{
  "generated_at": "2026-10-19T16:49:54+00:00",
  "generator": "analysis/measures.py",
  "time_axis": "ndh-release",
  "releases": [
    "2026-05-08",
    "2026-08-20",
    "2026-10-07"
  ],
  "series_start": "2026-05-08",
  "series_start_reason": "The 2026-04-09 export is held as an archive artifact rather than a published point, per the measure-series design.",
  "note": "As-published values from committed files, not recomputed. A point's comparable_to_previous is true, false (a definition break) or \"unreviewed\" (a move larger than the measure's declared ordinary move, not yet reviewed). Only a true pair may be drawn as a line. The ordinary-move priors in this first slice were declared with both points already known, so they are not pre-registered; priors for measures added later are declared before their first point.",
  "measures": [
    {
      "slug": "role-coverage-pa",
      "question": "What share of active Pennsylvania practitioners carry a PractitionerRole?",
      "unit": "ratio",
      "source": "NDH bulk export joined to NPPES taxonomy (H54)",
      "hypotheses": [
        "H54"
      ],
      "time_axis": "ndh-release",
      "definition_version": 1,
      "definitions": [
        {
          "version": 1,
          "numerator": "active PA practitioners with at least one PractitionerRole",
          "denominator": "active Practitioner resources with a PA address",
          "note": null,
          "definition_hash": "2e906ab6bf8c"
        }
      ],
      "ordinary_move": {
        "kind": "absolute",
        "max": 0.05,
        "why": "Coverage had not moved more than a few points between releases before 2026-08-20."
      },
      "breaks": [],
      "series": [
        {
          "release": "2026-05-08",
          "value": 0.38122840067273533,
          "numerator": 86816,
          "denominator": 227727,
          "definition_version": 1,
          "source": {
            "file": "analysis/release-snapshots/published/role-gap-delta@6e74041.json",
            "field": "overall.before.with_role / overall.before.active",
            "commit": "6e74041",
            "vendored": true
          },
          "comparable_to_previous": null
        },
        {
          "release": "2026-08-20",
          "value": 0.4371829472744837,
          "numerator": 100918,
          "denominator": 230837,
          "definition_version": 1,
          "source": {
            "file": "frontend/public/api/v1/role-gap-delta.json",
            "field": "overall.before.with_role / overall.before.active",
            "commit": null,
            "vendored": false
          },
          "comparable_to_previous": true,
          "comparability_reason": "reviewed: PractitionerRole more than doubled in this release (3,952,445 to 10,806,327 active). Coverage reads no specialty code, so the vocabulary change cannot touch it; the rise is the directory adding roles, most of them to practitioners who already had one."
        },
        {
          "release": "2026-10-07",
          "value": 0.4404190999355028,
          "numerator": 100379,
          "denominator": 227917,
          "definition_version": 1,
          "source": {
            "file": "frontend/public/api/v1/role-gap-delta.json",
            "field": "overall.after.with_role / overall.after.active",
            "commit": null,
            "vendored": false
          },
          "comparable_to_previous": true
        }
      ],
      "omitted": [],
      "notes": "National role coverage is not yet a measure: no committed file carries its numerator for either release."
    },
    {
      "slug": "fhir-rest-endpoint-share",
      "question": "What share of Endpoint resources are FHIR REST endpoints software can query?",
      "unit": "ratio",
      "source": "NDH bulk export",
      "hypotheses": [
        "H28"
      ],
      "time_axis": "ndh-release",
      "definition_version": 1,
      "definitions": [
        {
          "version": 1,
          "numerator": "Endpoint rows whose connectionType code is hl7-fhir-rest",
          "denominator": "all Endpoint rows in the export",
          "note": null,
          "definition_hash": "73628e4fc863"
        }
      ],
      "ordinary_move": {
        "kind": "absolute",
        "max": 0.03,
        "why": "The FHIR REST subset is a small, slow-moving share of a large Direct-address population."
      },
      "breaks": [],
      "series": [
        {
          "release": "2026-05-08",
          "value": 0.08383967190583462,
          "numerator": 114071,
          "denominator": 1360585,
          "definition_version": 1,
          "source": {
            "file": "analysis/release-snapshots/2026-05-08.json",
            "field": "shape.endpoint_connection_types[hl7-fhir-rest].n / tables.endpoint.rows",
            "commit": null,
            "vendored": false
          },
          "comparable_to_previous": null
        },
        {
          "release": "2026-08-20",
          "value": 0.09836558175237929,
          "numerator": 110973,
          "denominator": 1128169,
          "definition_version": 1,
          "source": {
            "file": "analysis/release-snapshots/2026-08-20.json",
            "field": "shape.endpoint_connection_types[hl7-fhir-rest].n / tables.endpoint.rows",
            "commit": null,
            "vendored": false
          },
          "comparable_to_previous": true
        },
        {
          "release": "2026-10-07",
          "value": 0.09752409636442048,
          "numerator": 111259,
          "denominator": 1140836,
          "definition_version": 1,
          "source": {
            "file": "analysis/release-snapshots/2026-10-07.json",
            "field": "shape.endpoint_connection_types[hl7-fhir-rest].n / tables.endpoint.rows",
            "commit": null,
            "vendored": false
          },
          "comparable_to_previous": true
        }
      ],
      "omitted": [],
      "notes": "The denominator is rows, not distinct endpoints. April repeated each endpoint about four times; May and August are close to one row per address."
    },
    {
      "slug": "endpoint-org-linkage",
      "question": "What share of FHIR REST endpoints resolve to a managing organization?",
      "unit": "ratio",
      "source": "NDH bulk export (H50)",
      "hypotheses": [
        "H50"
      ],
      "time_axis": "ndh-release",
      "definition_version": 1,
      "definitions": [
        {
          "version": 1,
          "numerator": "FHIR REST endpoints whose managingOrganization reference resolves to an Organization in the export",
          "denominator": "Endpoint resources with connectionType hl7-fhir-rest",
          "note": null,
          "definition_hash": "a828f804937d"
        }
      ],
      "ordinary_move": {
        "kind": "absolute",
        "max": 0.05,
        "why": "Attribution depends on CMS populating one reference; a move over five points would be a change in how the export is built."
      },
      "breaks": [],
      "series": [
        {
          "release": "2026-05-08",
          "value": 0.1694909310867793,
          "numerator": 19334,
          "denominator": 114071,
          "definition_version": 1,
          "source": {
            "file": "analysis/release-snapshots/published/endpoint-org-linkage@f8a18ab.json",
            "field": "numerator / denominator",
            "commit": "f8a18ab",
            "vendored": true
          },
          "comparable_to_previous": null
        },
        {
          "release": "2026-08-20",
          "value": 0.1465401494057113,
          "numerator": 16262,
          "denominator": 110973,
          "definition_version": 1,
          "source": {
            "file": "analysis/release-snapshots/published/endpoint-org-linkage@6e74041.json",
            "field": "numerator / denominator",
            "commit": "6e74041",
            "vendored": true
          },
          "comparable_to_previous": true
        },
        {
          "release": "2026-10-07",
          "value": 0.14602863588563622,
          "numerator": 16247,
          "denominator": 111259,
          "definition_version": 1,
          "source": {
            "file": "frontend/public/api/v1/findings/endpoint-org-linkage.json",
            "field": "numerator / denominator",
            "commit": "6e74041",
            "vendored": false
          },
          "comparable_to_previous": true
        }
      ],
      "omitted": [],
      "notes": null
    },
    {
      "slug": "vendor-filled-attribution",
      "question": "Of the FHIR REST endpoints the NDH cannot attribute, what share do public EHR vendor files name?",
      "unit": "ratio",
      "source": "NDH bulk export plus eight public vendor endpoint files fetched at run time (H51)",
      "hypotheses": [
        "H51"
      ],
      "time_axis": "ndh-release",
      "definition_version": 1,
      "definitions": [
        {
          "version": 1,
          "numerator": "unattributed FHIR REST endpoints whose base URL a vendor file maps to an organization",
          "denominator": "FHIR REST endpoints with no resolvable managingOrganization",
          "note": null,
          "definition_hash": "dc789e78797b"
        }
      ],
      "ordinary_move": {
        "kind": "absolute",
        "max": 0.05,
        "why": "Both inputs change: the NDH by release and the vendor files whenever vendors republish."
      },
      "breaks": [],
      "series": [
        {
          "release": "2026-05-08",
          "value": 0.7584892914067366,
          "numerator": 71857,
          "denominator": 94737,
          "definition_version": 1,
          "source": {
            "file": "analysis/release-snapshots/published/vendor-endpoint-attribution@0f8f39d.json",
            "field": "numerator / denominator",
            "commit": "0f8f39d",
            "vendored": true
          },
          "comparable_to_previous": null
        },
        {
          "release": "2026-08-20",
          "value": 0.6486258195985682,
          "numerator": 61432,
          "denominator": 94711,
          "definition_version": 1,
          "source": {
            "file": "analysis/release-snapshots/published/vendor-endpoint-attribution@6e74041.json",
            "field": "numerator / denominator",
            "commit": "6e74041",
            "vendored": true
          },
          "comparable_to_previous": "unreviewed",
          "comparability_reason": "moved 0.1099 against a declared ordinary move of 0.05 (absolute); not yet reviewed"
        },
        {
          "release": "2026-10-07",
          "value": 0.6437186881657054,
          "numerator": 61161,
          "denominator": 95012,
          "definition_version": 1,
          "source": {
            "file": "frontend/public/api/v1/findings/vendor-endpoint-attribution.json",
            "field": "numerator / denominator",
            "commit": "d936c61",
            "vendored": false
          },
          "restatements": [
            {
              "as_published_value": 0.6437292131520229,
              "as_published_numerator": 61162,
              "as_published_denominator": 95012,
              "source": {
                "file": "analysis/release-snapshots/published/vendor-endpoint-attribution@4023860.json",
                "field": "numerator / denominator",
                "commit": "4023860",
                "vendored": true
              },
              "reason": "First published counting athenahealth's shared base URL (https://api.platform.athenahealth.com/fhir/r4), which every athenahealth customer uses and which names no organization, as a vendor attribution; restated on 2026-10-16 (FHI-73) with that URL excluded."
            }
          ],
          "comparable_to_previous": true
        }
      ],
      "omitted": [],
      "notes": "This measure has two clocks. The vendor files are fetched when the script runs, not when CMS releases, so a move can come from either side."
    },
    {
      "slug": "payer-directory-endpoints",
      "question": "What share of FHIR REST endpoints are payer provider directories?",
      "unit": "ratio",
      "source": "NDH bulk export (H49)",
      "hypotheses": [
        "H49"
      ],
      "time_axis": "ndh-release",
      "definition_version": 1,
      "definitions": [
        {
          "version": 1,
          "numerator": "FHIR REST endpoints identified as a payer provider directory",
          "denominator": "Endpoint resources with connectionType hl7-fhir-rest",
          "note": null,
          "definition_hash": "de7e36a8f617"
        }
      ],
      "ordinary_move": {
        "kind": "absolute",
        "max": 0.01,
        "why": "Payer directories are a handful of endpoints in a population of about 110,000."
      },
      "breaks": [],
      "series": [
        {
          "release": "2026-05-08",
          "value": 8.766470005522876e-06,
          "numerator": 1,
          "denominator": 114071,
          "definition_version": 1,
          "source": {
            "file": "analysis/release-snapshots/published/ndh-payer-endpoint-coverage@c39b178.json",
            "field": "numerator / denominator",
            "commit": "c39b178",
            "vendored": true
          },
          "comparable_to_previous": null
        },
        {
          "release": "2026-08-20",
          "value": 9.011200922746974e-06,
          "numerator": 1,
          "denominator": 110973,
          "definition_version": 1,
          "source": {
            "file": "analysis/release-snapshots/published/ndh-payer-endpoint-coverage@6e74041.json",
            "field": "numerator / denominator",
            "commit": "6e74041",
            "vendored": true
          },
          "comparable_to_previous": true
        },
        {
          "release": "2026-10-07",
          "value": 0.0017436791630340018,
          "numerator": 194,
          "denominator": 111259,
          "definition_version": 1,
          "source": {
            "file": "frontend/public/api/v1/findings/ndh-payer-endpoint-coverage.json",
            "field": "numerator / denominator",
            "commit": "3c03bd8",
            "vendored": false
          },
          "restatements": [
            {
              "as_published_value": 0.000449401846142784,
              "as_published_numerator": 50,
              "as_published_denominator": 111259,
              "source": {
                "file": "analysis/release-snapshots/published/ndh-payer-endpoint-coverage@b5aa33a.json",
                "field": "numerator / denominator",
                "commit": "b5aa33a",
                "vendored": true
              },
              "reason": "First published counting only addresses whose URL path names a directory (50); restated on 2026-10-16 (FHI-71) with the host signal added (CMS contract IDs from the release's InsurancePlan resources, and hand-checked payer directory hosts): 194, of which 25 path only, 144 host only, 25 both."
            }
          ],
          "comparable_to_previous": true
        }
      ],
      "omitted": [],
      "notes": "Classified by analysis/payer_directory.py: URL path OR host. Re-running that classifier on the 2026-05-08 and 2026-08-20 Endpoint files gives the published 1 for each (no address in either carries a contract ID or sits on a listed host), so the earlier points stand. Every point is a floor. Payer organizations with an endpoint is not yet a measure: the 2026-05-08 release had no payer organization type, and the 2026-08-20 count of payer organizations carrying an endpoint is stated only in prose."
    },
    {
      "slug": "ssn-exposures",
      "question": "How many Practitioner resources expose a Social Security Number?",
      "unit": "count",
      "source": "NDH bulk export (H27)",
      "hypotheses": [
        "H27"
      ],
      "time_axis": "ndh-release",
      "definition_version": 1,
      "definitions": [
        {
          "version": 1,
          "numerator": "Practitioner resources whose JSON matches the dashed SSN pattern after false-positive filtering",
          "denominator": "Practitioner resources scanned",
          "note": "Undashed nine-digit values are out of scope; they collide with EINs and account identifiers.",
          "definition_hash": "00ffae3f3bb5"
        }
      ],
      "ordinary_move": {
        "kind": "relative",
        "max": 0.5,
        "why": "A count this small moves in large proportions on any change."
      },
      "breaks": [],
      "series": [
        {
          "release": "2026-05-08",
          "value": 41,
          "numerator": 41,
          "denominator": 7441211,
          "definition_version": 1,
          "source": {
            "file": "analysis/release-snapshots/published/pii-exposure-ndh@c34fe94.json",
            "field": "numerator / denominator",
            "commit": "c34fe94",
            "vendored": true
          },
          "comparable_to_previous": null
        },
        {
          "release": "2026-08-20",
          "value": 0,
          "numerator": 0,
          "denominator": 7373232,
          "definition_version": 1,
          "source": {
            "file": "analysis/release-snapshots/published/pii-exposure-ndh@6e74041.json",
            "field": "numerator / denominator",
            "commit": "6e74041",
            "vendored": true
          },
          "zero_control": "asserted in source notes, not yet a structured field: The zero is checked, not assumed: 7,371,126 of 7,373,232 Practitioner resources still carry the qualification array those exposures were found in, so the scan is reading the right field",
          "comparable_to_previous": true,
          "comparability_reason": "reviewed: Remediation, not an empty query: the source records that 7,371,126 of 7,373,232 Practitioner resources still carry the qualification array the exposures were found in."
        },
        {
          "release": "2026-10-07",
          "value": 0,
          "numerator": 0,
          "denominator": 7481907,
          "definition_version": 1,
          "source": {
            "file": "frontend/public/api/v1/findings/pii-exposure-ndh.json",
            "field": "numerator / denominator",
            "commit": "3c03bd8",
            "vendored": false
          },
          "zero_control": "asserted in source notes, not yet a structured field: The zero is checked, not assumed: 7,451,577 of 7,481,907 Practitioner resources still carry the qualification array those exposures were found in, so the scan is reading the right field",
          "comparable_to_previous": "unreviewed",
          "comparability_reason": "moved inf against a declared ordinary move of 0.5 (relative); not yet reviewed"
        }
      ],
      "omitted": [],
      "notes": null
    },
    {
      "slug": "npi-validation-failures",
      "question": "What share of NPIs in the export fail structural or check-digit validation?",
      "unit": "ratio",
      "source": "NDH bulk export (H9)",
      "hypotheses": [
        "H9"
      ],
      "time_axis": "ndh-release",
      "definition_version": 1,
      "definitions": [
        {
          "version": 1,
          "numerator": "NPIs that are not ten digits or fail the Luhn check digit",
          "denominator": "NPIs carried on Practitioner and Organization resources",
          "note": null,
          "definition_hash": "59652255826e"
        }
      ],
      "ordinary_move": {
        "kind": "absolute",
        "max": 0.001,
        "why": "CMS validates NPIs at enumeration; failures are a few records in ten million."
      },
      "breaks": [],
      "series": [
        {
          "release": "2026-05-08",
          "value": 1.8427311855994244e-07,
          "numerator": 2,
          "denominator": 10853455,
          "definition_version": 1,
          "source": {
            "file": "analysis/release-snapshots/published/npi-taxonomy-correctness@3fe0500.json",
            "field": "numerator / denominator",
            "commit": "3fe0500",
            "vendored": true
          },
          "comparable_to_previous": null
        },
        {
          "release": "2026-08-20",
          "value": 3.446001501078254e-07,
          "numerator": 4,
          "denominator": 11607656,
          "definition_version": 1,
          "source": {
            "file": "analysis/release-snapshots/published/npi-validity-summary@6e74041.json",
            "field": "npis_flagged / npis_checked",
            "commit": "6e74041",
            "vendored": true
          },
          "comparable_to_previous": true
        }
      ],
      "omitted": [
        {
          "release": "2026-10-07",
          "reason": "frontend/public/api/v1/findings/npi-validity-summary.json: npis_flagged / npis_checked: zero with no positive control proving the field was read"
        }
      ],
      "notes": "The 2026-05-08 point comes from an H9 run whose payload was still marked in-progress. It is the only H9 count for that release that survived: H10-H13 later overwrote the shared slug."
    },
    {
      "slug": "role-specialty-agreement",
      "question": "Do Practitioner.qualification and PractitionerRole.specialty agree?",
      "unit": "ratio",
      "source": "NDH bulk export (H13)",
      "hypotheses": [
        "H13"
      ],
      "time_axis": "ndh-release",
      "definition_version": 2,
      "definitions": [
        {
          "version": 1,
          "numerator": "Practitioner-to-Role pairs whose Role specialty (CMS Medicare code) maps to the qualification NUCC code through the CMS Medicare-to-NUCC crosswalk",
          "denominator": "Practitioner-to-Role pairs where both carry a specialty",
          "note": null,
          "definition_hash": "07d067d1f261"
        },
        {
          "version": 2,
          "numerator": "Practitioner-to-Role pairs where any Role specialty NUCC code equals any qualification NUCC code",
          "denominator": "Practitioner-to-Role pairs where both carry a specialty",
          "note": "Reads every entry of both repeating elements.",
          "definition_hash": "d323f9ef4669"
        }
      ],
      "ordinary_move": {
        "kind": "absolute",
        "max": 0.05,
        "why": "Agreement between two fields of the same record should be stable."
      },
      "breaks": [
        {
          "at": "2026-08-20",
          "from_version": 1,
          "to_version": 2,
          "reason": "PractitionerRole.specialty moved from CMS Medicare codes to NUCC taxonomy codes, so definition 1 measured a lossy Medicare-to-NUCC crosswalk rather than disagreement. Definition 2 compares NUCC to NUCC.",
          "comparable_across_break": false
        }
      ],
      "series": [
        {
          "release": "2026-05-08",
          "value": 0.09099521599378457,
          "numerator": 206603,
          "denominator": 2270482,
          "definition_version": 1,
          "source": {
            "file": "analysis/release-snapshots/published/npi-taxonomy-correctness@c34fe94.json",
            "field": "numerator / denominator",
            "commit": "c34fe94",
            "vendored": true
          },
          "comparable_to_previous": null
        },
        {
          "release": "2026-08-20",
          "value": 0.9999835045445847,
          "numerator": 5759067,
          "denominator": 5759162,
          "definition_version": 2,
          "source": {
            "file": "analysis/release-snapshots/published/npi-taxonomy-correctness@6e74041.json",
            "field": "numerator / denominator",
            "commit": "6e74041",
            "vendored": true
          },
          "restatements": [
            {
              "as_published_value": 0.9999846463980165,
              "as_published_numerator": 5275554,
              "as_published_denominator": 5275635,
              "source": {
                "file": "analysis/release-snapshots/published/npi-taxonomy-correctness@be51fe6.json",
                "field": "numerator / denominator",
                "commit": "be51fe6",
                "vendored": true
              },
              "reason": "First published reading only the first entry of each repeating specialty element; restated on 2026-08-28 (e029518) to read every entry."
            }
          ],
          "comparable_to_previous": false,
          "comparability_reason": "definition break: PractitionerRole.specialty moved from CMS Medicare codes to NUCC taxonomy codes, so definition 1 measured a lossy Medicare-to-NUCC crosswalk rather than disagreement. Definition 2 compares NUCC to NUCC."
        },
        {
          "release": "2026-10-07",
          "value": 0.9776506378231317,
          "numerator": 3156480,
          "denominator": 3228638,
          "definition_version": 2,
          "source": {
            "file": "frontend/public/api/v1/findings/npi-taxonomy-correctness.json",
            "field": "numerator / denominator",
            "commit": "pending",
            "vendored": false
          },
          "comparable_to_previous": true
        }
      ],
      "omitted": [],
      "notes": null
    },
    {
      "slug": "practitioner-phone-reachability",
      "question": "What share of active practitioners can be associated with a phone number through FHIR?",
      "unit": "ratio",
      "source": "NDH bulk export (H43)",
      "hypotheses": [
        "H43"
      ],
      "time_axis": "ndh-release",
      "definition_version": 1,
      "definitions": [
        {
          "version": 1,
          "numerator": "active practitioners with a phone on Practitioner.telecom, PractitionerRole.telecom or a referenced Location.telecom",
          "denominator": "active Practitioner resources",
          "note": null,
          "definition_hash": "1979d456a868"
        }
      ],
      "ordinary_move": {
        "kind": "absolute",
        "max": 0.01,
        "why": "Coverage sits near 100% on the Practitioner record alone."
      },
      "breaks": [],
      "series": [
        {
          "release": "2026-05-08",
          "value": 0.9998450610966478,
          "numerator": 7195270,
          "denominator": 7196385,
          "definition_version": 1,
          "source": {
            "file": "analysis/release-snapshots/published/practitioner-phone-reachability@c34fe94.json",
            "field": "numerator / denominator",
            "commit": "c34fe94",
            "vendored": true
          },
          "comparable_to_previous": null
        },
        {
          "release": "2026-08-20",
          "value": 0.9997406835970982,
          "numerator": 7371320,
          "denominator": 7373232,
          "definition_version": 1,
          "source": {
            "file": "analysis/release-snapshots/published/practitioner-phone-reachability@6e74041.json",
            "field": "numerator / denominator",
            "commit": "6e74041",
            "vendored": true
          },
          "comparable_to_previous": true
        },
        {
          "release": "2026-10-07",
          "value": 0.9774418473792844,
          "numerator": 7313129,
          "denominator": 7481907,
          "definition_version": 1,
          "source": {
            "file": "frontend/public/api/v1/findings/practitioner-phone-reachability.json",
            "field": "numerator / denominator",
            "commit": "3c03bd8",
            "vendored": false
          },
          "comparable_to_previous": "unreviewed",
          "comparability_reason": "moved 0.0223 against a declared ordinary move of 0.01 (absolute); not yet reviewed"
        }
      ],
      "omitted": [],
      "notes": null
    },
    {
      "slug": "organization-coded-type",
      "question": "What share of Organization resources carry a coded type rather than free text or nothing?",
      "unit": "ratio",
      "source": "NDH bulk export",
      "hypotheses": [],
      "time_axis": "ndh-release",
      "definition_version": 1,
      "definitions": [
        {
          "version": 1,
          "numerator": "Organization rows whose type carries a coding (prov, team, govt, pay and any later code)",
          "denominator": "all Organization rows in the export",
          "note": "Tax-entity (ein) and network (ntwk) records carry the type as text and count against the measure.",
          "definition_hash": "f55a2e5afc96"
        }
      ],
      "ordinary_move": {
        "kind": "absolute",
        "max": 0.05,
        "why": "Organization typing is a property of how CMS builds the export and was not expected to move."
      },
      "breaks": [],
      "series": [
        {
          "release": "2026-05-08",
          "value": 0.5857054365733114,
          "numerator": 1999818,
          "denominator": 3414375,
          "definition_version": 1,
          "source": {
            "file": "analysis/release-snapshots/2026-05-08.json",
            "field": "shape.organization_types[coded].n / tables.organization.rows",
            "commit": null,
            "vendored": false
          },
          "comparable_to_previous": null
        },
        {
          "release": "2026-08-20",
          "value": 0.5003233264534188,
          "numerator": 2202759,
          "denominator": 4402671,
          "definition_version": 1,
          "source": {
            "file": "analysis/release-snapshots/2026-08-20.json",
            "field": "shape.organization_types[coded].n / tables.organization.rows",
            "commit": null,
            "vendored": false
          },
          "comparable_to_previous": "unreviewed",
          "comparability_reason": "moved 0.08538 against a declared ordinary move of 0.05 (absolute); not yet reviewed"
        },
        {
          "release": "2026-10-07",
          "value": 0.9610896283701724,
          "numerator": 1978403,
          "denominator": 2058500,
          "definition_version": 1,
          "source": {
            "file": "analysis/release-snapshots/2026-10-07.json",
            "field": "shape.organization_types[coded].n / tables.organization.rows",
            "commit": null,
            "vendored": false
          },
          "comparable_to_previous": "unreviewed",
          "comparability_reason": "moved 0.4608 against a declared ordinary move of 0.05 (absolute); not yet reviewed"
        }
      ],
      "omitted": [],
      "notes": null
    }
  ],
  "excluded_candidates": [
    {
      "slug": "role-coverage-national",
      "reason": "No committed file carries the national count of practitioners with a role for either release; only rounded percentages appear, in prose. Needs the BigQuery measure pass."
    },
    {
      "slug": "organization-partof-resolvability",
      "reason": "2026-05-08 appears only in prose. 2026-08-20 appears in primer-scoreboard.json as a percentage plus a prose detail string, with no numerator or denominator field."
    },
    {
      "slug": "payer-organizations-with-endpoint",
      "reason": "The 2026-05-08 release had no payer organization type, so its denominator does not exist; the 2026-08-20 numerator is stated only in prose."
    },
    {
      "slug": "location-phone-coverage",
      "reason": "ndh-column-coverage.json carries a rounded percentage and a row count but no numerator, and covers 2026-08-20 only. A count back-computed from a rounded percentage would be invented."
    }
  ]
}