data.cms.gov

Medicare Quarterly Part B Spending by Drug

The Medicare Quarterly Part B Spending by Drug dataset presents information on spending for drugs administered in doctors’ offices and other outpatient settings by physicians and other healthcare providers to Medicare...

Freshness

Last posted
Period covered
Jan 1, 2026 to Mar 31, 2026
Update frequency
Quarterly

Dates as CMS lists them in its catalog.

Columns 10

ColumnWhat it meansType
Brand NameBrnd_NameName of the drug furnished by the provider. This includes both brand names (drugs that have a trademarked name) and generic names (drugs that do not have a trademarked name). ' * ' Indicates multiple brand and/or generic names for a specific HCPCS code. See “Medicare Part B Spending by Drug-Manufacturer and Drug Use Information” supporting document for additional names. ' ** ' Indicates brand/generic names unavailable. Name reflects the HCPCS short description.string
Generic NameGnrc_NameA term referring to the chemical ingredient of a drug rather than the trademarked brand name under which the drug is sold. ' * ' Indicates multiple brand and/or generic names for a specific HCPCS code. See “Medicare Part B Spending by Drug-Manufacturer and Drug Use Information” supporting document for additional names. ' ** ' Indicates brand/generic names unavailable. Name reflects the HCPCS short description.string
Medicare Billing Code (HCPCS Code)HCPCS_CdHealthcare Common Procedure Coding System (HCPCS) code used to identify the drug furnished by the provider.string
Drug DescriptionHCPCS_DescDescription of the HCPCS code for the drug furnished by the provider.string
YearYearIdentifies the year (or partial year) of the Part B claims included. Quarter 1 is for months January through March; Quarter 2 is for months April through June; Quarter 3 is for months July through September; and Quarter 4 is for months October through December.string
Total BeneficiariesTot_BenesNumber of Medicare Part B fee-for-service beneficiaries utilizing the drug.number
Total ClaimsTot_ClmsNumber of claims for each drug.number
Total SpendingTot_SpndngAggregate drug spending for the Part B program during selected quarter(s) and year.number
Average Spending Per BeneficiaryAvg_Spnd_Per_BeneTotal Part B drug spending divided by the number of unique beneficiaries utilizing the drug.number
Average Spending Per ClaimAvg_Spnd_Per_ClmTotal Part B drug spending divided by the number of claims for the drug.number

At a glance

Catalog
data.cms.gov
Publisher
Office of Enterprise Data and Analytics (OEDA)
Rows
1,742
Columns
10
State column
None found
Topics
Prescription drugs, Spending and use of services
Contact
IPAG_Data_Products@cms.hhs.gov

API

Free, no key needed. This request returns the first 10 rows as JSON:

https://data.cms.gov/data-api/v1/dataset/bf6a5b3b-31ee-4abb-b1ad-2607a1e7510a/data?size=10

CMS's description

The Medicare Quarterly Part B Spending by Drug dataset presents information on spending for drugs administered in doctors’ offices and other outpatient settings by physicians and other healthcare providers to Medicare Part B enrollees. It also includes consumer-friendly descriptions of the drug uses, clinical indications, and manufacturer(s). Drug spending metrics for Part B drugs represent the full value of the product, including the Medicare payment and beneficiary liability. All Part B drug spending metrics are calculated at the HCPCS level. This dataset reports preliminary data that goes beyond the latest date available in the annual Medicare Part B Spending by Drug dataset. The data are updated each quarter and may change with each new release due to claims lag. Once an entire year of data is available with a sufficient run-out period, that data will move out of the preliminary quarterly dataset and into the annual Medicare Part B Spending by Drug dataset. Due to the preliminary nature of the quarterly dataset, we advise using caution when comparing between the annual and quarterly datasets.

Methodology and other documents from CMS:

The summary at the top is the first sentence of this description. Record id cms:bf6a5b3b-31ee-4abb-b1ad-2607a1e7510a. This record as JSON.

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