Duaer

Get started

US clinicians (CMS) in Duaer

In Duaer: Medicare doctors and clinicians from CMS Care Compare by name, specialty, or place, with practice, medical school, and Medicare assignment. One successful search uses 1 credit.

What you get

Duaer US clinicians (CMS) searches the CMS doctors and clinicians file of providers who bill Medicare, with practice address and specialty.

Pick Duaer Data → US clinicians (CMS) in the node creator, or open the data market. Related: US provider registry (NPI), US nursing homes (CMS).

When to use it

  • Find cardiologists in a state who accept Medicare assignment.
  • Look up where a clinician practises and trained.

When not to use it

Search on the canvas

  1. Open the node creator and pick Duaer Data → US clinicians (CMS).
  2. Fill Specialty (such as cardiology) and State (such as MA). Optional: Last Name, City, ZIP.
  3. Limit defaults to 10, max 20. Execute.

A search uses 1 credit only when it returns rows. No rows, wrong input, or an upstream failure uses 0.

Call the API

  • GET https://api.duaer.com/v1/data/cms-clinicians?specialty=cardiology&state=MA
  • Authorization: Bearer <Duaer key>

The call skill below matches Copy skill in the Duaer data market, with parameters, examples, and result fields.

Call skill

Same text as Copy skill.

---
name: duaer-cms-clinicians
description: >-
  Duaer US clinicians (CMS). Medicare doctors and clinicians from CMS Care Compare by name, specialty, or place, with practice, medical school, and Medicare assignment.
  One successful search uses 1 Duaer credit.
---

# Duaer US clinicians (CMS)

Duaer US clinicians (CMS) searches the CMS doctors and clinicians file of providers who bill Medicare, with practice address and specialty.

## When to use

- Find cardiologists in a state who accept Medicare assignment.
- Look up where a clinician practises and trained.

## When not to use

- Every US provider, including non-Medicare. Use https://skills.duaer.com/npi.md.
- Hospitals. Use https://skills.duaer.com/cms-hospitals.md.

## Call

`GET https://api.duaer.com/v1/data/cms-clinicians?specialty=cardiology&state=MA`

Header: `Authorization: Bearer <Duaer key>`

Use an account key or a model API key.

Get a Duaer key: https://skills.duaer.com/keys.md

## Parameters

Provide `lastName`, `specialty`, `city`, `state`, or `zip`.

- `lastName` — Optional. Exact last name, such as Smith.
- `specialty` — Words in the primary specialty, such as cardiology.
- `city` — Optional. City, such as Boston.
- `state` — Optional. Two-letter state code, such as MA.
- `zip` — Optional. Five-digit ZIP code, such as 02114.
- `limit` — Optional. Rows to return, from 1 to 20. Default 10.

## Examples

- `GET https://api.duaer.com/v1/data/cms-clinicians?specialty=cardiology&state=MA` — cardiologists in Massachusetts.
- `GET https://api.duaer.com/v1/data/cms-clinicians?lastName=Smith&city=Boston` — clinicians named Smith in Boston.

## Result

The response is `{ "items": [...] }`. Each item has `source`, `title`, `url`, and `summary`, plus:

- `npi`, `name`, `credential`, `gender` — clinician.
- `primarySpecialty`, `otherSpecialties`, `medicalSchool`, `graduationYear` — training.
- `practice`, `address`, `city`, `state`, `zip`, `phone` — practice location.
- `acceptsMedicareAssignment` — accepts the Medicare-approved amount.

Fields without a value are left out.

## Credits

A search that returns at least one row uses 1 credit.
An empty search, a search that finds nothing, or a failed search uses 0.
Wrong input returns 400 with a message and uses 0.
No remaining credits returns 402 and does not search.
A missing key returns 401.

## Related

- https://skills.duaer.com/npi.md — Duaer US provider registry (NPI)
- https://skills.duaer.com/cms-nursing-homes.md — Duaer US nursing homes (CMS)

Questions

How many credits does a US clinicians (CMS) search use in Duaer?

One credit when Duaer returns rows. A search with no rows or an error uses 0.

How is Duaer US clinicians (CMS) different from the NPI registry?

Duaer US clinicians (CMS) lists only providers who bill Medicare, with practice address and specialty. The NPI registry covers every NPI holder.

In this section