This is difficult to judge if you are seeing your doctor for the first time. Check to see if your doctor has been disciplined by the Oklahoma Board of Medical Licensure at https://www.okmedicalboard.org/. Go to the Search for a Licensee section and enter the last name.
If your doctor is a D.O. go to the Oklahoma Board of Osteopathic Examiners at https://www.okmedicalboard.org/ and click on the tab at the top, Physician Search.
To check to see if your physician has been sued, go to https://www.oscn.net/dockets/Search.aspx and search by party.