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Billing Instructions


Vendor Bill Filing

Chesapeake Employers' Insurance Company Bill Payment Department strives to pay bills timely and accurately. It is important that bills submitted to us adhere to our guidelines so that we can promptly address your invoices. Please read the documents on this website which provides you with instructions that will help you create invoices that will improve the efficiency and accuracy of our reimbursements to you.

Bill Status Inquiry

To inquire about a bill, please call our Customer Service Call Center at 1-800-264-4943. Please have ready the employee proper name, current address, social security number, date of injury andChesapeake Employers' claim number.

Avoid Common Causes of Processing Delays, Rejections, and Denials

  • Handwritten forms are not acceptable. Please use only typewritten or computer-generated output for your invoices and correspondence.

  • W-9 form is not on file. We must have a valid W-9 form on file so that the tax ID number used on the invoice matches with this filing.

  • Bill arrived without appropriate authorization. Please obtain an authorization number from the Pre-Cert department for any service that requires prior approval. Include this number in box #23 of the HCFA-1500 form.

  • Incorrect form used. Medical services must be submitted on the appropriate forms. Please do not send invoices or statements.

Electronic Services

EFT enables you to receive reimbursement for services provided to injured workers directly into your bank account. To enroll in Direct Deposit-EFT, simply download the Direct Deposit form and mail or fax (410-494-2088) to Chesapeake Employers Insurance, attention Finance Department. For more information contact the Customer Service Call Center at 1-800-264-4943

Electronic Claims Submissions (EDI)

For those providers who would like to submit claims electronically to Chesapeake Employers Insurance, please contact Gale Reikenis, at 410-832-4710 or Contact Us.

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Chesapeake Employers' Insurance Company •  Formerly the Injured Workers' Insurance Fund • 8722 Loch Raven Blvd. • Towson, MD 21286   410-494-2000  1-800-264-4943   Privacy Policy and Data Security