FDA
Drugs@FDA Approved Products →FDA-approved drug products — application number, sponsor, brand and generic name, dosage form, and marketing status.
Medicare Part D Spending by Drug
Per-drug Medicare Part D spending — total spend, claims, beneficiaries, dosage units, and year-over-year change by brand, generic, and manufacturer. Drug-keyed; no provider NPI. Source:
FHIR MedicationKnowledge · Sample record
What a record looks like in the API response.
{
"resourceType": "MedicationKnowledge",
"id": "partd-example",
"_source": "cms-part-d-spending-by-drug",
"_methodology": "cms-part-d-spending/v1",
"code": { "text": "Example Brand" },
"extension": [{ "url": "totalSpending", "valueDecimal": 12500000 }]
}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/MedicationKnowledge?_source=part-d-spending" \ | jq '._source, ._methodology, .meta.tag'
Fields in this record
What each field in the MedicationKnowledge record means.
Every field below is taken from the live FHIR MedicationKnowledge 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 |
extension | array | Data |
Dataset facts
| Field | Value |
|---|---|
| Agency | |
| Category | Prescription drugs |
| Records | |
| Temporal coverage | 2023 |
| Refresh cadence | Annual |
| Freshness SLA | Within 7 days of annual CMS release |
| Last synced | 2026-06-14Updated 2026-06-14 |
| FHIR resource | MedicationKnowledge |
| Methodology | cms-part-d-spending/v1 |
| Measured | Total spending, claims, beneficiaries, dosage units, and average spend per drug × manufacturer |
| 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 · Prescription drugs
FDA
FDA National Drug Code Directory →FDA National Drug Code (NDC) Directory — product NDC, labeler, dosage form, and marketing category. Schema and provenance are live; the first ingest snapshot is pending, so this table currently holds 0 rows.