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How can we help?
Most of what people ask is below. For everything else, a human reads every email.
Getting started
Files, formats, and your first free credits.
The National Provider Identifier is a 10-digit identifier used for covered health care providers in HIPAA standard transactions. Type 1 NPIs identify individuals, such as physicians or nurse practitioners; Type 2 NPIs identify organizations, such as group practices, clinics, and hospitals. Claims, referrals, and directories often key on it, which is why a wrong digit can be expensive.
A CSV with a header row. Beyond that, any combination of details works: names, practice addresses, cities, states, ZIPs, phone numbers, and specialties. More supporting details can produce a higher-confidence result, but even a name and state are enough to start an investigation.
No. Messy files are the expected input. The agent handles nicknames (Mike → Michael), misspellings, “Last, First” formats, credentials glued to names, marketing names, former names, and DBAs. It can also flag internal inconsistencies it finds, like a state column that disagrees with the ZIP.
Uploaded tables can hold up to 50,000 rows. Rows run in parallel and appear in the grid as they finish. You control how many rows process at once. Split very large jobs into manageable passes so you can review cost and results.
Yes. Set the NPI type filter when you map columns: Auto, Type 1 (individuals), or Type 2 (organizations). It's enforced inside the engine, so a row filtered to organizations can never come back with a person's NPI.
Results and accuracy
Confidence grades, no-matches, and how the gate works.
Every answer must pass the name-identity gate. The chosen NPI's registered name must represent your entity, meaning the same person or organization. Address, ZIP, and phone can support a name match and set the confidence grade, but they can never replace one. A different practice in the same building is rejected even when the address matches.
High: the registered name matches, and a street or ZIP match supports it. This is the best candidate for routine review.
Medium: the name matches, but the location evidence is weaker or missing. Missing address data caps confidence at medium.
Low: the match is plausible but has little supporting evidence. Review the per-row reasoning to see what is missing.
It means the investigation checked registry and public evidence but found no NPI record it could support as the same entity. You get the reasoning and the sources it checked. For directory cleanup, a well-explained no-match can be one of the most useful results in the file.
Not necessarily. Organizations hold many NPIs across locations, and individual providers move. A record whose name clearly matches your entity can still be valid at a different address. It receives a lower confidence grade so you know to review it. The result shows the registry address beside yours.
NPI Finder searches the official CMS NPPES Registry first. It uses the public web for misspellings, marketing names, and practice websites the registry cannot see. Before a candidate can receive high confidence, NPI Finder checks its digits and verifies it against NPPES. An unverified fallback receives low confidence and a note in the reasoning.
Open the row to see the reasoning, candidate NPIs, and source URLs. If something looks wrong, rerun the row for 1 credit or send the batch reference to support@npi-finder.com. We'll investigate.
Billing and credits
Costs, credit-backs, and the ledger.
Every account gets 20 free credits each calendar month, with no card required. After that each row run costs 1 credit, and $1 buys 4 credits. There's no subscription and no minimum. Full details on the pricing page.
No. All credit purchases are final. Credits have no cash value, can't be transferred, and are never converted back to money. Once a row starts running, its credit is spent. They also never expire, so an unused balance simply waits for your next batch.
Automatically, whenever a row fails for reasons on our side, including system errors or runs you cancel before a row completes. The credit returns to your balance with its own ledger entry as service credit. Completed research stays charged, including no-matches, because the investigation ran.
Add between $5 and $1,000 at a time through Stripe checkout, so card details never touch our servers. Credits post to your balance immediately at face value, receipts arrive by email, and every movement is visible in your billing ledger inside the app.
No. Your balance carries forward until you spend it.
If you're resolving tens of thousands of rows or need invoiced billing, email support@npi-finder.com with your expected volume and we'll set something up.
Data and privacy
What you should upload, and what happens to it.
Provider business data: names, practice addresses, phone numbers, specialties. This is the kind of information that appears in public provider directories. Don't upload patient data or anything containing PHI; NPI Finder is built for looking up provider identity, not patient records.
Our resolution pipeline processes your rows only to resolve them. It includes LLM and web-search providers. Results are stored in your account so you can return to your batches. We never sell your data, share it for advertising, or use it to market to providers in your file.
Yes. Batches can be deleted from your home screen at any time. For a full account deletion, email support@npi-finder.com from your account address.
Sign-in uses verified email and password accounts with httpOnly session cookies. Stripe handles payments, so we never see or store card numbers. Your credit balance and ledger are linked to your verified email in our database.
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