Data File Search
The Medicare Durable Medical Equipment (Encounter, Preliminary) file includes Medicare Advantage plans paid records for medical supplies.
Program:
Medicare
The Medicare Carrier (Encounter, Preliminary) file includes Medicare Advantage plan paid records for professional providers, including physicians, physician assistants, clinical social workers, nurse practitioners.Records for some organizational providers are also found in the Carrier (Encounter) file. Examples include independent clinical laboratories, ambulance providers, freestanding ambulatory surgical centers and freestanding radiology centers.Researchers rarely use this file alone.
Program:
Medicare
The Long Term Care Minimum Data Set (MDS)-Swing Bed is a health status screening and assessment tool. It is required for Medicare payment of hospital-based skilled nursing care. Swing-bed providers are hospitals that can use their beds, as needed, to provide either acute or post-acute skilled nursing care. The swing-bed assessment includes a subset of the skilled nursing facility (SNF) assessment items. The MDS 3.0 was implemented in October, 2010, replacing version 2.0.
Program:
Medicare, Medicaid
The Long Term Care Minimum Data Set (MDS)-Swing Bed is a health status screening and assessment tool. It is required for Medicare payment of hospital-based skilled nursing care. Swing-bed providers are hospitals that can use beds, as needed, to provide either acute or post-acute skilled nursing care. The swing-bed assessment includes a subset of the skilled nursing facility (SNF) MDS items. MDS Swing Bed 2.0 was replaced by version 3.0 in October, 2010.
Program:
Medicare, Medicaid
The Long Term Care Minimum Data Set (MDS) is a health status screening and assessment tool used for all residents of long term care nursing facilities certified to participate in Medicare or Medicaid, regardless of payer. The assessment is also required for Medicare payment of skilled nursing facility stays. Assessment data for Skilled Nursing Swing Beds 3.0 is included in a separate file, MDS version 3.0 was implemented on October 1, 2010, replacing version 2.0.
Program:
Medicare, Medicaid
The Long Term Care Minimum Data Set (MDS) is a health status screening and assessment tool used for all residents of long term care nursing facilities certified to participate in Medicare or Medicaid, regardless of payer. The assessment is also required for Medicare payment of skilled nursing facility stays. Assessment data for Skilled Nursing Swing Beds 2.0 is included in a separate file. Version 2.0 was replaced by MDS version 3.0 on October 1, 2010.
Program:
Medicare, Medicaid
The Home Health Outcome and Assessment Information Set (OASIS) contains data items developed to measure patient outcomes and for improve home health care. The OASIS assessments are required of all home health agencies certified to accept Medicare and Medicaid payments.
Program:
Medicare, Medicaid
The Inpatient Rehabilitation Facility Patient Assessment Instrument (IRF-PAI) is collected on all Medicare patients who receive services from an inpatient rehabilitation unit or hospital. The data collected for IRF-PAI are used to measure quality of care.
Program:
Medicare
CMS administers several surveys to assess beneficiary experience with different types of health care. Some of these are CMS-only surveys. Others, those designated as CAHPS, have been approved by the AHRQ-overseen CAHPS consortium.
Program:
Medicare
The Medicare-Medicaid Linked Enrollee Analytic Data Source (MMLEADS) suite of files includes beneficiary-level Medicare and Medicaid enrollment and claims data for Medicare-only, Medicare-Medicaid dually enrolled and Medicaid-only blind and disabled beneficiaries. The 27 CCW Chronic Conditions plus an additional 25 other conditions flags are part of the included data.
Program:
Medicare, Medicaid
The National Health and Aging Trends Study (NHATS) collects interview data on functioning in late life among the elderly population. NHATS began collecting data in 2011, with over 8,000 Medicare beneficiaries responding to the first round.
Program:
Medicare
The Health and Retirement Study (HRS)-Medicare linked dataset includes HRS survey information linked to CMS claims and assessment data for the HRS study population. The HRS has been fielded since 1992 and surveys more than 30,000 people age 50 and older.The Health and Retirement Study (HRS) is designed to:facilitate understanding of the relationship between medical history and financial statusexamine how use of health care may change as people age.The longitudinal survey data is linked to CMS data to provide...
Program:
Medicare
The Medicare Health Outcomes Survey (HOS) collects patient-reported outcomes measures from beneficiaries enrolled in Medicare Advantage plans. The Medicare HOS program collects health status data for use in quality improvement activities, plan accountability documentation, and health improvement activities in a base survey and two year follow-up survey. The baseline sample size is 1,200.
Program:
Medicare
The National Death Index segment of the MESF includes cause of death information from death certificates provided through linkage with the National Death Index (NDI) cause of death information. Annual files are available for 1999-2013.
Program:
Medicaid
The Conditions segment of the MESF flags each Medicaid beneficiary for the presence of one of 27 specific chronic conditions or one of 35 other chronic or potentially disabling conditions.
Program:
Medicaid
The Other Chronic or Potentially Disabling Conditions segment of the MBSF flags beneficiary records for the presence of 35 chronic or potentially disabling conditions not included in the original list of 27 conditions, including:mental health,tobacco use, alcohol and drug use,developmental disorders,disability-related conditions,behavioral health andother chronic physical conditions.
Program:
Medicare
This segment includes cause of death information from death certificates provided through linkage with the National Death Index (NDI). This data is available for all deceased Medicare beneficiaries from 1999-2016.
Program:
Medicare
The Cost and Utilization file segment of the MBSF includes one record for each beneficiary enrolled in Medicare in the calendar year of the file.
Program:
Medicare
: The Chronic Conditions segment of the Master Beneficiary Summary File (MBSF) flags each Medicare beneficiary for the presence of one of 27 specific chronic conditions.
Program:
Medicare
The MBSF base segment includes beneficiary enrollment information, (A/B/C/D). Medicare Advantage (Part C) and the Prescription Drug Program (Part D) plan enrollment information is included.
Program:
Medicare
Medicaid MAX (Medicaid Analytic Extract) Personal Summary (PS) file contains one record for every individual eligible for and enrolled in Medicaid for at least one month or who had a Medicaid-paid service within the file year.
Program:
Medicaid
Medicaid MAX (Medicaid Analytic Extract) Long Term (LT) Care file contains claim records for institutional long term care provided at four specific facility identified by the MAX Type of Service:Nursing Facility ServicesMental Hospital Services for the AgedInpatient Psychiatric Facility Services for Individuals Under the Age Of 21Intermediate Care Facility (ICF) Services for Individuals With Intellectual Disabilities
Program:
Medicaid
The Medicaid MAX (Medicaid Analytic Extract) Inpatient (IP) file contains complete stay records for enrollees who had an inpatient hospital stay. Records include fee-for-service (FFS) claims and encounter records submitted for stays covered by Medicaid managed care.
Program:
Medicaid
Medicaid MAX (Medicaid Analytic Extract) Other Services (OT) file contains claim records for a variety of Medicaid services, including physician services, outpatient hospital institutional utilization, lab/X-ray, clinic services, home health, hospice and premium payments.
Program:
Medicaid
Medicaid MAX (Medicaid Analytic Extract) Prescription Drug (RX) file includes records of filled prescriptions from fee-for-service (FFS) claims paid by Medicaid and encounter records for prescription drugs paid by a Medicaid managed care organization.
Program:
Medicaid