Dermatology Inc. is the absolute! best group of dermatologists I have ever encountered in my 68 years. They are extremely talented and very friendly, as well as easy to talk to! ... Patient Portal; Careers Join Our Team ; Current Job Openings; Contact Us. Monday—Friday, 7:30—4:30 p.m. Call Center (317) 926-3739. Billing (317) 931-3939.