93.2. A physician who includes a price in his advertising must also indicate the following information:1° the price of the treatment or service contemplated and, if any, the validity period;
2° any restrictions that apply;
3° any additional services or fees that might be charged and are not already included in the fee or price;
4° additional fees associated with the terms of payment, if any.
A physician may agree with a patient to charge a price below that published or circulated.