Castle Biosciences
All-In-One Bill Pay with doxo.
- All-in-one bill pay to over 100,000 billers
- Pay for free with Linked Bank Account. Fees may apply for other payment methods
- Manage all your due dates and reminders in one place
- Track payment delivery and history
- Anytime access with doxo iPhone and Android apps
- Safe & Secure: your payment card and bank details are never shared with any biller
doxo is a secure all-in-one service to organize all your provider accounts in a single app, enabling reliable payment delivery to thousands of billers. doxo is not an affiliate of Castle Biosciences. Logos and other trademarks within this site are the property of their respective owners. No endorsement has been given nor is implied. Payments are free with a Linked Bank Account. Other payments may have a fee, which will be clearly displayed before checkout. Learn about doxo and how we protect users' payments.
Useful Information for Castle Biosciences Customers
Castle Biosciences develops diagnostic and prognostic tests for cancers using advanced molecular analysis, aiding physicians in personalized treatment decisions.
Castle Biosciences Bill Pay Statistics
Frequently Asked Questions
Common questions, curated and answered by doxo, about paying Castle Biosciences bills.
What payment methods does Castle Biosciences accept?
You can make an online payment here. Or pay using doxo with credit card, debit card, Apple Pay or bank account.
I have a question about my Castle Biosciences bill. Who should I contact?
Make billing inquiries directly by phone 866-788-9007 or email (contact@castlebiosciences.com).
I'm looking for my bill. Where can I find it?
Visit Castle Biosciences to access your bill.
What types of Castle Biosciences payments does doxo process?
doxo processes payments for all Castle Biosciences services, including Clinic and others.