I answered a similar question a while ago and recommended that the author investigate multiple sources of information to get accurate information. Things to keep in mind 1. salaries/ compensation vary by region/state/city, 2. compensation will vary by employer, 3. compensation can vary in terms of base salary + profit sharing + etc. depending on the type of practice you join.
As an example, the median salary for a dermatologist in California is $390,500, while in New York it's $420,500
I've providing links to some resources below.
Sunil recommends the following next steps: