CMS
Open Payments →Financial transfers from manufacturers to physicians and teaching hospitals.
Medicare Physician & Other Practitioners by Service
Procedure-level Medicare utilization and payment — one row per rendering NPI × HCPCS code × place of service. NPI is carried verbatim; entity-graph linkage is deferred. Source:
FHIR Observation · Sample record
What a record looks like in the API response.
{
"resourceType": "Observation",
"id": "mps-example",
"_source": "cms-medicare-physician-service",
"_methodology": "medicare-physician-service/v1",
"code": { "text": "HCPCS service volume" },
"valueQuantity": { "value": 240, "unit": "services" }
}Every record carries _source, _methodology, a snapshot date, and a confidence tier. All fourteen provenance fields survive export and API delivery.
curl -H "Authorization: Bearer $FONTEUM_KEY" \ "https://api.fonteum.com/fhir/r4/Observation?_source=physician-service" \ | jq '._source, ._methodology, .meta.tag'
Fields in this record
What each field in the Observation record means.
Every field below is taken from the live FHIR Observation record above. Provenance fields (_source, _methodology, and the snapshot date) travel with each record through export and API delivery; identity fields key the record across federal datasets; data fields carry the measured values.
| Field | Type | Role |
|---|---|---|
resourceType | string | Identity |
id | string | Identity |
_source | string | Provenance |
_methodology | string | Provenance |
code | object | Data |
valueQuantity | object | Data |
Dataset facts
| Field | Value |
|---|---|
| Agency | |
| Category | Provider performance |
| Records | |
| Temporal coverage | 2024 |
| Refresh cadence | Annual |
| Freshness SLA | Within 7 days of annual CMS release |
| Last synced | 2026-06-14Updated 2026-06-14 |
| FHIR resource | Observation |
| Methodology | medicare-physician-service/v1 |
| Measured | Beneficiaries, services, submitted charge, and Medicare allowed/payment amounts per NPI × HCPCS × place of service |
| Upstream source | data.cms.gov → |
Get access
How to reach this dataset.
API access is operator-approved during the pilot. Reviewed within one business day. No charge during the pilot period.
Related · Provider performance
CMS
QPP Individual Scores →Individual clinician performance scores from the Quality Payment Program.
CMS
PECOS Ordering & Referring →Medicare enrollment status for providers eligible to order and refer services.