"Payment Reduction Opted-In" is a 4.45% (3.15%+1.3%) physician payment discount, which is a reduction applied by the MOHLTC against ALL physician payments including the billings submitted through other billing vendors (except for reciprocal billings).
Please see the OHIP Bulletins in the links below:
Implementation of 2.65% Physician Payment Reduction in addition to the 0.5% discounts: http://www.health.gov.on.ca/en/pro/programs/ohip/bulletins/4000/bul4652.pdf
Implementation of 1.3% Physician Payment Discount in addition to the existing discounts: http://www.health.gov.on.ca/en/pro/programs/ohip/bulletins/4000/bul4657.pdf
For more billing tips, please check out our "Weekly Tip Library" at https://mdbillingca.zendesk.com/hc/en-us/sections/201726993-General.
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