Instructions on how to setup and access your online patient portal provided by the Derm Group. ... Accepted Insurances; FAQ; Dermatology Dictionary; Patient Portal; Skincare Products; Blog; Shop; Pay Online; CALL US: (973) 571-2121. Billing: (888) 209-4753. Book Appointment. Our Locations. Egg Harbor Township, NJ; Freehold Township, NJ ....