NPI Lookup is an AI-powered platform for finding the latest information about medical practitioners present in the United States. It is the world's first AI-powered platform for searching for National Provider Identifier (NPI) details.

Behind the lock

Unlock full NPI Lookup intelligence.

  • Backlink trajectoryThe figures above are the latest observation. The daily curve behind them holds 370.
  • AI referral detailHow much traffic assistants send.
  • Search structure and ranking depthOrganic against paid, brand against non-brand, and how many keywords rank in the top three against the long tail — which is what decides whether the demand is portable or tied to the name.
  • The rest of the marketPage through every leaderboard 100 rows at a time, put any five products side by side, and query the whole dataset over API / MCP.

Worldwide estimates · Data period 2026-05-01 → 2026-07-31. Figures are measured estimates intended for market research. Signals we have not measured for this domain are omitted, never estimated; a measured zero is still reported as zero. How this was measured