R. William Buster, MD

4.8 out of 5 (264 Ratings)
  • Internal Medicine
    (Board Certified)
845 W La Veta Ave., Suite 108
Orange, CA 92868
Accepting New Patients

Primary Office

845 W La Veta Ave., Suite 108
Orange, CA 92868
Get Directions
(714) 639-2600
(714) 289-3906

More Information

Medical Groups & Affiliations
  • St. Joseph Heritage Medical Group


  • Meet The Doctor

    Specialties & Education

    Primary Specialties
    • Internal Medicine
      (Board Certified)
    Education & Training
    • Medical School
      UC Irvine Medical School- Irvine, CA - 1971
    • Internship
      Baylor University- Houston, TX - 1972
    • Residency
      UC Irvine Medical Center- Irvine, CA - 1975
    Areas of Interest

    Chronic conditions
    Gerontology (age-related problems)
    High blood pressure
    High cholesterol
    Cholesterol Management
    Senior Wellness
    Men's wellness
    Memory Loss
    Adult medicine

  • Biography



    Dr. Buster loves to practice medicine. He takes pride in getting to know the families he cares for, often multiple generations. He continues to care for his patients all through the adult years—through both their trials and triumphs. As a board certified internist, he cares for adult with chronic conditions, including diabetes high blood pressure, high cholesterol and arthritis.

  • Insurance Accepted

    Insurance Accepted

    Insurance ID Numbers

    Aetna: *506048
    Blue Cross: *AEG010
    Blue Shield: 00A247990
    CIGNA: 8764
    CIGNA Select: 3674587025
    Health Net: 3203502203
    Health Net Senior: 5147502203
    SCAN: 863-18277
    United Healthcare: *0183460055

    *Provider ID is the same for both HMO and Medicare Advantage Plans

  • *Dr. Buster is always great and always respectful at my visits and explains everything fully.
    *Dr. Buster is a great doctor, trust him - period.
    *Dr. Buster is the best.
    The doctor explained everything to me and made sure that I understood everything.
    I recently switched primary care providers to Dr. Buster and it is a whole world of difference. I have never felt so respected and cared for. it was honestly one of the best visits I've had to a Dr office. He's funny and he definitely cared for his patients.
    34 Total Comments Page 1 2 3 4 5 6 7   Next