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Sea Mar Community Health Centers 
Data Breach

The Lyon Firm is actively involved in healthcare data breach lawsuits nationwide
Nationwide Success

Investigating Sea Mar data breach claims

Thank you for considering The Lyon Firm. At this time, we are not accepting plaintiffs related to this specific consumer issue. However, if you would like to be contacted in the future, please complete the contact form. By completing the form you will be contacted if the Firm begins accepting new cases on this matter, and you will also be included in firm news alerts related to important consumer safety and privacy issues to help keep you informed about related issues.

Sea Mar Community Health Centers, a Washington non-profit that provides healthcare services to under-served communities, has announced a data breach incident, and has sent data breach notification letters to former Seamar patients who are potentially impacted.

In late June 2021, Sea Mar learned that personal data had been copied from its network by an unauthorized individual. Independent cybersecurity experts learned that additional data may have been stolen at an earlier date.

Sea Mar is not yet aware of any evidence of data misuse, though in data breach events, data is generally stolen in order to sell or hold for ransom. Compromised personal data may include:

  • Name
  • Address
  • Social Security number
  • Date of birth
  • Client identification number (CIN)
  • Diagnostic and treatment information
  • Medical, vision or dental insurance information

The Lyon Firm is investigating the Seamar Health data breach and is actively involved in numerous data privacy cases and has experience filing data security claims on behalf of plaintiffs nationwide.


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Joseph Lyon has 17 years of experience representing individuals in complex litigation matters. He has represented individuals in every state against many of the largest companies in the world.

The Firm focuses on single-event civil cases and class actions involving corporate neglect & fraud, toxic exposure, product defects & recalls, medical malpractice, and invasion of privacy.


The Firm offers contingency fees, advancing all costs of the litigation, and accepting the full financial risk, allowing our clients full access to the legal system while reducing the financial stress while they focus on their healthcare and financial needs.