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Contact Us

We welcome inquiries about StarStone Workers' Compensation products and services.

Corporate Headquarters

201 East Fifth Street, Suite 1200
Cincinnati, OH 45202
Phone: 513.599.7511 | Toll-free: 844.722.7827 (STAR) | Fax: 513.599.7501

For Accounts Receivable/Payable Questions:

Email: WorkersCompBilling@corespecialty.com

For Claims Services:

First Notice or Loss Email: WCNewClaims@corespecialty.comGeneral Questions Email: WCClaims@corespecialty.com

To Request Loss Control Services:

Phone: 206.269.8551Email: Tom.Genin@corespecialty.com

To Request Loss Runs:

Email: WCLossRuns@corespecialty.com

For Policyholder Support Questions:

Email: StarStone.requests@corespecialty.com

Payment Terms and Conditions:

Please remit payment upon receipt of an invoice and provide the following information with each remittance:
  • Primary Named Insured/Policy Holder Name
  • Policy Number

Payment Details

US Mail
Payable to StarStone National Insurance Company
Core Specialty Insurance Services, Inc.
P.O. Box # 632251
Cincinnati, OH 45263-2251
Overnight Mail or Courier
Payable to StarStone National Insurance Company
Core Specialty Insurance Services, Inc.
Fifth Third Wholesale Lockbox
Lockbox # 632251
5050 Kingsley Dr.
MD 1MOC1Q
Cincinnati, OH 45227