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The Centers for Medicare & Medicaid Services (CMS) is responsible for administering the Medicare, Medicaid and State Children's Health Insurance Programs, as well as a number of health oversight programs. CMS gathers and formats data to support the agency's operations. Information about Medicare beneficiaries, Medicare claims, Medicare providers, clinical data, and Medicaid eligibility and claims is included. This data is made available to the public, subject to privacy release approvals and the availability of computing resources. Our data is presented on this site by the level of privacy review required for release. Each of the three categories has its own process for requesting data. Below is a listing of each of the files available by category. Please see the link to each of the three categories in the Links within CMS section below. I. Identifiable Data Files contain actual beneficiary-specific and physician-specific information. Identifiable Files require a formal request to be submitted to CMS for approval. - Standard Analytical Files (SAFs)
- Durable Medical Equipment
- Home Health Agency
- Hospice
- Inpatient
- Outpatient
- Physician/Supplier Part B
- Skilled Nursing Facility
- Hospital Outpatient PPS
- Hospital Outpatient PPS Partial Hospitalization Program
- Medicare Provider Analysis and Review (MEDPAR)
- Denominator File
- Name and Address and Vital Status File
- Renal Management Information System (REMIS)
- Medicaid Analytic Extract (MAX)
- Long Term Care Minimum Data Set (MDS)
- Health Outcomes Survey (HOS)
II. Limited Data Set Files (LDS) are identical to the previous Beneficiary Encrypted Files, but they have been stripped of data elements that might permit identification of beneficiaries. These files contain beneficiary level health information but exclude specified direct identifiers as outlined in the HIPAA Privacy Rule. - National MEDPAR
- Skilled Nursing Facility (SNF) MEDPAR
- Long-Term Care Hospital (LTCH) PPS Expanded Modified MEDPAR
- Amended Long-Term Care (LTCH) MEDPAR
- End Stage Renal Disease (ESRD) Composite Rate Payment System File
- Hospital Outpatient PPS
- Ambulatory Surgical Center (ASC) Payment System
- Hospital Outpatient PPS Partial Hospitalization Program
- Inpatient Psychiatric PPS
- Denominator
- Health Outcomes Survey (HOS)
- Medicare Current Beneficiary Survey (MCBS)
- Standard Analytical Files (SAFs)
- Durable Medical Equipment (5%)
- Home Health Agency (5% and 100%)
- Hospice (5% and 100%)
- Inpatient (5% and 100%)
- Outpatient (5% and 100%)
- Physician/Supplier Part B (5%)
- Skilled Nursing Facility (5% and 100%)
III. Non-Identifiable Data Files contain non-identifiable person-specific information and are within the public domain. - Health Care Information System (HCIS) Data File
- Part B Extract Summary System (BESS) Carrier Data File
- Part B Extract Summary System (BESS) Data File
- Provider of Services File
- Hospital Service Area File
- Physician/Supplier Procedure Summary Master File
- Unique Physician Identification Number (UPIN) Group File
- Unique Physician Identification Number (UPIN) Directory
- Medicaid Drug Claims Statistics
- Prescription Drug Plan Formulary and Pharmacy Network Files
- Health Outcomes Survey (HOS)
- Implantable Cardioverter Defibrillator (ICD) Implantation Data
- Cost Report Files
Page Last Modified: 12/17/2008 1:33:00 PM
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