BAYMARK HEALTH SERVICES, INC.
ent_019e20787b0d1e93a5c29c8fcc792cc1
Disclosures
17
State AG · HHS OCR · Leak Site · 12 jurisdictions
Multi-filing incidents
1
incidents joining 2+ filings here
Max affected reported
282,249
nationwide · State AG OR
Leak-site claims
2
unverified actor claims
Identity resolution
- Canonical name
- BAYMARK HEALTH SERVICES, INC.
- Normalized
- baymark health— dedupe via name-norm; Microsoft / MSFT collapse to one row
- GLEIF LEI
- 549300MPUWWQ4MTD7S92
- SEC EDGAR CIK
- None — not an SEC registrant
- Domain
- baymark.com
Disclosure history (17)newest first
- Oregon State AGas victim2025-05-02
BayMark Health Services, Inc. reported a data breach to the Oregon Attorney General. The breach was reported on 2025-05-02. The breach occurred during 9/24/2024 - 10/14/2024. The breach was discovered on 3/20/2025. 282,249 individuals were affected. Notice was sent on 5/2/2025.
- Indiana State AGas victim2025-05-02
BayMark Health Services Inc reported a data breach to the Indiana Attorney General. The breach occurred on 2024-09-24 and was reported on 2025-05-02. 200 Indiana residents were affected. 16,548 individuals affected in total.
- New Hampshire State AGas victim2025-05-02
BayMark Health Services, Inc. notified the New Hampshire Attorney General of a security incident affecting 5,460 NH residents. Unauthorized access occurred between Sept 24 and Oct 14, 2024. BayMark detected the incident on Oct 11, 2024, and confirmed patient data was involved on March 20, 2025. Notifications were mailed on May 2, 2025, offering credit monitoring.
- Maine State AGas victim2025-05-02
BayMark Health Services, Inc. reported an external system breach (hacking) occurring between September 24 and October 14, 2024. The incident affected 16,548 individuals, including 481 Maine residents. Compromised data included names, SSNs, driver's license numbers, and medical information. BayMark engaged forensic experts, notified law enforcement, and provided 12 months of credit monitoring via Equifax.
- Washington State AGas victim2025-05-02
BayMark Health Services, Inc. disclosed a ransomware incident affecting 2,263 Washington residents. Unauthorized access occurred between Sept 24 and Oct 14, 2024. Patient data including SSNs, driver's licenses, and PHI was exposed. Notification sent May 2, 2025.
- California State AGas victim2025-05-02
BayMark Health Services, Inc. disclosed that an unauthorized party accessed files on its systems between September 24 and October 14, 2024. The company learned of the incident on October 11, 2024. Affected data included names, Social Security numbers, driver's license numbers, dates of birth, and health/treatment information. The incident did not impact patient care at facilities. BayMark engaged forensic experts, notified law enforcement, and is offering one year of credit monitoring.
- Nebraska State AGas victim2025-05-02
BayMark Health Services, Inc. filed a supplemental data breach notice with the Nebraska Attorney General regarding an incident affecting 2,700 Nebraska residents. Unauthorized access occurred between September 24 and October 14, 2024, discovered on October 11, 2024. The breach exposed names, SSNs, driver's license numbers, dates of birth, and PHI (services, providers, treatment info). Notifications were mailed on May 2, 2025, offering one year of Equifax credit monitoring. BayMark engaged forensic experts and law enforcement.
- Vermont State AGas victim2025-05-02
BayMark Health Services, Inc. notified consumers of a data breach where an unauthorized party accessed files on its central IT systems between September 24 and October 14, 2024. The incident exposed patient PII including names, SSNs, driver's licenses, and PHI. BayMark engaged forensic experts, notified law enforcement, and offered one year of Equifax credit monitoring.
- Illinois State AGas victim2025-05-01
BAYMARK HEALTH SERVICES, INC. filed a data-breach notice with the Illinois Attorney General in May 2025 (case 25-05-133). The register records the breach as discovered on March 20, 2025. Personal information types reported: drivers license, medical information, ssn. Illinois does not publish the number of people affected — 815 ILCS 530/10 permits the Attorney General to publish only the entity name, the types of personal information and the date range.
- TEXASHHS OCRas victim2025-01-08
BayMark Health Services, Inc. reported to HHS on 2025-01-08 a Hacking/IT Incident affecting 265701 individuals. Breached information located on Network Server. Business Associate present.
- Nebraska State AGas victim2025-01-08
BayMark Health Services, Inc. disclosed a cybersecurity incident affecting Nebraska residents. Unauthorized access occurred between September 24 and October 14, 2024, discovered on October 11, 2024. Patient information, including names, SSNs, driver's license numbers, dates of birth, and PHI, was accessed. Notifications were mailed on January 8, 2025, offering one year of credit monitoring.
- California State AGas victim2025-01-08
BayMark Health Services, Inc. reported that an unauthorized party accessed files on its systems between September 24 and October 14, 2024. The company discovered the incident on October 11, 2024. Affected information may include names, Social Security numbers, driver's license numbers, dates of birth, and health-related data such as services received, dates of service, insurance information, and treatment details. BayMark engaged third-party forensic experts, notified law enforcement, and implemented additional security safeguards. Complimentary credit monitoring is being offered to affected individuals.
- Massachusetts State AGas victim2025-01-08
BayMark Health Services, Inc. reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2025-01-08. 21,313 Massachusetts residents were affected.
- Vermont State AGas victim2025-01-08
BayMark Health Services, Inc. notified consumers of a data breach where unauthorized parties accessed patient files between September 24 and October 14, 2024. The incident involved names, SSNs, driver's licenses, DOBs, and PHI. BayMark engaged forensic experts, notified law enforcement, and offered one year of Equifax credit monitoring.
- Illinois State AGas victim2025-01-01
BAYMARK HEALTH SERVICES, INC filed a data-breach notice with the Illinois Attorney General in January 2025 (case 25-01-012). The register records the breach as discovered on September 24, 2024. Illinois does not publish the number of people affected — 815 ILCS 530/10 permits the Attorney General to publish only the entity name, the types of personal information and the date range.
- GLOBALLeak Siteas victim2024-10-11
BayMark Health Services is a leading provider specializing in the treatment of opioid addiction and related conditions. They offer medication-assisted treatment programs, incorporating medications like methadone and buprenorphine, alongside counseling and support services. With numerous facilities across North America, BayMark is dedicated to helping individuals achieve recovery and improve their quality of life.
- GLOBALLeak Siteas victim2024-09-29
BayMark Health Services is a leading provider specializing in the treatment of opioid addiction and related conditions. They offer medication-assisted treatment programs, incorporating medications like methadone and buprenorphine, alongside counseling and support services. With numerous facilities across North America, BayMark is dedicated to helping individuals achieve recovery and improve their quality of life.