Occupation: doctor (homeopathic)
- Baltimore City
|1865-1866||John D. Middleton||doctor||102 W Fayette||Baltimore City|
|1849-1850||John D. Middleton||doctor||5 Front||Baltimore City|
|1863-1864||John D. Middleton||doctor (homeopathic)||137 W Fayette||Baltimore City|
- Dates: 1817, Feb.
Notes: “The Medical Society of Maryland incorporated. Charter members are Drs. E. DeButts, Sam. Baker, Tobais Watkins, Ezra Gillingham, John B. Caldwell, and James Middleton. First meeting, November 1.”
Source: Quinan, John Russell, Medical Annals of Baltimore from 1608 to 1880, including Events, Men and Literature to which is added a Subject Index and Record of Public Services Baltimore: Press of Isaac Friedenwald: 28