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TERMINAL · ENTITY CARD · PERSON

MICHEAL D OXFORD

Canonical entity in the resolved graph · methodology entity-graph/v1 · bb7875e0-83c7-41d0-a217-74cdceaf46b3

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Cross-source identifiers

Every current identifier attachment, with the link method and confidence carried verbatim — deterministic links are 1.000; probabilistic links surface their real matcher confidence, never rounded up.

Current identifier attachments with link confidence
SchemeValueSource tableLink methodConfidenceSinceProvenance
pac_id3779620521snf_all_ownersdeterministic_pac_in_all_owners1.0002026-06-14
evidence
recorded: 2026-06-14
methodology: entity-graph/v1
evidence: {"rule":"D-OWNER","source_pk":534,"type_owner":"I","enrollment_id":"O20020916000014"}

Graph edges

One-hop relationships — ownership, chain membership, operation — each backed by a federal source row.

Current 1-hop graph edges
RelationshipEntityConfidenceSource tableProvenance
owns →GORDON LANE HEALTHCARE LLC (CA)1.000snf_all_owners
evidence
recorded: 2026-06-16
methodology: entity-graph/v1
attributes: {"role_code":"43","association_date":"01/03/2022","percentage_ownership":null}
evidence: {"rule":"D-OWNER","owner_pac":"3779620521","source_pk":534,"type_owner":"I","enrollment_id":"O20020916000014","role_code_owner":"43","role_text_owner":"OPERATIONAL/MANAGERIAL CONTROL","dst_resolved_via":"pecos_enrlmt_id","percentage_ownership_raw":null,"enrollment_organization_name":"GORDON LANE HEALTHCARE LLC"}
owns →PARAMOUNT CONVALESCENT GROUP INC (CA)1.000snf_all_owners
evidence
recorded: 2026-06-16
methodology: entity-graph/v1
attributes: {"role_code":"43","association_date":"01/03/2022","percentage_ownership":null}
evidence: {"rule":"D-OWNER","owner_pac":"3779620521","source_pk":6597,"type_owner":"I","enrollment_id":"O20030703000016","role_code_owner":"43","role_text_owner":"OPERATIONAL/MANAGERIAL CONTROL","dst_resolved_via":"pecos_enrlmt_id","percentage_ownership_raw":null,"enrollment_organization_name":"PARAMOUNT CONVALESCENT GROUP INC"}
owns →GARDEN PARK CARE CENTER LLC (CA)1.000snf_all_owners
evidence
recorded: 2026-06-16
methodology: entity-graph/v1
attributes: {"role_code":"43","association_date":"01/03/2022","percentage_ownership":null}
evidence: {"rule":"D-OWNER","owner_pac":"3779620521","source_pk":11993,"type_owner":"I","enrollment_id":"O20031110000571","role_code_owner":"43","role_text_owner":"OPERATIONAL/MANAGERIAL CONTROL","dst_resolved_via":"pecos_enrlmt_id","percentage_ownership_raw":null,"enrollment_organization_name":"GARDEN PARK CARE CENTER, LLC"}
owns →SIERRA VIEW CARE HOLDINGS LLC (CA)1.000snf_all_owners
evidence
recorded: 2026-06-16
methodology: entity-graph/v1
attributes: {"role_code":"43","association_date":"01/03/2022","percentage_ownership":null}
evidence: {"rule":"D-OWNER","owner_pac":"3779620521","source_pk":76378,"type_owner":"I","enrollment_id":"O20090410000087","role_code_owner":"43","role_text_owner":"OPERATIONAL/MANAGERIAL CONTROL","dst_resolved_via":"pecos_enrlmt_id","percentage_ownership_raw":null,"enrollment_organization_name":"SIERRA VIEW CARE HOLDINGS LLC"}
owns →MJB PARTNERS LLC (CA)1.000snf_all_owners
evidence
recorded: 2026-06-16
methodology: entity-graph/v1
attributes: {"role_code":"43","association_date":"01/03/2022","percentage_ownership":null}
evidence: {"rule":"D-OWNER","owner_pac":"3779620521","source_pk":76482,"type_owner":"I","enrollment_id":"O20090414000177","role_code_owner":"43","role_text_owner":"OPERATIONAL/MANAGERIAL CONTROL","dst_resolved_via":"pecos_enrlmt_id","percentage_ownership_raw":null,"enrollment_organization_name":"MJB PARTNERS LLC"}
owns →INLAND MEDICAL ENTERPRISES INC (CA)1.000snf_all_owners
evidence
recorded: 2026-06-16
methodology: entity-graph/v1
attributes: {"role_code":"43","association_date":"01/03/2022","percentage_ownership":null}
evidence: {"rule":"D-OWNER","owner_pac":"3779620521","source_pk":81804,"type_owner":"I","enrollment_id":"O20091001000418","role_code_owner":"43","role_text_owner":"OPERATIONAL/MANAGERIAL CONTROL","dst_resolved_via":"pecos_enrlmt_id","percentage_ownership_raw":null,"enrollment_organization_name":"INLAND MEDICAL ENTERPRISES INC"}
owns →VILLA RANCHO BERNARDO HEALTH CARE LLC (CA)1.000snf_all_owners
evidence
recorded: 2026-06-16
methodology: entity-graph/v1
attributes: {"role_code":"43","association_date":"01/03/2022","percentage_ownership":null}
evidence: {"rule":"D-OWNER","owner_pac":"3779620521","source_pk":84764,"type_owner":"I","enrollment_id":"O20091228000286","role_code_owner":"43","role_text_owner":"OPERATIONAL/MANAGERIAL CONTROL","dst_resolved_via":"pecos_enrlmt_id","percentage_ownership_raw":null,"enrollment_organization_name":"VILLA RANCHO BERNARDO HEALTH CARE LLC"}
owns →HERITAGE MANOR HEALTHCARE LLC (CA)1.000snf_all_owners
evidence
recorded: 2026-06-16
methodology: entity-graph/v1
attributes: {"role_code":"43","association_date":"01/03/2022","percentage_ownership":null}
evidence: {"rule":"D-OWNER","owner_pac":"3779620521","source_pk":87303,"type_owner":"I","enrollment_id":"O20100202000393","role_code_owner":"43","role_text_owner":"OPERATIONAL/MANAGERIAL CONTROL","dst_resolved_via":"pecos_enrlmt_id","percentage_ownership_raw":null,"enrollment_organization_name":"HERITAGE MANOR HEALTHCARE LLC"}
owns →MONTEREY PARK CONVALESCENT HOSPITAL INC (CA)1.000snf_all_owners
evidence
recorded: 2026-06-16
methodology: entity-graph/v1
attributes: {"role_code":"43","association_date":"01/03/2022","percentage_ownership":null}
evidence: {"rule":"D-OWNER","owner_pac":"3779620521","source_pk":90815,"type_owner":"I","enrollment_id":"O20100503000117","role_code_owner":"43","role_text_owner":"OPERATIONAL/MANAGERIAL CONTROL","dst_resolved_via":"pecos_enrlmt_id","percentage_ownership_raw":null,"enrollment_organization_name":"MONTEREY PARK CONVALESCENT HOSPITAL INC"}
owns →F & B HEALTHCARE (CA)1.000snf_all_owners
evidence
recorded: 2026-06-16
methodology: entity-graph/v1
attributes: {"role_code":"43","association_date":"01/03/2022","percentage_ownership":null}
evidence: {"rule":"D-OWNER","owner_pac":"3779620521","source_pk":98957,"type_owner":"I","enrollment_id":"O20110302000682","role_code_owner":"43","role_text_owner":"OPERATIONAL/MANAGERIAL CONTROL","dst_resolved_via":"pecos_enrlmt_id","percentage_ownership_raw":null,"enrollment_organization_name":"F & B HEALTHCARE"}
owns →GIBRALTAR CONVALESCENT HOSPITAL INC (CA)1.000snf_all_owners
evidence
recorded: 2026-06-16
methodology: entity-graph/v1
attributes: {"role_code":"40","association_date":"01/03/2022","percentage_ownership":null}
evidence: {"rule":"D-OWNER","owner_pac":"3779620521","source_pk":98983,"type_owner":"I","enrollment_id":"O20110302000760","role_code_owner":"40","role_text_owner":"CORPORATE OFFICER","dst_resolved_via":"pecos_enrlmt_id","percentage_ownership_raw":null,"enrollment_organization_name":"GIBRALTAR CONVALESCENT HOSPITAL INC"}
owns →ANAHEIM HEALTHCARE CENTER LLC (CA)1.000snf_all_owners
evidence
recorded: 2026-06-16
methodology: entity-graph/v1
attributes: {"role_code":"43","association_date":"01/03/2022","percentage_ownership":null}
evidence: {"rule":"D-OWNER","owner_pac":"3779620521","source_pk":99259,"type_owner":"I","enrollment_id":"O20110316000221","role_code_owner":"43","role_text_owner":"OPERATIONAL/MANAGERIAL CONTROL","dst_resolved_via":"pecos_enrlmt_id","percentage_ownership_raw":null,"enrollment_organization_name":"ANAHEIM HEALTHCARE CENTER LLC"}
owns →CITRUS NURSING CENTER (CA)1.000snf_all_owners
evidence
recorded: 2026-06-16
methodology: entity-graph/v1
attributes: {"role_code":"40","association_date":"01/03/2022","percentage_ownership":null}
evidence: {"rule":"D-OWNER","owner_pac":"3779620521","source_pk":99280,"type_owner":"I","enrollment_id":"O20110316000285","role_code_owner":"40","role_text_owner":"CORPORATE OFFICER","dst_resolved_via":"pecos_enrlmt_id","percentage_ownership_raw":null,"enrollment_organization_name":"CITRUS NURSING CENTER"}
owns →SUN MAR HEALTHCARE, INC (CA)1.000snf_all_owners
evidence
recorded: 2026-06-16
methodology: entity-graph/v1
attributes: {"role_code":"43","association_date":"01/03/2022","percentage_ownership":null}
evidence: {"rule":"D-OWNER","owner_pac":"3779620521","source_pk":99316,"type_owner":"I","enrollment_id":"O20110317000182","role_code_owner":"43","role_text_owner":"OPERATIONAL/MANAGERIAL CONTROL","dst_resolved_via":"pecos_enrlmt_id","percentage_ownership_raw":null,"enrollment_organization_name":"SUN MAR HEALTHCARE, INC"}
owns →COLLEGE VISTA, LLC (CA)1.000snf_all_owners
evidence
recorded: 2026-06-16
methodology: entity-graph/v1
attributes: {"role_code":"43","association_date":"01/03/2022","percentage_ownership":null}
evidence: {"rule":"D-OWNER","owner_pac":"3779620521","source_pk":153777,"type_owner":"I","enrollment_id":"O20151208001764","role_code_owner":"43","role_text_owner":"OPERATIONAL/MANAGERIAL CONTROL","dst_resolved_via":"pecos_enrlmt_id","percentage_ownership_raw":null,"enrollment_organization_name":"COLLEGE VISTA LLC"}
owns →COLONIAL POST ACUTE LLC (CA)1.000snf_all_owners
evidence
recorded: 2026-06-16
methodology: entity-graph/v1
attributes: {"role_code":"43","association_date":"01/03/2022","percentage_ownership":null}
evidence: {"rule":"D-OWNER","owner_pac":"3779620521","source_pk":212841,"type_owner":"I","enrollment_id":"O20210820000827","role_code_owner":"43","role_text_owner":"OPERATIONAL/MANAGERIAL CONTROL","dst_resolved_via":"pecos_enrlmt_id","percentage_ownership_raw":null,"enrollment_organization_name":"COLONIAL POST ACUTE LLC"}
owns →MISSION CARMICHAEL POST ACUTE LLC (CA)1.000snf_all_owners
evidence
recorded: 2026-06-16
methodology: entity-graph/v1
attributes: {"role_code":"43","association_date":"01/03/2022","percentage_ownership":null}
evidence: {"rule":"D-OWNER","owner_pac":"3779620521","source_pk":214323,"type_owner":"I","enrollment_id":"O20211006002015","role_code_owner":"43","role_text_owner":"OPERATIONAL/MANAGERIAL CONTROL","dst_resolved_via":"pecos_enrlmt_id","percentage_ownership_raw":null,"enrollment_organization_name":"MISSION CARMICHAEL POST ACUTE LLC"}
owns →EXCELL POST ACUTE LLC (CA)1.000snf_all_owners
evidence
recorded: 2026-06-16
methodology: entity-graph/v1
attributes: {"role_code":"43","association_date":"01/03/2022","percentage_ownership":null}
evidence: {"rule":"D-OWNER","owner_pac":"3779620521","source_pk":214346,"type_owner":"I","enrollment_id":"O20211006002032","role_code_owner":"43","role_text_owner":"OPERATIONAL/MANAGERIAL CONTROL","dst_resolved_via":"pecos_enrlmt_id","percentage_ownership_raw":null,"enrollment_organization_name":"EXCELL POST ACUTE LLC"}
owns →TARZANA POST ACUTE LLC (CA)1.000snf_all_owners
evidence
recorded: 2026-06-16
methodology: entity-graph/v1
attributes: {"role_code":"43","association_date":"01/03/2022","percentage_ownership":null}
evidence: {"rule":"D-OWNER","owner_pac":"3779620521","source_pk":215493,"type_owner":"I","enrollment_id":"O20211104001515","role_code_owner":"43","role_text_owner":"OPERATIONAL/MANAGERIAL CONTROL","dst_resolved_via":"pecos_enrlmt_id","percentage_ownership_raw":null,"enrollment_organization_name":"TARZANA POST ACUTE LLC"}
owns →COURTYARD POST ACUTE LLC (CA)1.000snf_all_owners
evidence
recorded: 2026-06-16
methodology: entity-graph/v1
attributes: {"role_code":"43","association_date":"01/03/2022","percentage_ownership":null}
evidence: {"rule":"D-OWNER","owner_pac":"3779620521","source_pk":215728,"type_owner":"I","enrollment_id":"O20211110002499","role_code_owner":"43","role_text_owner":"OPERATIONAL/MANAGERIAL CONTROL","dst_resolved_via":"pecos_enrlmt_id","percentage_ownership_raw":null,"enrollment_organization_name":"COURTYARD POST ACUTE LLC"}
owns →DIAMOND RIDGE POST ACUTE LLC (CA)1.000snf_all_owners
evidence
recorded: 2026-06-16
methodology: entity-graph/v1
attributes: {"role_code":"43","association_date":"01/03/2022","percentage_ownership":null}
evidence: {"rule":"D-OWNER","owner_pac":"3779620521","source_pk":215969,"type_owner":"I","enrollment_id":"O20211117000746","role_code_owner":"43","role_text_owner":"OPERATIONAL/MANAGERIAL CONTROL","dst_resolved_via":"pecos_enrlmt_id","percentage_ownership_raw":null,"enrollment_organization_name":"DIAMOND RIDGE POST ACUTE LLC"}
owns →LA MIRADA POST ACUTE LLC (CA)1.000snf_all_owners
evidence
recorded: 2026-06-16
methodology: entity-graph/v1
attributes: {"role_code":"43","association_date":"01/03/2022","percentage_ownership":null}
evidence: {"rule":"D-OWNER","owner_pac":"3779620521","source_pk":227516,"type_owner":"I","enrollment_id":"O20221025000615","role_code_owner":"43","role_text_owner":"OPERATIONAL/MANAGERIAL CONTROL","dst_resolved_via":"pecos_enrlmt_id","percentage_ownership_raw":null,"enrollment_organization_name":"LA MIRADA POST ACUTE LLC"}
owns →LAKE FOREST POST ACUTE LLC (CA)1.000snf_all_owners
evidence
recorded: 2026-06-16
methodology: entity-graph/v1
attributes: {"role_code":"40","association_date":"01/03/2022","percentage_ownership":null}
evidence: {"rule":"D-OWNER","owner_pac":"3779620521","source_pk":229333,"type_owner":"I","enrollment_id":"O20221216002651","role_code_owner":"40","role_text_owner":"CORPORATE OFFICER","dst_resolved_via":"pecos_enrlmt_id","percentage_ownership_raw":null,"enrollment_organization_name":"LAKE FOREST POST ACUTE LLC"}
owns →GARDEN GROVE POST ACUTE LLC (CA)1.000snf_all_owners
evidence
recorded: 2026-06-16
methodology: entity-graph/v1
attributes: {"role_code":"43","association_date":"01/03/2022","percentage_ownership":null}
evidence: {"rule":"D-OWNER","owner_pac":"3779620521","source_pk":231303,"type_owner":"I","enrollment_id":"O20230202001730","role_code_owner":"43","role_text_owner":"OPERATIONAL/MANAGERIAL CONTROL","dst_resolved_via":"pecos_enrlmt_id","percentage_ownership_raw":null,"enrollment_organization_name":"GARDEN GROVE POST ACUTE LLC"}
owns →VISTA SKILLED LLC (CA)1.000snf_all_owners
evidence
recorded: 2026-06-16
methodology: entity-graph/v1
attributes: {"role_code":"40","association_date":"01/03/2022","percentage_ownership":null}
evidence: {"rule":"D-OWNER","owner_pac":"3779620521","source_pk":231722,"type_owner":"I","enrollment_id":"O20230213001318","role_code_owner":"40","role_text_owner":"CORPORATE OFFICER","dst_resolved_via":"pecos_enrlmt_id","percentage_ownership_raw":null,"enrollment_organization_name":"VISTA SKILLED LLC"}
owns →BARSTOW POST ACUTE LLC (CA)1.000snf_all_owners
evidence
recorded: 2026-06-16
methodology: entity-graph/v1
attributes: {"role_code":"43","association_date":"01/03/2022","percentage_ownership":null}
evidence: {"rule":"D-OWNER","owner_pac":"3779620521","source_pk":231799,"type_owner":"I","enrollment_id":"O20230217000381","role_code_owner":"43","role_text_owner":"OPERATIONAL/MANAGERIAL CONTROL","dst_resolved_via":"pecos_enrlmt_id","percentage_ownership_raw":null,"enrollment_organization_name":"BARSTOW POST ACUTE LLC"}

Current record

Current claims returned for this entity, grouped by provenance subject. The table exposes the source identifier recorded for each claim.

Point-in-time

Query retained claim coordinates under bitemporal-read/v1. Most facts have no superseded row; dates outside retained coverage may return no prior version, and diffs require both coordinates.

As of
Diff

Pick a date to reconstruct, or two dates to diff. Equivalent JSON: /api/v1/history/{subject_type}/{subject_id}?at=… and …/diff?from=…&to=…

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