Westerville Dermatology. Hours. M-W 7:00am - 5:00pm. Th-F - 7:00am - 4:00pm. Patient Portal Pay Bill Online. WELCOME TO. WESTERVILLE DERMATOLOGY. Welcome to Westerville Dermatology Laser & Rejuvenation Center, a group practice offering a blend of comprehensive preventative dermatology, medical and surgical treatments and cosmetic ...Contact‧Patient Resources‧Meet Our Team‧Aderma Medical Spa‧Our Services‧Blog.