New Search 9590 R. William Buster MD (714) 639-2600 Primary Specialties Internal Medicine (Board Certified) Medical Groups & Affiliations St. Joseph Heritage Medical Group Primary Office Address: 845 W La Veta Ave. #108 Orange, CA 92868 Phone: (714) 639-2600 Fax: (714) 289-3906 Web Page: www.sjhmg.org Recommend this Physician Request an Update for this Physician Get Directions Featured Video The patient rating score is based on responses and comments from Press Ganey. Responses are measured on a 10 point scale, with 10 being the best score. These scores are then translated to a 5 point scale in order to display results in a 5 Star rating. Comments are also gathered from the same survey and displayed in their entirety with the exception of any language that may be considered libel, or may contain private health information, or is unrelated to the provider being reviewed. Learn more about Press Ganey star rating calculations Physician Bio 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. Education Medical School: UC Irvine Medical School - Irvine, CA - 1971 Internship: Baylor University - Houston, TX - 1972 Residency: UC Irvine Medical Center - Irvine, CA - 1975 Board Certified in Internal Medicine Areas of Interest Chronic conditions Diabetes Gerontology (age-related problems) High blood pressure High cholesterol Cholesterol Management Arthritis Aging Senior Wellness Men's wellness Memory Loss Adult medicine Accepted Health Plans EPO - AETNA ELECT CHOICE HMO - AETNA HMO - AETNA GOLDEN MEDICARE HMO - BLUE CROSS (CALIFORNIA CARE) HMO - BLUE SHIELD 65 HMO - BLUE SHIELD LOCAL ACCESS PLUS HMO - BLUE SHIELD NETVALUE HMO - BLUE SHIELD OF CALIFORNIA HMO - BLUE SHIELD SAVENET HMO - CHOC HEALTH ALLIANCE HMO - CIGNA HMO - HEALTH NET HMO - HEALTH NET SENIORITY PLUS HMO - MEDICAL CALOPTIMA HMO - PACIFICARE HMO - SCAN HMO - SECURE HORIZON HMO - UNITED HEALTHCARE OF CA MCA - MEDICARE ASSIGN MCA - MEDICARE ASSIGNMENT MCD - MEDICAID MDA - MEDICARE ASSIGN MDCR - MEDICARE MED - MEDICARE/MEDICAID POS - AETNA - MANAGED CARE CHOICE Insurance ID Numbers Aetna: 506048 Blue Cross: AEG010 Blue Shield: 00A247990 Blue Shield 65+: 6S0291 Blue Shield CHOICE (Medicare): QE0102 CIGNA: 8764 Health Net: 3203502203 Health Net Senior: 5147502203 SCAN: 086318277 United Healthcare: 0183460055 Other insurances accepted: Most major PPO, POS, and EPO plans, Medicare and Medicare supplement plans.