Special Investigation Unit

    Special Investigation Unit


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    MassMutual Issues Official Statement Regarding Claims Made by Opec AG Financial Group

    Questions related to IRS Forms 1099
    If you received an IRS 1099 form and you do not know why, please first contact the toll free service center number listed at the top right hand corner of the 1099 form.  A service representative will review the account with you.  If you believe after speaking with customer service that fraud may have occurred please use the contact information on this page to notify MassMutual’s Investigation Department.

    Questions Involving MassMutual Retirement Services Account Information
    If you received a letter or statement regarding an account balance that you believe is incorrect, please first contact the Retirement Services toll free number (800)-743-5274.  A service representative will review the account with you.  If you believe after speaking with customer service that a fraud may have occurred please use the contact information on this page to notify MassMutual’s Investigations Department.


    What is fraud?
    Fraud is the "intentional perversion of truth in order to induce another to part with something of value or to surrender a legal right." (By permission. From Merriam-Webster's Collegiate® Dictionary at www.Merriam-Webster.com by Merriam-Webster, Incorporated.)

    What is the special investigation unit?
    The Special Investigation Unit (SIU) is vigilant, proactive and public in our commitment to fighting fraud. Our SIU brings together professionals from a number of departments who collectively possess the expertise and professional skills needed to fight fraud.

    Our SIU actively educates, detects, investigates, prevents and reports suspected insurance fraud. The SIU cooperates with law enforcement agencies to prosecute civil and criminal fraud.

    We are a board member of the Coalition Against Insurance Fraud (C.A.I.F.) and a founding member of the New York Alliance Against Insurance Fraud (N.Y.A.A.I.F.).

    Contact us to report suspected insurance fraud:

    Toll-free: (888) 697-8687

    Send Us an E-mail

    U.S. Postal:
    MassMutual Financial Group
    1295 State Street - B430
    Springfield, MA 01111-0001

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