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Dominion Dental Services, Inc., Dominion National Insurance Company, and Dominion Dental Services USA, Inc. (hereinafter referred to collectively as “Dominion National”) Data Breach (June 2019): What Was Exposed and What To Do

Last updated Oct 20, 2026 · Based on 3 official filings · See sources

According to the notice filed with the Maine Attorney General on Jun 21, 2019, Dominion Dental Services, Inc., Dominion National Insurance Company, and Dominion Dental Services USA, Inc. (hereinafter referred to collectively as “Dominion National”) reported a data breach. It was also reported to the U.S. Department of Health and Human Services, Office for Civil Rights and the California Attorney General. People affected: 3,119,635 people (official total in the Maine Attorney General filing, filed Jun 21, 2019).

Key facts

From 3 official filings
Organization
Dominion Dental Services, Inc., Dominion National Insurance Company, and Dominion Dental Services USA, Inc. (hereinafter referred to collectively as “Dominion National”)
Also filed as: Dominion Dental Services, Inc., Dominion National Insurance Company, and Dominion Dental Services USA, Inc.; Dominion Dental Services, Inc., Dominion National Insurance Company, and Dominion Dental Services USA, Inc. (hereinafter referred to collectively as “Dominion National”).
Source: Maine Attorney General, filed Jun 21, 2019
People affected
3,119,635
Official total in the Maine Attorney General filing, filed Jun 21, 2019
Source: Maine Attorney General, filed Jun 21, 2019
Incident dates
Aug 25, 2010 – Mar 31, 2019
Source: Maine Attorney General, filed Jun 21, 2019
Discovered Apr 24, 2019
Source: Maine Attorney General, filed Jun 21, 2019
Notice dates
Letters dated Jun 21, 2019
Source: Maine Attorney General, filed Jun 21, 2019
First filed Jun 21, 2019
Information exposed
  • Social Security number
  • Medical information
Sources: Maine AG, Jun 21, 2019; HHS, Jun 21, 2019
Filed with
Free credit monitoring
Offered
Duration: 24 Months; Provider: ID Experts
Source: Maine Attorney General, filed Jun 21, 2019

What to do now

Steps chosen from the information listed in the official filings. Your own letter may list more.

  1. Dominion Dental Services, Inc., Dominion National Insurance Company, and Dominion Dental Services USA, Inc. (hereinafter referred to collectively as “Dominion National”) offered free credit monitoring. Use the enrollment code printed in your letter. Never share that code with anyone who contacts you.

    Source: Maine Attorney General, filed Jun 21, 2019

  2. A credit freeze stops new credit accounts being opened in your name. It is free by law and you can lift it when you need credit: Equifax, Experian and TransUnion.

  3. An IP PIN stops someone else filing a tax return with your Social Security number. Get one from the IRS at irs.gov.

  4. Check the Explanation of Benefits (EOB) statements from your insurer for visits, prescriptions or claims you do not recognize, and contact your insurer about anything unfamiliar.

  5. Scammers often contact people after a breach, pretending to be the organization, a bank or a government agency. Do not give your Social Security number, passwords or codes to anyone who contacts you first.

  6. You can get free credit reports from all three bureaus at AnnualCreditReport.com, the official site.

  7. The Federal Trade Commission's IdentityTheft.gov gives you a personal recovery plan.

Is the letter real?

Letters usually list a phone number for questions. We could not find an official copy of the letter, so check that the organization named in your letter appears in the official filings listed below before you call.

Never give your Social Security number, bank details or passwords to someone who contacts you first.

Timeline

  1. Incident began (earliest date reported) source
  2. Incident ended (latest date reported) source
  3. Organization discovered the incident source
  4. Notice letters dated source
  5. Reported to Maine AG, HHS and California AG source

Sources

  1. Maine Attorney General Notice filed Jun 21, 2019
    Filed as “Dominion Dental Services, Inc., Dominion National Insurance Company, and Dominion Dental Services USA, Inc. (hereinafter referred to collectively as “Dominion National”)” · 593 Maine residents · total 3,119,635
    The link opens the Maine Attorney General's archive of notices (2012–2020).
  2. Filed as “Dominion Dental Services, Inc., Dominion National Insurance Company, and Dominion Dental Services USA, Inc.” · total 2,964,778
    The link opens the agency's list; search it for the organization name.
  3. California Attorney General Notice filed Jun 21, 2019
    Filed as “Dominion Dental Services, Inc., Dominion National Insurance Company, and Dominion Dental Services USA, Inc. (hereinafter referred to collectively as “Dominion National”).”

Last updated Oct 20, 2026. Our summaries are written in our own words from the official filings above. Spotted an error? Report a correction.