The board may take any one or a combination of the following disciplinary actions:
1. Revoke a license or registration.
2. Suspend a license or registration.
3. Impose a civil penalty in an amount of not more than $2,000.
4. Impose probation requirements best adapted to protect the public safety, health and welfare, including requirements for restitution payments to patrons.
5. Publicly reprove a licensee or registrant.
6. Issue a letter of concern.