People search Concentra data breach timeline because regulated data and trust are existential—one incident triggers class actions and regulator exams. BreachHistory indexes 1 Concentra-linked incident, with headline counts up to 4M+ in catalog rows. This page maps every attested event through 2026 with internal links to canonical records.
Why Concentra breach history matters
Concentra operates in Healthcare (United States). Across indexed rows, recurring themes include third-party and supply-chain exposure. Understanding the chronological pattern helps security teams, customers, and regulators separate confirmed disclosures from forum marketing.
Full timeline through 2026
2023 — 4M patients (PJ&A vendor breach)
Cataloged incident. Concentra Health Services was affected by a breach at third-party medical transcription vendor Perry Johnson & Associates (PJ&A). Unauthorized access occurred March 27–May 2, 2023; Concentra patient data was accessed April 7 and 19. The PJ&A breach affected over 13.45 million across multiple healthcare organizations. Exposed data included names, DOB, addresses, medical record numbers, SSNs, insurance info, and clinical transcription data. Exposed categories include Names, dates of birth, addresses, medical record numbers, SSNs, insurance information, clinical data. BreachHistory cites approximately 4M+ affected records in this row. See the concentra2023 and canonical BreachHistory entry.
Patterns and analysis
- Third-party and supply-chain exposure — appears across multiple Concentra catalog entries; prioritize controls that address this class of failure.
- Record-count hygiene — BreachHistory indexes actor-cited figures separately from company-confirmed totals; read each row's technicalWriteup before treating counts as fact.
- 2026 monitoring — New disclosures roll into this timeline as they are verified or labeled unverified per catalog policy.
What to do if you may be affected
- Step 1: Enable phishing-resistant MFA on every account tied to this brand.
- Step 2: Use unique passwords and a password manager—breach rows often involve credential reuse.
- Step 3: Monitor official company breach notices and regulator filings, not dark-web downloads.
- Step 4: Watch for medical-ID theft and billing fraud after health-data incidents.
- Step 5: Bookmark the Concentra company page for new 2026+ disclosures.
Canonical BreachHistory hub
Explore every indexed row: breachhistory.com/concentra · Latest: concentra2023.
Sources: BreachHistory catalog (1 row for Concentra), company and regulator disclosures cited in individual breach records.