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Kenneth Grubbs DO

Kenneth Grubbs DO

(714) 771-1420
Primary Specialties
  • Family Medicine
Medical Groups & Affiliations
  • St. Joseph Hospital Affiliated Physicians

Primary Office

867 S. Tustin Ave.
Orange, CA 92866
(714) 771-1420
Mon - Fri: 8:30 a.m. - 5 p.m.
Web Page:

Secondary Office

26732 Crown Valley Pkwy.
Suite 226
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Physician Bio

Dr. Kenneth Grubbs has been in practice for 19 years. He believes in treating patients as if they were his family and wants to make a difference in his patients' lives. Dr. Grubbs involves patients in their healthcare decisions and takes a preventive and long-term approach to healthcare.


  • Medical School:
    College of Osteopathic Medicine of the Pacific - Pomona, CA
  • Internship:
    UCI Medical Center - Orange, CA
  • Residency:
    UCI Medical Center - Orange, CA

Areas of Interest

  • All aspects of Family Medicine
  • Pediatric, Adolescent, and Adult
  • Geriatric Medicine
  • Diabetes
  • Hypertension
  • Asthma
  • Obesity
  • Women's Health

Insurance ID Numbers

Aetna: *66794
Blue Cross: *0WX222
Blue Shield: 020A63490
Blue Shield 65+: IC0033
Blue Shield CHOICE (Medicare): 6M0145
CIGNA: 932655
CIGNA Select (SJH): 160431012
Health Net: 3204051977
Health Net Senior: 5148051977
SCAN: 864-39660
United Healthcare: *0183470091

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