About
Leonardo A. Gan-Lim earned his Doctorate of Medicine from Far Eastern University Medical School in Metro Manila, Philippines in 1988. He then completed his internal medicine residency at the University of Maryland Residency Program at Maryland General Hospital in Baltimore. He went on to complete a geriatrics fellowship at Loyola University Medical Center and Hines VA Hospital in Chicago. He rounded out his postgraduate training with a residency in Physical Medicine and Rehabilitation at Washington University's Barnes-Jewish Hospital in St. Louis.
Dr. Gan-Lim holds certification as a Diplomate of the American Board of Internal Medicine. He has practiced primary care and hospital medicine for over 20 years and built strong relationships with specialists throughout the Las Vegas Valley. His clinical interests include metabolic medicine, nutrition, hormone therapy, weight loss, functional medicine, geriatrics, and rehabilitation. He believes in the body's capacity to heal and thrive with the right nutrition and tools. Outside of medicine, Dr. Gan-Lim enjoys running, tennis, music, traveling, movies, and working out at the gym.
Education & Training
Medical School
Far Eastern University Medical School, Metro Manila, Philippines - Doctorate of Medicine, 1988
Residency
University of Maryland Residency Program at Maryland General Hospital, Baltimore, MD - Internal Medicine, 1992-1995; Washington University, Barnes-Jewish Hospital, St. Louis, MO - Physical Medicine and Rehabilitation, 2000-2001
Fellowship
Loyola University Medical Center/Hines VA Hospital, Chicago, IL - Geriatrics Fellowship, 1999-2000
Certifications
Conditions Treated
Who is Dr. Gan-Lim right for?
Dr. Gan-Lim is a strong fit for adults seeking a primary care physician with expertise beyond conventional internal medicine. Older adults and those managing age-related conditions benefit from his geriatric and rehabilitation training. Patients focused on metabolic health, weight management, or hormone balance find his functional medicine approach particularly useful. Anyone who values a physician with deep specialist networks in Las Vegas will feel well-supported in his care.
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Frequently Asked Questions
Dr. Gan-Lim practices internal medicine, geriatric medicine, functional medicine, and preventive medicine. He also integrates metabolic medicine, physical medicine and rehabilitation, nutrition counseling, hormone therapy, and weight management into his care. This breadth reflects his three areas of postgraduate training.
Yes. Dr. Gan-Lim holds certification as a Diplomate of the American Board of Internal Medicine. He earned his medical degree from Far Eastern University Medical School and completed residency and fellowship training at institutions in Baltimore, Chicago, and St. Louis.
Dr. Gan-Lim completed his internal medicine residency at the University of Maryland Residency Program at Maryland General Hospital in Baltimore. He then completed a geriatrics fellowship at Loyola University Medical Center and Hines VA Hospital in Chicago. He finished his postgraduate training with a Physical Medicine and Rehabilitation residency at Washington University's Barnes-Jewish Hospital in St. Louis.
Dr. Gan-Lim views nutrition, exercise, sleep, and mindfulness as core pillars of good health. He integrates functional medicine and metabolic medicine alongside conventional primary care. He believes the body has a strong capacity to heal when patients have the right tools and guidance.
Yes. Dr. Gan-Lim completed a dedicated geriatrics fellowship and lists geriatric medicine among his primary specialties. He is well-suited to care for older adults managing age-related and chronic conditions.
Dr. Gan-Lim focuses on metabolic medicine, nutrition, hormone therapy, weight loss, functional medicine, geriatrics, and rehabilitation. He brings a broad perspective to each patient, drawing on his training across multiple medical disciplines.
Yes. Dr. Gan-Lim holds affiliations with MountainView Hospital and Summerlin Hospital Medical Center. He has also built strong relationships with specialists throughout the Las Vegas Valley over more than 20 years of practice.
Dr. Gan-Lim has practiced primary care and hospital medicine for over 20 years. He has deep roots in the Las Vegas medical community and maintains relationships with specialists across the valley.
Doctor profile last updated March 21, 2026