Mercer-Bucks Orthopaedics. 2501 Kuser Road Hamilton, NJ 08691 (855) 896-0444 (Phone) (609) 587-4349 (Fax) E-mail Us; ... Patient Portal ... You must be a registered patient with Mercer-Bucks Orthopaedics to register for our patient portal. (A registered patient includes any patient that has had an appointment with us in the past or has an ....