After graduation, he was appointed lecturer on anatomy and physiology at Bowdoin Medical College at Concord, New Hampshire, and there he undertook also the editorship of the New Hampshire Medical Journal which he conducted successfully for nine years.
In 1853, on being called to the chair of physiology and pathology in the New York Medical College, Parker left Concord and established himself in practice in New York City, his confrères in the college being Peaslee and Barker.
In 1854 he received the degree of A. M. from Trinity College, and in 1858, by the solicitation of many friends and patients, was induced to remove to Poughkeepsie, New York, where he practiced nearly up to the time of his death, a period of some forty years.
Parker was memorialized as "a physician and a surgeon of signal competency and skill" and "a man of extremely fine fiber, of unusual cultivation, and of high scholarly attainments".
You can help Wikipedia by expanding it.This biographical article about an American poet born in the 1820s is a stub.