Medicare Fee-For-Service Public Provider Enrollment
Providers actively approved to bill Medicare, or who completed form 855O, as pulled from the PECOS enrollment system.
Freshness
- Last posted
- Period covered
- Oct 1, 2026 to Dec 31, 2026
- Update frequency
- Quarterly
Dates as CMS lists them in its catalog.
Columns 11
| Column | What it means | Type |
|---|---|---|
National Provider IdentifierNPI | A National Provider Identifier (NPI) is a unique 10-digit numeric identifier that all providers must obtain before enrolling in Medicare. It is assigned to healthcare providers upon application through the National Plan and Provider Enumeration System (NPPES). | string |
Multiple NPI FlagMULTIPLE_NPI_FLAG | A flag that indicates whether the provider has more than 1 NPI (Y/N). If yes, additional NPIs are displayed in the Additional NPIs file. | string |
PECOS Associate Control IDPECOS_ASCT_CNTL_ID | A PAC ID is a unique 10-digit numeric identifier that is assigned to each individual or organizational provider in PECOS. All entity-level information (e.g., Tax Identification Numbers and provider names) is linked through the PAC ID. | string |
Enrollment IDENRLMT_ID | An enrollment ID is a unique 15-digit alphanumeric identifier that is assigned to each new provider enrollment application. All enrollment-level information (e.g., enrollment type, enrollment state, provider specialty and reassignment of benefits) is linked through the enrollment ID. A PAC ID may be associated with multiple enrollment IDs if the provider is enrolled multiple times under different circumstances. | string |
Provider Type CodePROVIDER_TYPE_CD | Enrollment application and specialty type code, see Provider Type Code Reference Table for the full list of provider type codes. This field shows the enrollment’s primary specialty code. For practitioner and durable medical equipment (DME) supplier enrollments, please see the Secondary Specialty file for a list of secondary specialties (when applicable). About 20% of practitioners and DME suppliers have at least one secondary specialty. | string |
Provider Type DescriptionPROVIDER_TYPE_DESC | Description for Provider Type Code. | string |
State CodeSTATE_CD | Provider’s enrollment state (or state of the practice location address in Address Sub-File**), see State Code Reference Table for description of values. | string |
First NameFIRST_NAME | Individual provider’s first name. | string |
Middle NameMDL_NAME | Individual provider’s middle name. | string |
Last NameLAST_NAME | Individual provider’s last name. | string |
Organization NameORG_NAME | Organizational provider’s legal business name. | string |
No column matches that filter.
At a glance
- Catalog
- data.cms.gov
- Publisher
- Office of Enterprise Data and Analytics (OEDA)
- Rows
- 3,030,022
- Columns
- 11
- State column
STATE_CD
API
Free, no key needed. This request returns the first 10 rows as JSON:
https://data.cms.gov/data-api/v1/dataset/2457ea29-fc82-48b0-86ec-3b0755de7515/data?size=10
To keep only one state, filter on the STATE_CD column.
Versions 3
The newest version is the one linked above. Older releases stay on the official site.
- 2026-10-01posted Oct 19, 2026
- 2026-07-01posted Jul 27, 2026
- 2026-01-02posted Jun 30, 2026
CMS's description
The Medicare Fee-For-Service Public Provider Enrollment dataset includes information on providers who are actively approved to bill Medicare or have completed the 855O at the time the data was pulled from the Provider Enrollment, Chain, and Ownership System (PECOS). The release of this provider enrollment data is not related to other provider information releases such as Physician Compare or Data Transparency.
Methodology and other documents from CMS:
The summary at the top was written by hand from this description. Record id cms:2457ea29-fc82-48b0-86ec-3b0755de7515. This record as JSON.