I've only seen the PA Tana F. I'm not going back. They charged hundreds of dollars to spray a mole but did not inform me how expensive it would be to do it. Stephanie in Billing is quite hard-nosed. Also Tana said a lump in my armpit was in the skin layer when clearly it isn't . It's not worth it to go to this place. There are other reputable dermatologists in Central Phoenix.