Dr. Jonathan Lo MD

  • Internal Medicine Fontana, CA

Patient Reviews

Reviews reflect patients' level of satisfaction with the care they received from this provider. Dr. Jonathan Lo does not yet have any reviews.

Have you seen Dr. Jonathan Lo before?
Be the first to review!


Dr. Jonathan Lo, MD is a Doctor primarily located in Fontana, CA, with another office in Fontana, CA. He has 16 years of experience. His specialties include Internal Medicine. Dr. Lo is affiliated with Kaiser Permanente Fontana Medical Center and St. Mary Medical Center. He speaks English.


Find out the languages this doctor/ or staff may speak.


Learn where this doctor attended medical school.

Specialties & Expertise

Dr. Jonathan Lo has the following 1 specialty and 1 board certification.

Internal Medicine

An internist is a physician who focuses on the diagnosis and treatment of conditions that affect the adult population—both acute and chronic.
These doctors are often who adults see as their primary physicians because they treat a broad range of illnesses that do not require surgical or specialist interventions. They also work to help a patient maintain optimal health in order to prevent the onset of disease.
In addition to treating the common cold and flu, internists also treat chronic diseases like diabetes and heart disease.

Board Certification

See the board certifications this doctor has received. Board certifications provide confidence that this doctor meets the nationally recognized standards for education, knowledge and experience.

Locations & Directions

9985 Sierra Ave
Fontana, CA 92335

9961 Sierra Ave
Fontana, CA 92335

Nearby Doctors

Dr. Jonathan Lo, MD is similar to these 3 Doctors near Fontana, CA.