Medicare Enrolled Mass Immunizers

The Medicare Enrolled Mass Immunizers dataset provides information on all Medicare providers that are currently enrolled as Mass Immunizers/Centralized flu…

Part of the CMS Data Feeds Dataset › Medicare

Dataplex delivers this CMS feed as the analysis-ready table DWV.MEDICARE_ENROLLED_MASS_IMMUNIZERS on Snowflake and Databricks — coverage from 2023 to 2023 in a single aligned schema, refreshed automatically whenever CMS publishes a new file. Every row carries lineage back to the exact CMS source file that produced it.

Key facts

Snowflake	DWV.MEDICARE_ENROLLED_MASS_IMMUNIZERS
Databricks	cms_dwv.medicare_enrolled_mass_immunizers
Coverage	May 2023 – May 2023
Cadence	Weekly
CMS published	2023-05-23
Loaded	2023-08-29
Columns	12 data + 6 lineage
Identifiers	NPI · ZIP codes
File versions	1
License	CMS public data — U.S. Government work
Platforms	Snowflake Marketplace · Databricks Delta Sharing

Included in the CMS Data Feeds Dataset — start a free trial on Snowflake Marketplace.

Last CMS publication 2023-05-23 — awaiting the next release. New files load automatically when CMS publishes.

Sample queries

Snowflake

SELECT *
FROM DWV.MEDICARE_ENROLLED_MASS_IMMUNIZERS
LIMIT 100;

Databricks

About this feed

The Medicare Enrolled Mass Immunizers dataset provides information on all Medicare providers that are currently enrolled as Mass Immunizers/Centralized flu billers.

— Source: CMS feed metadata

Keywords: States & Territories, ZIP Code, Medicare, Original Medicare, Medicare Advantage, Hospitals & Facilities, Provider Enrollment Theme: Medicare

Coverage timeline

2023 🟩

1 of 1 years covered — no gaps.

Release history

Reporting period	CMS published	Loaded	Latest file
2023-05-17 – 2023-05-23	2023-05-23	2023-08-29	✓

Data dictionary

📋 12 data columns + 6 lineage columns

Column-level definitions are maintained by CMS in the official Medicare Enrolled Mass Immunizers data dictionary.

Data columns

Column	Type
ENRLMT_ID	TEXT
NPI	NUMBER
ADDTNL_NPI_FLG	BOOLEAN
STATE_CD	TEXT
FIRST_NAME	TEXT
LAST_NAME	TEXT
ORG_NAME	TEXT
LINE_1_ST_ADR	TEXT
LINE_2_ST_ADR	TEXT
CITY_NAME	TEXT
PRACTICE_LCTN_ST	TEXT
ZIP_CD	TEXT

Lineage columns (present on every feed table)

Column	Type	Description
ROW_ID	TEXT	Unique row ID for this table (PK)
FILE_ID	TEXT	Source file — joins to FEEDS_FILES.ID (FK)
FILE_FEED_ID	TEXT	Parent feed — joins to FEEDS.ID (FK)
FILE_NAME	TEXT	Source file name as published by CMS
ROWNUM	NUMBER	Row number within the source file
CREATED_AT	TIMESTAMP_NTZ	Timestamp when the record was loaded

Row-level lineage

Every row in this table traces to the exact CMS source file that produced it. The FILE_ID column joins to the FEEDS_FILES catalog table, and FILE_FEED_ID joins to the FEEDS master table:

Trace any row back to its source file and reporting period:

SELECT d.ENRLMT_ID, d.NPI, d.ADDTNL_NPI_FLG,
       ff.TEMPORAL_START, ff.TEMPORAL_END, ff.CMS_FEED_MODIFIED
FROM DWV.MEDICARE_ENROLLED_MASS_IMMUNIZERS d
JOIN DWV.FEEDS_FILES ff ON d.FILE_ID = ff.ID;

Source & provenance

Published by the Centers for Medicare & Medicaid Services (bureau 009:38).

• Official CMS data dictionary

• Medicare Enrolled Mass Immunizers Methodology

Frequently asked questions

How often is Medicare Enrolled Mass Immunizers updated?

Weekly. CMS last published this feed on 2023-05-23, and Dataplex loaded it to the warehouse on 2023-08-29. New releases are added automatically when CMS publishes them.

What years does Medicare Enrolled Mass Immunizers cover?

2023 through 2023.

How many records are in Medicare Enrolled Mass Immunizers?

Count the current snapshot yourself once the share is mounted:

SELECT COUNT(*)
FROM DWV.MEDICARE_ENROLLED_MASS_IMMUNIZERS d
JOIN DWV.FEEDS_FILES ff ON d.FILE_ID = ff.ID
WHERE ff.IS_LATEST = 1;

How do I get Medicare Enrolled Mass Immunizers data?

It's included in the CMS Data Feeds Dataset on the Snowflake Marketplace (free trial available) and via Databricks Delta Sharing. Once mounted, query DWV.MEDICARE_ENROLLED_MASS_IMMUNIZERS directly — no pipeline setup required.

Related feeds

Ambulatory Surgical Centers and Independent Free Standing Emergency Departments Enrolled in Medicare As Hospital ProvidersHome Infusion Therapy ProvidersSkilled Nursing Facility Change of Ownership - Owner InformationHospice All OwnersHospital Change of Ownership - Owner Information

Get this feed

1. Start a free trial on Snowflake Marketplace or purchase via Databricks

2. Mount the share — the database and DWV schema appear in your account immediately

3. Run the sample query above — no ETL, no pipeline maintenance

Questions about this feed? Contact us at [e-mail].

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