{
 "id": "cms:bb2a336c-0710-4de9-80ad-6a2a5cbdbdeb",
 "slug": "pioneer-aco-model",
 "source": "data.cms.gov",
 "title": "Pioneer ACO Model",
 "summary": "The Pioneer Accountable Care Organization (ACO) Model Public Use File (PUF) provides information on ACOs participating in the model.",
 "description": "The Pioneer Accountable Care Organization (ACO) Model Public Use File (PUF) provides information on ACOs participating in the model. This dataset includes information on each ACO regarding beneficiaries, financial and quality results.",
 "aliases": [],
 "keywords": [
  "Medicare",
  "Original Medicare",
  "Value-Based Care",
  "Coordinated Care",
  "Payment Models",
  "Accountable Care Organizations"
 ],
 "themes": [
  "Medicare"
 ],
 "topics": [
  "aco-value-based",
  "spending-utilization",
  "quality"
 ],
 "category": "cms-innovation-center-programs",
 "publisher": "Office of Enterprise Data and Analytics (OEDA)",
 "contact": "ACOREACH@cms.hhs.gov",
 "landing_url": "https://data.cms.gov/cms-innovation-center-programs/accountable-care-models/pioneer-aco-model",
 "csv_url": "https://data.cms.gov/sites/default/files/2023-05/9ab35aa5-3473-4864-80a8-02d7848fd222/PIONEER_PY5_PUF1.csv",
 "api_url": "https://data.cms.gov/data-api/v1/dataset/bb2a336c-0710-4de9-80ad-6a2a5cbdbdeb/data",
 "api_kind": "cms-data-api",
 "preview_url": "https://data.cms.gov/data-api/v1/dataset/bb2a336c-0710-4de9-80ad-6a2a5cbdbdeb/data?size=10",
 "dictionary_url": "https://data.cms.gov/resources/pioneer-aco-model-performance-year-2015-2016-data-dictionary",
 "dictionary_kind": "page",
 "methodology_urls": [
  "https://data.cms.gov/resources/pioneer-aco-model-methodology"
 ],
 "state_column": null,
 "row_count": 8,
 "posted": "2023-05-25",
 "modified": "2023-05-25",
 "period_start": "2012-01-01",
 "period_end": "2016-12-31",
 "latest_period": "2016-01-01 to 2016-12-31",
 "cadence": "annually",
 "next_update": null,
 "versions": [
  {
   "label": "2016-12-01",
   "uuid": "bb2a336c-0710-4de9-80ad-6a2a5cbdbdeb",
   "posted": "2023-05-25",
   "period_start": "2016-01-01",
   "period_end": "2016-12-31"
  },
  {
   "label": "2015-12-01",
   "uuid": "eefd1ce2-c224-4a53-b713-0e126686fc1b",
   "posted": "2023-05-25",
   "period_start": "2015-01-01",
   "period_end": "2015-12-31"
  },
  {
   "label": "2014-12-01",
   "uuid": "0a6be0a3-53bf-4b53-a144-9ab782ec7571",
   "posted": "2023-05-25",
   "period_start": "2014-01-01",
   "period_end": "2014-12-31"
  },
  {
   "label": "2013-12-01",
   "uuid": "669080d5-1ec1-455f-99c6-507735a73e28",
   "posted": "2023-05-25",
   "period_start": "2013-01-01",
   "period_end": "2013-12-31"
  },
  {
   "label": "2012-05-11",
   "uuid": "f5e39eff-5830-4979-a9f6-7a840ead66ad",
   "posted": "2023-05-25",
   "period_start": "2012-01-01",
   "period_end": "2012-12-31"
  }
 ],
 "columns": [
  {
   "name": "ACO_ID",
   "label": "ACO ID",
   "type": "string",
   "meaning": "ACO ID",
   "source": "cms-dictionary"
  },
  {
   "name": "ACO_NAME",
   "label": "ACO Name",
   "type": "string",
   "meaning": "ACO name",
   "source": "cms-dictionary"
  },
  {
   "name": "PERF_YR",
   "label": "Performance Year",
   "type": "string",
   "meaning": "Performance Year",
   "source": "cms-dictionary"
  },
  {
   "name": "PBP_ELECTION",
   "label": "PBP Election",
   "type": "string",
   "meaning": "ACO elected Population-Based Payment",
   "source": "cms-dictionary"
  },
  {
   "name": "BENE_CT",
   "label": "Beneficiary Count",
   "type": "number",
   "meaning": "Number of Aligned Beneficiaries in Performance Year",
   "source": "cms-dictionary"
  },
  {
   "name": "MNTH_PY",
   "label": "Month PY",
   "type": "number",
   "meaning": "Eligible months accrued by Aligned Beneficiaries in Performance Year",
   "source": "cms-dictionary"
  },
  {
   "name": "BNMRK_EXPND",
   "label": "Benchmark Expenditure",
   "type": "number",
   "meaning": "Benchmark Expenditure",
   "source": "cms-dictionary"
  },
  {
   "name": "PERF_YR_EXPND",
   "label": null,
   "type": "number",
   "meaning": null,
   "source": "cms-api"
  },
  {
   "name": "GROSS_SAVINGS",
   "label": "Gross Savings",
   "type": "number",
   "meaning": "Gross Savings (Loss) - Benchmark less Performance Year Expenditure",
   "source": "cms-dictionary"
  },
  {
   "name": "SHARED_SAVINGS",
   "label": "Shared Savings",
   "type": "number",
   "meaning": "Shared Savings (Loss)",
   "source": "cms-dictionary"
  },
  {
   "name": "QUAL_SCRE",
   "label": "Quality Score",
   "type": "number",
   "meaning": "Quality Score (included as a %)",
   "source": "cms-dictionary"
  },
  {
   "name": "MNTH_AD_BY1",
   "label": "Month Aged/Dual-Eligible Base Year 1",
   "type": "number",
   "meaning": "Eligible Months accruing to Aged/Dual-Eligible Benchmark in Base Year One",
   "source": "cms-dictionary"
  },
  {
   "name": "EXPND_AD_BY1",
   "label": "Expenditure Aged/Dual-Eligible Base Year 1",
   "type": "number",
   "meaning": "Base Year One Expenditure for Aged/Dual-Eligible Experience",
   "source": "cms-dictionary"
  },
  {
   "name": "RISK_SCRE_AD_BY1",
   "label": "Risk Score Aged/Dual-Eligible Base Year 1",
   "type": "number",
   "meaning": "Base Year One Risk Score for Aged/Dual-Eligible Experience",
   "source": "cms-dictionary"
  },
  {
   "name": "MNTH_AD_BY2",
   "label": "Month Aged/Dual-Eligible Base Year 2",
   "type": "number",
   "meaning": "Eligible Months accruing to Aged/Dual-Eligible Benchmark in Base Year Two",
   "source": "cms-dictionary"
  },
  {
   "name": "EXPND_AD_BY2",
   "label": "Expenditure Aged/Dual-Eligible Base Year 2",
   "type": "number",
   "meaning": "Base Year Two Expenditure for Aged/Dual-Eligible Experience",
   "source": "cms-dictionary"
  },
  {
   "name": "RISK_SCRE_AD_BY2",
   "label": "Risk Score Aged/Dual-Eligible Base Year 2",
   "type": "number",
   "meaning": "Base Year Two Risk Score for Aged/Dual-Eligible Experience",
   "source": "cms-dictionary"
  },
  {
   "name": "MNTH_AD_BY3",
   "label": "Month Aged/Dual-Eligible Base Year 3",
   "type": "number",
   "meaning": "Eligible Months accruing to Aged/Dual-Eligible Benchmark in Base Year 1",
   "source": "cms-dictionary"
  },
  {
   "name": "EXPND_AD_BY3",
   "label": "Expenditure Aged/Dual-Eligible Base Year 3",
   "type": "number",
   "meaning": "Base Year 1 Expenditure for Aged/Dual-Eligible Experience",
   "source": "cms-dictionary"
  },
  {
   "name": "RISK_SCRE_AD_BY3",
   "label": "Risk Score Aged/Dual-Eligible Base Year 3",
   "type": "number",
   "meaning": "Base Year 1 Risk Score for Aged/Dual-Eligible Experience",
   "source": "cms-dictionary"
  },
  {
   "name": "BNMRK_AD",
   "label": "Benchmark Aged/Dual-Eligible",
   "type": "number",
   "meaning": "Benchmark for Aged/Dual-Eligible Experience",
   "source": "cms-dictionary"
  },
  {
   "name": "RISK_SCRE_AD_PY",
   "label": "Risk Score Aged/Dual-Eligible Performance Year",
   "type": "number",
   "meaning": "Performance Year Risk Score for Aged/Dual-Eligible Experience",
   "source": "cms-dictionary"
  },
  {
   "name": "MNTH_AN_BY1",
   "label": "Months Aged/Not-Dual Base Year 1",
   "type": "number",
   "meaning": "Eligible Months accruing to Aged/Not-Dual Benchmark in Base Year 1",
   "source": "cms-dictionary"
  },
  {
   "name": "EXPND_AN_BY1",
   "label": "Expenditure Aged/Not-Dual Base Year 1",
   "type": "number",
   "meaning": "Base Year 1 Expenditure for Aged/Not-Dual Experience",
   "source": "cms-dictionary"
  },
  {
   "name": "RISK_SCRE_AN_BY1",
   "label": "Risk Score Aged/Not-Dual Base Year 1",
   "type": "number",
   "meaning": "Base Year 1 Risk Score for Aged/Not-Dual Experience",
   "source": "cms-dictionary"
  },
  {
   "name": "MNTH_AN_BY2",
   "label": "Months Aged/Not-Dual Base Year 2",
   "type": "number",
   "meaning": "Eligible Months accruing to Aged/Not-Dual Benchmark in Base Year 2",
   "source": "cms-dictionary"
  },
  {
   "name": "EXPND_AN_BY2",
   "label": "Expenditure Aged/Not-Dual Base Year 2",
   "type": "number",
   "meaning": "Base Year 2 Expenditure for Aged/Not-Dual Experience",
   "source": "cms-dictionary"
  },
  {
   "name": "RISK_SCRE_AN_BY2",
   "label": "Risk Score Aged/Not-Dual Base Year 2",
   "type": "number",
   "meaning": "Base Year 2 Risk Score for Aged/Not-Dual Experience",
   "source": "cms-dictionary"
  },
  {
   "name": "MNTH_AN_BY3",
   "label": "Months Aged/Not-Dual Base Year 3",
   "type": "number",
   "meaning": "Eligible Months accruing to Aged/Not-Dual Benchmark in Base Year 3",
   "source": "cms-dictionary"
  },
  {
   "name": "EXPND_AN_BY3",
   "label": "Expenditure Aged/Not-Dual Base Year 3",
   "type": "number",
   "meaning": "Base Year 3 Expenditure for Aged/Not-Dual Experience",
   "source": "cms-dictionary"
  },
  {
   "name": "RISK_SCRE_AN_BY3",
   "label": "Risk Score Aged/Not-Dual Base Year 3",
   "type": "number",
   "meaning": "Base Year 3 Risk Score for Aged/Not-Dual Experience",
   "source": "cms-dictionary"
  },
  {
   "name": "BNMRK_AN",
   "label": "Benchmark Aged/Not-Dual",
   "type": "number",
   "meaning": "Benchmark for Aged/Not-Dual Experience",
   "source": "cms-dictionary"
  },
  {
   "name": "RISK_SCRE_AN_PY",
   "label": "Risk Score Aged/Not-Dual Performance Year",
   "type": "number",
   "meaning": "Performance Year Risk Score for Aged/Not-Dual Experience",
   "source": "cms-dictionary"
  },
  {
   "name": "MNTH_DISA_BY1",
   "label": "Month Disabled Base Year 1",
   "type": "number",
   "meaning": "Eligible Months accruing to Disabled Benchmark in Base Year 1",
   "source": "cms-dictionary"
  },
  {
   "name": "EXPND_DISA_BY1",
   "label": "Expenditure Disabled Base Year 1",
   "type": "number",
   "meaning": "Base Year 1 Expenditure for Disabled Experience",
   "source": "cms-dictionary"
  },
  {
   "name": "RISK_SCRE_DISA_BY1",
   "label": "Risk Score Disabled Base Year 1",
   "type": "number",
   "meaning": "Base Year 1 Risk Score for Disabled Experience",
   "source": "cms-dictionary"
  },
  {
   "name": "MNTH_DISA_BY2",
   "label": "Month Disabled Base Year 2",
   "type": "number",
   "meaning": "Eligible Months accruing to Disabled Benchmark in Base Year 2",
   "source": "cms-dictionary"
  },
  {
   "name": "EXPND_DISA_BY2",
   "label": "Expenditure Disabled Base Year 2",
   "type": "number",
   "meaning": "Base Year 2 Expenditure for Disabled Experience",
   "source": "cms-dictionary"
  },
  {
   "name": "RISK_SCRE_DISA_BY2",
   "label": "Risk Score Disabled Base Year 2",
   "type": "number",
   "meaning": "Base Year 2 Risk Score for Disabled Experience",
   "source": "cms-dictionary"
  },
  {
   "name": "MNTH_DISA_BY3",
   "label": "Month Disabled Base Year 3",
   "type": "number",
   "meaning": "Eligible Months accruing to Disabled Benchmark in Base Year 3",
   "source": "cms-dictionary"
  },
  {
   "name": "EXPND_DISA_BY3",
   "label": "Expenditure Disabled Base Year 3",
   "type": "number",
   "meaning": "Base Year 3 Expenditure for Disabled Experience",
   "source": "cms-dictionary"
  },
  {
   "name": "RISK_SCRE_DISA_BY3",
   "label": "Risk Score Disabled Base Year 3",
   "type": "number",
   "meaning": "Base Year 3 Risk Score for Disabled Experience",
   "source": "cms-dictionary"
  },
  {
   "name": "BNMRK_DISA",
   "label": "Benchmark Disabled",
   "type": "number",
   "meaning": "Benchmark for Disabled Experience",
   "source": "cms-dictionary"
  },
  {
   "name": "RISK_SCRE_DISA_PY",
   "label": "Risk Score Disabled Performance Year",
   "type": "number",
   "meaning": "Performance Year Risk Score for Disabled Experience",
   "source": "cms-dictionary"
  },
  {
   "name": "MNTH_ESRD_BY1",
   "label": "Month ESRD Base Year 1",
   "type": "number",
   "meaning": "Eligible Months accruing to ESRD Benchmark in Base Year 1",
   "source": "cms-dictionary"
  },
  {
   "name": "EXPND_ESRD_BY1",
   "label": "Expenditure ESRD Base Year 1",
   "type": "number",
   "meaning": "Base Year 1 Expenditure for ESRD Experience",
   "source": "cms-dictionary"
  },
  {
   "name": "RISK_SCRE_ESRD_BY1",
   "label": "Risk Score ESRD Base Year 1",
   "type": "number",
   "meaning": "Base Year 1 Risk Score for ESRD Experience",
   "source": "cms-dictionary"
  },
  {
   "name": "MNTH_ESRD_BY2",
   "label": "Month ESRD Base Year 2",
   "type": "number",
   "meaning": "Eligible Months accruing to ESRD Benchmark in Base Year 2",
   "source": "cms-dictionary"
  },
  {
   "name": "EXPND_ESRD_BY2",
   "label": "Expenditure ESRD Base Year 2",
   "type": "number",
   "meaning": "Base Year 2 Expenditure for ESRD Experience",
   "source": "cms-dictionary"
  },
  {
   "name": "RISK_SCRE_ESRD_BY2",
   "label": "Risk Score ESRD Base Year 2",
   "type": "number",
   "meaning": "Base Year 2 Risk Score for ESRD Experience",
   "source": "cms-dictionary"
  },
  {
   "name": "MNTH_ESRD_BY3",
   "label": "Month ESRD Base Year 3",
   "type": "number",
   "meaning": "Eligible Months accruing to ESRD Benchmark in Base Year 3",
   "source": "cms-dictionary"
  },
  {
   "name": "EXPND_ESRD_BY3",
   "label": "Expenditure ESRD Base Year 3",
   "type": "number",
   "meaning": "Base Year 3 Expenditure for ESRD Experience",
   "source": "cms-dictionary"
  },
  {
   "name": "RISK_SCRE_ESRD_BY3",
   "label": "Risk Score ESRD Base Year 3",
   "type": "number",
   "meaning": "Base Year 3 Risk Score for ESRD Experience",
   "source": "cms-dictionary"
  },
  {
   "name": "BNMRK_ESRD",
   "label": "Benchmark ESRD",
   "type": "number",
   "meaning": "Benchmark for ESRD Experience",
   "source": "cms-dictionary"
  },
  {
   "name": "RISK_SCRE_ESRD_PY",
   "label": "Risk Score ESRD Performance Year",
   "type": "number",
   "meaning": "Performance Year Risk Score for ESRD Experience",
   "source": "cms-dictionary"
  },
  {
   "name": "EXPND_HHA",
   "label": "Expenditure Home Health",
   "type": "number",
   "meaning": "Home Health Expenditure (National Claims History Claim Type 10)",
   "source": "cms-dictionary"
  },
  {
   "name": "EXPND_SNF",
   "label": "Expenditure SNF",
   "type": "number",
   "meaning": "SNF and SNF/DPU Expenditures (NCH Claim Types 20 and 30)",
   "source": "cms-dictionary"
  },
  {
   "name": "EXPND_OUTP",
   "label": "Expenditure Outpatient",
   "type": "number",
   "meaning": "Outpatient Expenditure (NCH Claim Type 40)",
   "source": "cms-dictionary"
  },
  {
   "name": "EXPND_HOSP",
   "label": "Expenditure Hospice",
   "type": "number",
   "meaning": "Hospice Expenditure (NCH Claim Type 50)",
   "source": "cms-dictionary"
  },
  {
   "name": "EXPND_INP",
   "label": "Expenditure Inpatient",
   "type": "number",
   "meaning": "Inpatient Expenditure (NCH Claim Type 60)",
   "source": "cms-dictionary"
  },
  {
   "name": "EXPND_PROF",
   "label": "Expenditure Professional",
   "type": "number",
   "meaning": "Professional Claims Expenditure (NCH Claim Types 71 and 72)",
   "source": "cms-dictionary"
  },
  {
   "name": "EXPND_DME",
   "label": "Expenditure DME",
   "type": "number",
   "meaning": "DMERC/DMEPOS Expenditure (NCH Claim Types 81 and 82)",
   "source": "cms-dictionary"
  }
 ],
 "caveats": [],
 "curated": false,
 "license": "https://www.usa.gov/government-works",
 "detail_key": "bb2a336c-0710-4de9-80ad-6a2a5cbdbdeb|2023-05-25",
 "checked": "2026-10-25",
 "source_name": "data.cms.gov"
}