If you would like to get in touch with the Medical Board of California, you can email them at: firstname.lastname@example.org . Please include your full name and your medical license number [if needed].
There are also phone numbers listed on their website if you prefer to speak with someone over the phone. You can find their list of contacts here at this link: https://www.mbc.ca.gov/About_Us/Contact_Us.aspx
I hope this information helps!