Is Guarantor Number Account Number or Invoice Number in Kaiser HSA?

When managing your Kaiser HSA (Health Savings Account), it's important to understand the different numbers and terms associated with it. One common question that may arise is whether the guarantor number is the same as the account number or invoice number.

In Kaiser HSA, the guarantor number is usually associated with the primary account holder who is responsible for managing the HSA. On the other hand, the account number in Kaiser HSA is a unique identifier assigned to your specific HSA account.

It's important to note that the invoice number is generally related to specific healthcare services or expenses within your HSA account and is used for billing and tracking purposes.


When you're managing your Kaiser HSA (Health Savings Account), it's essential to distinguish between the guarantor number, account number, and invoice number. The guarantor number is typically tied to the primary account holder responsible for the HSA, while the account number serves as a unique identifier for your HSA.

Download our FREE mobile app to get more of the following

Over 7,000+ HSA eligible items for sale.
Check on product HSA (Health Savings Account) eligibility
Get price update notifications
And more!

Did you find this page useful?

Subscribe to our Newsletter