> Experian doesn't match information to a person's credit history using only the Social Security number. Experian matches information using all of the identification information provided by the lender, so the account will be accurately shown in your report, even if no Social Security number is provided.
I guess that makes sense. I have been doing it just because I figure it's an easy way to limit my potential data breach exposure. Didn't know about this medical credit score thing.
https://www.experian.com/blogs/ask-experian/accounts-may-be-...
> Experian doesn't match information to a person's credit history using only the Social Security number. Experian matches information using all of the identification information provided by the lender, so the account will be accurately shown in your report, even if no Social Security number is provided.