(a) If any provision of this subchapter is found to conflict with current federal law, including promulgated federal regulations, the federal law shall override that provision.
(b) If under Title XIX of the Social Security Act, 42 U.S.C. § 1396 et seq., or Title XXI of the Social Security Act, 42 U.S.C. § 1397aa et seq., the United States Government recovers an erroneous or improper medical assistance payment from the Department of Human Services, the department may recover the erroneous or improper medical assistance payment from the provider that received the payment or from a successor in interest who is legally responsible for the erroneous or improper medical assistance payment.