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Physician Directory

Dr. William W. Yoon, DO

Family Medicine

  • (909) 724-5000

Dr. Yoon's Overview

Dr. William W. Yoon graduated from the Western Univ of Health Sciences College of Osteopathic Medicine of the Pacific in 1999. Dr. Yoon works in Ontario, CA and specializes in Family Medicine. Dr. Yoon is affiliated with Kaiser Permanente Fontana Medical Center. Dr. Yoon speaks English and Spanish.

Gender: Not Available

Languages Spoken: English, Spanish

Dr. Yoon's Experience

Years in Practice: 16

Conditions Treated by Dr. Yoon

  • Disorders of lipoid metabolism
  • Hypertension (HTN)
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Procedures Performed by Dr. Yoon

Dr. Yoon's Specialties

Family Medicine

Dr. Yoon's Education & Training

Medical School: Western Univ of Health Sciences College of Osteopathic Medicine of the Pacific; Graduated 1999

Dr. Yoon's Accepted Insurance

  • Kaiser Permanente

Dr. Yoon's Office Information & Appointments

Office Locations

Kaiser Permanente Medical Center
Kaiser Permanente Medical Group

2295 S Vineyard Ave
Ontario, CA 91761
(909) 724-5000


Office Hours and Information

Fax: (909) 724-2526

Practice Website:

Accepting New Patients: Yes

Medicare Accepted: Yes

Medicaid Accepted: Yes

Monday 7:00 AM - 7:00 PM
Tuesday 7:00 AM - 7:00 PM
Wednesday 7:00 AM - 7:00 PM
Thursday 7:00 AM - 7:00 PM
Friday 7:00 AM - 7:00 PM
Saturday 7:00 AM - 12:00 PM
Sunday 8:00 AM - 5:00 PM

Other Physicians in Dr. Yoon's Practice

Dr. Yoon's Hospital Affiliations

Office Locations