In 2014, 1 out of every 2 smokers said they were motivated to quit because their health care provider recommended it. See the data here Health Concerns and Provider Recommendations Motivate Smokers to Quit.
The Public Health Service Clinical Practice Guidelines recommends that providers offer both medication and counseling to best assist their patients to quit smoking.
Most private insurance companies, as well as Medicaid and Medicare, cover smoking cessation medications and counseling.