Allegra Arthritis Associates PC. 282 Broad Street, Red Bank, NJ 07701 map. Call for an Appointment. Allegra Arthritis Associates PC. 115 Clark Street, Hazlet, NJ 07730 map. Call for an Appointment. Dr. Edward Allegra is a rheumatologist in Red Bank, NJ. He treats disorders affecting the joints, muscles and bones (and may also involve other ....