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  3. /PECOS Ordering & Referring
CMSProvider performanceUpdated 2026-05-01

PECOS Ordering & Referring

Medicare enrollment status for providers eligible to order and refer services. Source: Centers for Medicare & Medicaid Services · 2026-05-01

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81,149
enrolled providers
As of 2026-05-01
CMS · 2026-05-01
2024–2026
Temporal coverage
Refreshed monthly
CMS · 2026-05-01
Practitioner
FHIR resource
FHIR R4 · pecos-or/v1
Fonteum methodology

FHIR Practitioner · Sample record

What a record looks like in the API response.

Sample record
{
  "resourceType": "Practitioner",
  "id": "prac-pecos-1234567890",
  "_source": "cms-pecos-or",
  "_methodology": "pecos-or/v1",
  "identifier": [{ "system": "http://hl7.org/fhir/sid/us-npi", "value": "1234567890" }]
}

Every record carries _source, _methodology, a snapshot date, and a confidence tier. All fourteen provenance fields survive export and API delivery.

cURL
curl -H "Authorization: Bearer $FONTEUM_KEY" \
  "https://api.fonteum.com/fhir/r4/Practitioner?_source=ordering-referring" \
  | jq '._source, ._methodology, .meta.tag'

Dataset facts

Dataset facts for PECOS Ordering & Referring
FieldValue
AgencyCenters for Medicare & Medicaid ServicesCMS · 2026-05-01
CategoryProvider performance
Records81,149 enrolled providersCMS · 2026-05-01
Temporal coverage2024–2026
Refresh cadenceMonthly
Freshness SLAWithin 24h of monthly CMS release
Last synced2026-05-01Updated 2026-05-01
FHIR resourcePractitioner
Methodologypecos-or/v1
MeasuredOrdering and referring provider enrollment status per NPI
Upstream sourcedata.cms.gov →

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How to reach this dataset.

API access is operator-approved during the pilot. Reviewed within one business day. No charge during the pilot period.

Request access →Download CMS CSV →View methodology

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Citations

  1. Centers for Medicare & Medicaid Services — PECOS Ordering & Referring (upstream source)
  2. Fonteum methodology (pecos-or/v1)
  3. Editorial & licensing policy
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Reviewed by Jennifer Montecillo, MD, medical reviewer. Non-practicing medical reviewer.

© 2026 Fonteum, Inc. All rights reserved.

The U.S. healthcare graph AI can cite — every fact carries its source.

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