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Let's Talk

Do you have a question or need assistance? We’re happy to help. Here’s how to get in touch with us at our headquarters:

Phone

  • Main Telephone: 781-914-1200
  • Service Center: 888-762-6088
  • Feedback: 781-914-1300

Mail

Written correspondence may be sent to our headquarters at:

55 Walkers Brook Drive, Suite 100
P.O. Box 5000
Reading, Massachusetts 01867

Fax

Faxes may be sent to our headquarters by using the following numbers:

  • FSA Claim Submission Fax: 781-213-7301
  • Company General Fax: 781-213-6770

Email

You can email us from this page by using the form to the right. Complete all requested information and then select the "Submit" button.

Important Privacy Note: As part of our ongoing commitment to safeguarding our clients' privacy, it is against our company's privacy policy to respond to requests for personal information, including PIN resets, account and claim information via email. For assistance, please contact the Sentinel Service Center at 888-762-6088. Representatives are available Monday - Friday, 8:00 a.m. to 6:00 p.m. ET (excluding holidays).

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