Dr Nabil S Feghali was born in a small coastal town in North Lebanon. He is the youngest of five siblings, who mostly still live in Lebanon. The family moved to Beirut to pursue schooling and Nabil went to the French Brother's School, until high school graduation. He was then admitted to St Joseph University, a Jesuit medical school, from 1968 to 1975, and passed the ECFMG exam in 197 4. He moved to the US for future training in anatomical pathology in Cleveland, Ohio at St Alexis Hospital (1975-1977). He then trained in Internal Medicine at Wayne State University in Detroit, Michigan (1977-1980), and received his American Board Certification .
He then moved to California and started his solo primary care medical practice on August 4, 1980 in Canoga Park. He has been on staff at Providence Holy : Cross Hospital, Northridge Hospital, and West Hills Hospital, where he chaired the Medicine Department in 2006. His practice has served a large portion of : Middle Eastern patients.
He married Fayrouz Nassif and they have been blessed with four children: Habib, Kristy, Ronald, and Carolyn, who live locally.
He has been immensely active within the American-Lebanese community since , he arrived in California. He chaired the American Lebanese League in 1984, then was on the Board of Directors for House of Lebanon for over 10 years. He joined the American Lebanese Medical Association, and was its national president in : 2003. He is being honored by ALMA on January 20, 2024 for his lifelong commitment and service to the Association and to his American-Lebanese community.