Alcena joined the medical staff of White Plains Hospital in the late 1970's, when he founded and served as the medical director of what is now the Slater Neighborhood Health Fair, which provides valuable screenings and health information to hundreds of under-insured individuals in the White Plains community every spring.
A long-respected leader in internal medicine, hematology, oncology and community service, Alcena is the author of numerous books on racial and ethnic health disparities.