He is a quack-doctor.

I suppose he is now selling tinctures, pulling teeth, and driving away rheumatics.

He gave me his card.

I told him he should leave one on the tailor." With a flourish he threw a professional card upon the table, before the Cure.
The Cure picked it up and read: JOHN BROWN, B.A., M.D., Healer of Ailments that Defy the Ordinary Skill of Ordinary Medical Men.

Rheumatism, Sciatica, Headache, Toothache, Asthma, Ague, Pleurisy, Gout, and all Chronic Diseases Yield Instantly to the Power of his Medicines.
Dr.Brown will publicly treat the most stubborn cases, laying himself open to the derision of mankind if he does not instantly give relief and benefit.