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    Healthcare
    Medium
    investigation open
    Updated about 1 month ago

    Columbia Medical Practice Data Breach

    Key takeaways

    • Reports suggest a potential breach involving Columbia Medical Practice.
    • Discovered on November 5, 2025.
    • Possible data exposed: Names, Addresses, Phone Numbers, Dates of Birth, Social Security Numbers, Driver's License Numbers, Passport Numbers, Government Identifiers, Health Service Locations, Dates of Service, Treatment Information, Condition Information, Diagnoses, Diagnosis Codes, Prescription Details, Medical History, Assigned Physician, Financial Account Numbers, Health Insurance Subscriber Numbers, Health Insurance Identification Numbers, Patient Account Numbers, Name, Address, Phone Number, Date of Birth, SSN, Driver's License Number, Passport Number, Government ID, Location/Dates of Health Services, Treatment/Condition Information, Diagnoses/Codes, H ealth Insurance Subscriber/ID Numbers.
    • Affects individuals in: Maryland.
    • Confirmation level: Confirmed by company.

    Breach confirmed

    The Columbia Medical Practice breach is confirmed. If you may be affected, add your details below and we will take it from there.

    Detailed summary

    In November 2025, Columbia Medical Practice, a healthcare organization based in Columbia, Maryland, experienced a ransomware attack. This incident, disclosed on January 22, 2026, by Strauss Borrelli PLLC, involved unauthorized access to sensitive personal and protected health information.

    The breach affected approximately 3,000 individuals, compromising data types such as names, addresses, phone numbers, dates of birth, Social Security numbers (SSNs), driver's license numbers, passport numbers, and other government IDs. It also involved protected health information including health service details, treatment information, diagnoses, prescription details, medical history, and assigned physicians. Financial data, specifically patient account numbers and financial account numbers, along with health insurance subscriber/ID numbers, were also involved. The full extent of data compromised has not yet been publicly confirmed.

    Details are still emerging, and direct mailed notifications to affected individuals are planned after a review of files. It is important to note that information about data breaches can evolve as investigations proceed and additional facts become available.

    Data possibly involved

    • Names
    • Addresses
      Could be combined with other data for identity theft
    • Phone Numbers
      May be used for SIM swapping or targeted scam calls
    • Dates of Birth
    • Social Security Numbers
      Can be used to open fraudulent accounts and file false tax returns
    • Driver's License Numbers
      Can be used for identity fraud
    • Passport Numbers
    • Government Identifiers
    • Health Service Locations
    • Dates of Service
    • Treatment Information
    • Condition Information
    • Diagnoses
    • Diagnosis Codes
    • Prescription Details
    • Medical History
    • Assigned Physician
    • Financial Account Numbers
    • Health Insurance Subscriber Numbers
      Could be used for insurance fraud
    • Health Insurance Identification Numbers
      Could be used for insurance fraud
    • Patient Account Numbers
    • Name
    • Address
      Could be combined with other data for identity theft
    • Phone Number
      May be used for SIM swapping or targeted scam calls
    • Date of Birth
      Often used in combination with other data for identity theft
    • SSN
      Can be used to open fraudulent accounts and file false tax returns
    • Driver's License Number
      Can be used for identity fraud
    • Passport Number
    • Government ID
    • Location/Dates of Health Services
    • Treatment/Condition Information
    • Diagnoses/Codes
    • H ealth Insurance Subscriber/ID Numbers

    Breach Verification Status

    Reports Only

    Complete

    Initial dark web reports of potential breach

    Company Confirmed

    Current

    Company has acknowledged the breach

    Regulator Confirmed

    Confirmed by regulatory authorities

    Note: Breach verification can take time. Information may evolve as more details become available from companies and regulators.

    Case Status:
    Investigation Open

    We're actively investigating this case and seeking affected individuals.

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    What should I do?

    Change your passwords

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    Enable two-factor authentication

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    Monitor your accounts

    Watch for suspicious activity on your financial and online accounts

    Watch for phishing attempts

    Be cautious of emails or messages claiming to be from the affected company

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