. >> reporter: 57-year-old stephanie goelzer was a new grandmother. like a lot of women she decided to get a little botox. she went to the silhouette med spa in livermore, california. >> i wanted to just spruce up a little bit. >> reporter: while she was there the staff encouraged her to try other services as well. >> i did have a little spot in -- on my cheek. >> reporter: a little teeny red bump. >> yeah, it was pretty small. >> reporter: dr. tam nguyen is one of the owners of the spa. sugg he said he could fix the spot and get rid of two veins on her temple. >> he said i'll do all three for $200. >> reporter: what she didn't understand was that dr. nguyen is a family practice doctor, not a licensed dermatologist or plastic surgeon. he's one of an increasing number of family practitioners, gynecologists, even dentists taking weekend courses similar to this one to expand their practices to include cosmetic procedures. why? some say it's about the money. >> you can triple your revenue per patient per year. >> reporter: but sometimes according to derma