Graduated: 1974
NPI: 1023091410
Practice Locations (2)
ROBERTO J SEIN AND RAFAEL M RIVERA PTR
AVE DE DIEGO 126 SEIN MEDICAL PLAZA O, REPARTO METROPOLITANO
SAN JUAN, PR 00921
7877534631
ROBERTO J SEIN AND RAFAEL M RIVERA PTR
AVE DE DIEGO 126 SEIN MEDICAL PLAZA OFICINA, 1 REAPRTO METROPOLITANO
SAN JUAN, PR 00921
Source: CMS National Downloadable File, September 2026.