Oncology

James Lyon, MD

Chula Vista, CA

Dr. James Lyon, MD is a Diagnostic Radiologist who practices in Chula Vista, CA. He is 72 years old and has been practicing for 47 years.

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Credentials

Years in Practice

45+ years

Peer Recognition

Castle Connolly — Top Doctor
2012-2026 (15 years)
Healthgrades — Healthgrades Honor Roll

Clinical Focus

Subspecialties

Radiation Oncology

Conditions & Treatments

Cancer SurgeryRadiation Therapy

Insurance(s) Accepted

Please verify your coverage with the provider — plan participation can change.

Practice Details

Hospital Affiliations

Sharp Chula Vista Medical Center
Sharp Memorial Hospital

Conditions Dr. Lyon treats

Insurance accepted

Frequently asked

Does Dr. Lyon accept Cigna insurance?

James Lyon's public profile lists Cigna, Health Net, and Lincoln Financial Group plus 3 more health plans as accepted plans. Plan participation can change — confirm directly with the practice before your visit.

Where does Dr. Lyon practice?

James Lyon practices in Chula Vista, CA with hospital affiliations including Sharp Chula Vista Medical Center and Sharp Memorial Hospital.

What does Dr. Lyon specialize in?

James Lyon is a board-certified oncology specialist with focus areas in Radiation Oncology.

How long has Dr. Lyon been practicing?

James Lyon has 47+ years of clinical experience in oncology.

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