Email received! Columbus is contracted as an Ancillary facility. We do not load/link individual physicians to this TIN.  Yes.   However, we recommend that you list the Billing NPI in both the billing and rendering fields.  --------------------- Contract uploaded and Notification sent to the billing. Par Plans: ------------ Commercial PPO Plans. Commercial HMO Plans. Commercial POS Plans. Commercial EPO Plans. Commercial Open Access Plans. Medicare PPO Plans. Medicare Network PFFS Plans. Traditional Plans. Choice POS Plans.