NPI Registry API & US Healthcare Provider Leads

Search the official NPI Registry of the US government by specialty, state, city or ZIP code and get every doctor, dentist, clinic, pharmacy, therapist and home health agency there, with:

• the practice phone, fax and address;
• the specialty (taxonomy) with its state license number;
• the authorized official of each organization, with title and phone;
• the date the NPI was issued, so you can find new practices and newly licensed practitioners.

No account, no API key, no proxies: the data comes from the NPPES NPI Registry API of the Centers for Medicare & Medicaid Services (CMS), which publishes it under the Freedom of Information Act and updates it daily.

Who uses it

• Healthcare suppliers and vendors (dental and medical supplies, EHR and practice software, medical billing, credentialing, staffing, insurance): every practice of a specialty in a territory, with phone and the owner or administrator.
• New-practice prospecting: practices whose NPI was issued in the last weeks are opening now and buying equipment, software, insurance and marketing.
• Recruiters and staffing agencies: practitioners by specialty, credential and city.
• Data teams: verify and enrich lists of NPI numbers (name, specialty, license, address, status).

What you get

One record per provider (NPI):

Field	Example
npi, providerType	1154494250, organization (practices, clinics, groups) or individual (practitioners)
name, organizationName, firstName, lastName, credential	360 DENTAL CARE P.A.; for people, KURT WILLIAM EDEKER, DC
primarySpecialty, primaryTaxonomyCode	Dentist, General Practice, 1223G0001X
licenseNumber, licenseState	16292, TX
specialties	Every taxonomy of the provider, the primary one first
phone, fax	512-327-3631, 512-327-2234 (of the primary practice location)
address, address2, city, state, zip, zipPlus4	3660 STONERIDGE RD STE B101, AUSTIN, TX, 78746, 78746-7759
mailingAddress	The mailing address on one line
authorizedOfficialName, authorizedOfficialTitle, authorizedOfficialPhone, authorizedOfficialCredential	MICHAEL B NUSSBAUM, President, 512-327-3631, D.D.S. (organizations)
otherNames	Doing-business-as and former names of organizations
otherLocations	Other practice locations with their phone
endpoints	Direct secure messaging addresses and other electronic endpoints the provider published
soleProprietor	For individuals: true when they practice as a sole proprietor
enumerationDate, lastUpdated, status	When the NPI was issued and last updated; active
foundBy, registryUrl, retrievedAt	The search that found it, the provider's page in the registry and when it was read
change	With Only new: new or updated

Example record:

{
  "npi": "1154494250",
  "providerType": "organization",
  "name": "360 DENTAL CARE P.A.",
  "primarySpecialty": "Dentist, General Practice",
  "licenseNumber": "16292",
  "licenseState": "TX",
  "phone": "512-327-3631",
  "fax": "512-327-2234",
  "address": "3660 STONERIDGE RD STE B101",
  "city": "AUSTIN",
  "state": "TX",
  "zip": "78746",
  "authorizedOfficialName": "MICHAEL B NUSSBAUM",
  "authorizedOfficialTitle": "President",
  "otherNames": [{ "type": "Doing Business As", "name": "MICHAEL B. NUSSBAUM D.D.S." }],
  "enumerationDate": "2006-11-16",
  "registryUrl": "https://npiregistry.cms.hhs.gov/provider-view/1154494250"
}

The OUTPUT record of each run has the totals per search, the count by specialty and by state, the inputs that were not valid and the attribution.

Input

Dental practices around Austin (ZIP codes starting with 787) whose NPI was issued in the last year:

{
  "taxonomies": ["Dentist"],
  "zipCodes": ["787"],
  "providerType": "organization",
  "enumeratedWithinDays": 365,
  "maxResults": 50
}

Chiropractors and physical therapists in two cities, only those with a practice phone:

{
  "taxonomies": ["Chiropractor", "Physical Therapist"],
  "cities": ["Austin, TX", "Miami, FL"],
  "providerType": "individual",
  "onlyWithPhone": true,
  "maxResults": 500
}

Every new home health agency in Florida and Georgia this month:

{
  "taxonomies": ["Home Health"],
  "states": ["FL", "GA"],
  "providerType": "organization",
  "enumeratedWithinDays": 30
}

Look up NPI numbers:

{
  "npiNumbers": ["1154494250", "1003768524"]
}

Field	What it does
taxonomies	Specialty descriptions as the registry writes them: Dentist, Chiropractor, Family Medicine, Nurse Practitioner, Pharmacy, Physical Therapist, Home Health... A trailing * after 2 letters is a wildcard.
states, cities, zipCodes	Places. Each one is a search of its own; a provider found twice is saved once. ZIP codes take 5 digits or the first 2 to 4. Places match the provider's primary practice location.
providerType	Organizations (NPI type 2), individuals (type 1) or both.
enumeratedWithinDays	Only providers whose NPI was issued in the last N days.
primaryOnly	The registry matches any of a provider's specialties; this keeps those whose primary specialty contains the words searched.
onlyWithPhone	Only providers with a practice phone.
npiNumbers	NPI numbers to look up, one request each. A number with a wrong check digit is reported and not asked.
maxResults	Providers saved in the run (1,000 by default), newest NPI first.
onlyNew + memoryName	For scheduled runs: only the providers that earlier runs of the same search did not save, or whose phone, address, primary specialty or status changed.

Only new or updated

With Only new and a weekly schedule, each run saves only the providers the earlier runs of the same search did not save, plus those whose practice phone, address, primary specialty or status changed. The memory lives in a key-value store named us-healthcare-providers-state in your account.

How much it costs

Pay per event: only for the providers saved. Providers left out by the filters or already saved by an earlier run are free. Measured on 2026-10-02:

• Dental practices in ZIP codes 787*: 502 read in 3 requests; 38 had an NPI issued in the last year.
• Dental practices in all of Texas with an NPI issued in the last 30 days: 10,222 read in 222 requests (about 5 minutes); 33 new.

Use it from AI agents (MCP)

Claude, ChatGPT, Cursor and any other MCP client can run this Actor as a tool: add https://mcp.apify.com?tools=digital_influx/us-healthcare-providers as a remote MCP server and sign in with your Apify account. It is also one of the tools of US & UK Public Records MCP (digital_influx/public-records-mcp), by the same author, made for agents.

Good to know

• 1,200 results a search. The registry answers 200 results a request and lets a search go up to 1,200, in name order. When a search reaches that and the run needs more (a large state, or a date window that needs the whole search), the Actor narrows it by ZIP code (two digits, then one more) and reads the parts, so no provider is left out. A single 5-digit ZIP code with more than 1,200 providers of one search keeps the first 1,200 by name, and the OUTPUT says so.
• The registry has no date filter. With NPI issued within, the whole search is read and filtered here: a state takes a few minutes, a city or ZIP code seconds.
• Specialties are matched by the registry against any of a provider's taxonomies. "Dentist" finds every dental specialization; use Only when it is the primary specialty for a narrower list.
• The data is what providers report to NPPES. Phones and addresses are the ones on their NPI record, and some are out of date. Credentials are written as each provider typed them (DC, D.C., D. C).
• Requests: at most 2 a second, with a budget of 2,000 a run.

Source and attribution

Centers for Medicare & Medicaid Services (CMS), National Plan and Provider Enumeration System (NPPES), NPI Registry API version 2.1 (https://npiregistry.cms.hhs.gov). The registry shows the data disclosable under the Freedom of Information Act and updates it daily. CMS does not endorse this Actor or the uses of its results.