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 685 Ratings, 107 Comments 08/27/2026 I am very much pleased with my health care! 08/22/2026 Very kind 08/22/2026 Dr.listens to me and my conversation and gave me options for future improvement of condition 08/19/2026 I was very impressed with the care and concern I received from everyone! Show More