(4) of the specific type of plan or product the policyholder or covered person is enrolled in; provided that nothing in this section shall authorize discrimination based on the source of payment.
Upon receipt of the information requested in paragraph three of this subsection or an appeal of a claim or bill for health care services denied pursuant to this subsection, an insurer or organization or corporation licensed or certified pursuant to article forty-three or forty-seven of this chapter or article forty-four of the public health law shall comply with subsection (a) of this section; provided, that if the insurer or organization or corporation licensed or certified pursuant to article forty-three or forty-seven of this chapter or article forty-four of the public health law determines that payment or additional payment is due on the claim, such payment shall be made to the policyholder or covered person or health care provider within fifteen days of the determination. Any denial or partial approval of claim or payment and the specific reasons for such denial or partial approval pursuant to this subsection shall be prominently displayed on a written notice with at least twelve-point type. A partial approval of claim or payment shall state at the top of such written notice with at least fourteen-point type bold: "NOTICE OF PARTIAL APPROVAL OF MEDICAL COVERAGE". A denial of claim or payment shall state at the top of such written notice with at least fourteen-point type bold: "NOTICE OF DENIAL OF MEDICAL COVERAGE". Any additional terms or conditions included on such notice of partial approval or such notice of denial, such as but not limited to time restraints to file an appeal, shall be included with at least twelve-point type.