Submit a payment to Medical Financial Specialists
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This is the official online payment website for Medical Financial Specialists. If you have any questions or issues with this payment website, please click on the support link below to send an email. If you have a question about your account with MFS, please call 425-412-3280 Monday thru Friday 8:00am – 5:00pm. Payments made via this website should be submitted at least 3 days before the due date to avoid late fees.



Medical Financial Specialists
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Please review the details of your payment