Les I. Liu, MD
With over 32 years in internal medicine, Les Liu, MD is a long-established internist in Fontana. A Northwestern University Feinberg Medical School graduate since 1994, he brings 32+ years of experience.
Data updated 2021-12-03 on CMS NPPES
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Education & Training
Northwestern University Feinberg Medical School (Class of 1994)
Virtual Internal Medicine Care With Les Liu
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Les Liu for follow-ups, medication reviews, and ongoing care — 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 Liu
NPI records show Dr. Liu as active with telehealth listed in Fontana, CA. Note: NPI status alone doesn't confirm open availability — always call ahead. Phone: (909) 427-3910.
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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.
Contact Les 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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