Dr. Israel Villanueva serves as the Medical Director at ReMDi Health. Board certified in internal medicine and critical care, he has spent over two decades treating patients across ICU, hospital, and family medicine settings—now applying that knowledge to the future of metabolic, longevity, and aesthetic health.

He holds a BA in Biology from Harvard University, earned his MD from the NYU School of Medicine, and completed his MBA at the University of California, Irvine. His training includes a residency in internal medicine at Columbia-Presbyterian Medical Center and a fellowship in critical care medicine at Stanford University.

As someone who has personally benefited from medical weight loss therapies and regenerative peptides, Dr. Villanueva brings not only clinical insight but also lived experience. His work managing complex chronic conditions in critical care has strengthened his belief in prevention-first care—and in the power of early, science-driven interventions to improve long-term health outcomes.

At ReMDi, he helps shape clinical protocols grounded in safety and science, ensuring every treatment reflects the highest standards in personalized medicine and whole-person wellness.