Atlantic Digestive Specialists Data Breach Investigation: Edelson Lechtzin LLP Probes Class Action Claims After Customer Data Is Exposed

National class action law firm offers free, confidential case evaluations to patients whose personal and protected health information may have been exposed in the Atlantic Digestive Specialists data breach.

NEWTOWN, Pa., Oct. 2, 2026 /PRNewswire/ -- Edelson Lechtzin LLP, a national class action law firm, is investigating data privacy claims arising from a reported data breach at Atlantic Digestive Specialists. Anyone who has received a data breach notice from Atlantic Digestive Specialists, or who believes their personal information may have been exposed, can request a free case evaluation.

Atlantic Digestive Specialists data breach — at a glance

• Company: Atlantic Digestive Specialists is a private gastroenterology practice in New Hampshire, with clinics in Somersworth, Portsmouth, and Hampton.
• Reported: Atlantic Digestive began notifying affected individuals on September 30, 2026, and reported the incident to state regulators.
• How it happened: Atlantic Digestive was alerted to suspicious activity on its network in March 2026 and investigated with cybersecurity experts.
• When: The unauthorized access occurred between March 16 and March 17, 2026, and a review concluding in August 2026 confirmed personal and protected health information was involved.
• Who may be affected: Patients whose personal or protected health information was maintained by Atlantic Digestive Specialists and who received a notification letter.
• Status: At least 51 Rhode Island residents were notified; the total number affected and the attacker's identity have not been publicly confirmed.
• Cost to you: Nothing. Click here for a free evaluation.

What Happened

Atlantic Digestive was alerted to suspicious activity on its network in March 2026 and investigated with cybersecurity experts. It determined that information may have been viewed or acquired without authorization between March 16 and March 17, 2026. A review concluding in August 2026 confirmed that personal and protected health information was in the affected data, and Atlantic Digestive began notifying individuals on September 30, 2026. The total affected has not been publicly confirmed, though the notice reports at least 51 Rhode Island residents were notified.

What Personal Information May Be at Risk

Based on Atlantic Digestive's review, the information involved varied by individual and spans a broad range of identifiers and protected health information. It may include names, Social Security numbers, driver's license or state ID numbers, dates of birth, financial account and payment card information, passport, taxpayer, and alien registration numbers, and health data such as clinical information, diagnoses, medical histories and record numbers, treatment and prescription information, Medicaid/Medicare numbers, provider names, health insurance policy numbers, and usernames and passwords.

Your Legal Options

Edelson Lechtzin LLP is investigating a potential class action on behalf of patients whose sensitive personal and health information may have been compromised. A successful case could recover compensation for losses such as lost time, out-of-pocket costs, and loss of privacy, and could push Atlantic Digestive Specialists to strengthen how it protects personal information. Anyone who received a breach notification may face an increased risk of identity theft and fraud and is encouraged to come forward. The firm will evaluate your rights and potential claims at no cost.

Recommended Steps to Protect Yourself

Preserve your notification letter and monitor your account statements and credit reports for suspicious activity, reporting anything unfamiliar to your financial institution.

Request your free annual credit reports at annualcreditreport.com, and consider placing a fraud alert or security freeze with Equifax, Experian, and TransUnion.

Because medical and insurance information may be involved, review explanation-of-benefits statements for services you did not receive, and watch for medical identity theft.

Call Atlantic Digestive's toll-free help line at 1-866-200-0962 (Monday–Friday, 9:00 a.m.–9:00 p.m. ET) with questions, and review the FTC's identity-theft resources at ftc.gov/idtheft.

Contact Us for a Free Case Evaluation

Speak confidentially with a data privacy attorney today: Marc Edelson, Esq., Edelson Lechtzin LLP, 411 S. State Street, Suite N-300, Newtown, PA 18940; Phone: 844-696-7492; Email: [email protected]; Web: www.edelson-law.com.

About Edelson Lechtzin LLP

Edelson Lechtzin LLP is a national class action law firm with offices in Pennsylvania and California. In addition to data breach litigation, the firm handles class and collective actions involving securities and investment fraud, federal antitrust violations, ERISA employee benefit plans, wage theft, and consumer fraud.

Legal Notice: This press release may be considered Attorney Advertising in some jurisdictions. Prior results do not guarantee a similar outcome. The data breach described above is based on Atlantic Digestive Specialists' notice of the incident; certain details, including the total number of individuals affected, remain unconfirmed.

SOURCE Edelson Lechtzin LLP