Vicente Lam Siu, MD Primary Specialty: Internal Medicine Languages Spoken: Cantonese, English, Spanish Affiliations Shannon Clinic - Beauregard Education Undergraduate University of Puerto RicoRio Piedras, PR Medical School University of Puerto RicoSan Juan, PR Residency San Juan City HospitalSan Juan, PR Ratings 707 Ratings, 115 Comments 10/07/2026 100 frienly 10/07/2026 He listens and explains everything to me. 10/06/2026 I understand my care when I leave his office, and he explains verything to me in terms I understand. 10/03/2026 He is simply the best! Show More