Summary

Dr. Jonathan Lo is an internal medicine physician who earned his medical degree from the University of California San Diego School of Medicine. With 29 years of experience in internal medicine, he has developed expertise in managing complex medical conditions that affect multiple body systems.

Dr. Lo practices at several locations across Southern California, including Fontana, Ontario, and Long Beach. He specializes in treating diabetes and kidney disease, helping patients manage these chronic conditions effectively. His practice also includes comprehensive blood work and specialized screening tests to monitor kidney health in diabetic patients.

AI-generated from data on this provider profile.

Quick Facts

  • 29 years of experience
  • 42 insurance plans accepted
  • University Of California San Diego School Of Medicine
  • 1 specialty
  • 1 board certification
  • 3 office locations
  • Male

Office Locations

Dr. Jonathan Ilyong Lo has 3 locations

Kaiser Foundation Hospital

9961 Sierra AveFontana, CA 92335

Saint Mary Medical Center

1050 Linden AveLong Beach, CA 90813

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Dr. Jonathan Ilyong Lo, MDDr. Nima Ghadimi, MDDr. Tooba Rehman, MDKarthikeyan Viswanathan, DO
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
3.8 
29 Years of Experience 29 Years of Experience 16 Years of Experience 12 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, Spanish Speaks English, Tamil
Fontana , CAScottsdale , AZKaty , TXLos Altos , CA
Med School: University Of California San Diego School Of Medicine Med School: Univ Iberoamericana Unibe Santo Domingo Med School: CHICAGO MEDICAL SCHOOL AT ROSALIND FRANKLIN UNIVERSITY OF MEDICINE & SCIENCE Med School: Bassett Medical Center - Cooperstown, New York
Current Profile
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Insurance Plans Accepted by Dr. Jonathan Ilyong Lo

  • AARP
  • Aetna
  • Aetna - HMO
  • Alignment Health Plan
  • Alignment Health Plan - HMO
  • AlphaCare
  • Anthem Blue Cross
  • BLUE CROSS of CALIFORNIA
  • BLUE CROSS of CALIFORNIA - HMO
  • Blue Shield of California
  • Blue Shield of California - HMO
  • CareMore
  • Cigna
  • Health Net
  • Health Net - HMO
  • Health Net - Medicare
  • HealthSmart
  • Inland Empire Health Plan
  • Inland Empire Health Plan - Medicaid
  • Kaiser Permanente
  • Kaiser Permanente - HMO
  • Kaiser Permanente - Medicaid (Managed)
  • L.A. Care Health Plan
  • L.A. Care Health Plan - HMO
  • L.A. Care Health Plan - Medicaid
  • Medicaid
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - HMO
  • Medicare - Medicaid
  • Medicare - Medicare
  • Molina Healthcare
  • Molina Healthcare - HMO
  • Molina Healthcare - Medicaid
  • Optum Health
  • SCAN Health Plan
  • SCAN Health Plan - HMO
  • SelectHealth
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - HMO

Medical Specialties

Dr. Jonathan Ilyong Lo has the following specialty

Certifications, License, & Education

29 Years Experience

MEDICAL LICENSE

Medical Doctor, California, 2026, Active

EDUCATION & TRAINING

Medical School

University Of California San Diego School Of MedicineGraduated in 1997

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Frequently Asked Questions

How can I make an appointment with Dr. Jonathan Lo?
You can find contact information for Dr. Jonathan Lo here on Vitals.
Does Dr. Jonathan Lo accept my insurance?
You can see the insurance plans that Dr. Jonathan Lo accepts on their Vitals profile.
Where is Dr. Jonathan Lo's office located?
Dr. Jonathan Lo's office is located at 9961 Sierra Ave, Fontana, CA, 92335.
Does Dr. Jonathan Lo accept virtual/telehealth appointments?
Dr. Jonathan Lo has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Is Dr. Jonathan Lo accepting new patients?
Dr. Jonathan Lo has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.

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