Les I. Liu, MD
Les I. Liu is an Internal Medicine specialist based in Fontana, CA with over 32 years of clinical experience. Offers virtual telehealth visits.
With over 32 years in internal medicine, Les I. Liu, MD is a long-established internist in Fontana. A Northwestern University Feinberg Medical School graduate since 1994, he brings 32+ years of experience. CMS Medicare data shows his patients commonly have hypertension and high cholesterol.
At a glance
- Uses generic medications more than 71% of reporting doctors in California
- Virtual visits available — no app or travel required
Older · 1633dNPPES updated 2021-12-03 · verify NPI on CMS · Verify license at Medical Board of California
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1994
Northwestern University Feinberg Medical School
32 years in practice
Senior practitioner
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Taxonomy: 207R00000X
Education & Training
Northwestern University Feinberg Medical School (Class of 1994)
Virtual Internal Medicine Care With Les I. Liu
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Les I. Liu for blood pressure monitoring, cholesterol management — no travel to Fontana required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.
Frequently Asked Questions
Common questions about Les I. Liu
Dr. Liu is listed as active in the NPI registry with telehealth listed in Fontana, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (909) 427-3910.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
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Contact Les I. Liu
Practice Location
9961 Sierra Ave, Fontana, CA 92335-6720
This is a provider directory. Contact the office directly to schedule appointments.
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