According to the American Association of Colleges of Podiatric Medicine, a Doctor of Podiatric Medicine (DPM) is a medical specialist who diagnoses and treats conditions affecting the foot, ankle, and structures of the leg.
The NVC is a Department of State (DOS) facility that handles immigrant visa-processing. liaison between USCIS, the green card applicant(s) and the consular post abroad. After USCIS approves your immigrant petition (I-130 or I-140), USCIS will submit your approval to NVC.
Immigration is the international movement of people into a destination country of which they are not natives or where they do not possess citizenship in order to settle or reside there, especially as permanent residents or naturalized citizens, or to take-up employment as a migrant worker or temporarily as a foreign worker.