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.
National Visa Center: After petition approval, the National Visa Center (NVC) handles processing for certain kinds of documents, sending them onward to U.S. Embassies & Consulates. When and how to Contact NVC.