Yes, and you want them to because if they are paid out of order then it will be a mess to correct.
Their insurance would be primary and your insurance would be considered secondary when filing a claim.
90 days from primary insurance payment/denial date.
Yes, subject to the limits in their policy. No. With most insurance policies, there is what is called a timely filing limitation. For my company; contracted providers have 6 months, and non-contracted providers have 12 months to submit the claim. If your primary insurance received the claim within timely filing, you may have the option of submitting the claim to your secondary with proof that it was filed in a timely manner. If that doesn't work you can always appeal the decision with the secondary or for that matter the primary insurance company. Policy holders are not responsible for claims that deny for timely filing.
90 days
12 months or one year
It goes on your record and your insurance rates get adjusted.
In New York, the timely filing limit for Medicaid is generally within 90 days from the date of service. It is important to submit claims promptly to ensure reimbursement. Claims filed after the timely filing limit may be denied for payment.
120 dys from date of admission
1 year/ 12 months from date of service
In Florida, it's 12 months from the date of service.
Simply put 6 months from discharge date.