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Sterling Insurance is dedicated to meeting your needs and addressing any questions, comments or concerns you may have – it’s all part of our “Real People” service. Choose from one of the options below and a specially-trained representative will gladly assist you.

If you have questions or need information about Medicare Advantage or Prescription Drug (PDP) plans, please click here to contact Windsor Health Plan.

To contact Sterling or to submit documentation by USPS mail, please use the address below.

For Medicare Supplement, Sterling Premier Medicare Supplement, or Sterling Medicare Select


Sterling Life Insurance Company
P.O. Box 5348
Bellingham, WA 98227-5348

For overnight mail services like FedEx and UPS, please use our physical address:

Sterling Life Insurance Company
2219 Rimland Drive
Bellingham, WA 98226

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