Medical Staff Administration
For physicians and allied health professionals wishing to apply for Medical Staff or Allied Health Professional Membership, please click here to access MD App and request an account. You will be notified by email regarding your password and instructions to complete the on-line application. If you have any questions, please call the Medical Staff Office at 909-580-3341. Thank you.
Medical Staff Leadership
John H. Brill, M.D.
Chief Medical Officer
Carol Lee, M.D.
Designated Institutional Official
David C. Ahamba, M.D.
Ambulatory Services
Kambiz Raoufi, M.D.
Medicine Services
Steven Barr, M.D.
Operative Services/Patient Safety Officer
Dev GnanaDev, M.D.
Surgery
Guillermo
Valenzuela, M.D.
Surgical Services
Medical Staff Officers
Hyung-Suk "Tommy" Lee, M.D.
President
David Seigler, M.D.
President-Elect
Steven Barr, M.D.
Secretary-Treasurer
Kambiz Raoufi, M.D.
Immediate Past President
Medical Staff Chairs
Steven Barr, M.D.
Anesthesia
Chair
David Seigler, M.D.
Behavioral Health
Chair
Rodney Borger, M.D.
Emergency Medicine
Chair
David C. Ahamba, M.D.
Family Medicine
Chair
Kambiz Raoufi, M.D.
Internal Medicine
Chair
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Ha Le, M.D.
Medical Imaging
Chair
Gail Hopkins, M.D.
Orthopedics
Chair
Carolyn Leach, M.D.
Laboratory Medicine
Chair
Dev GnanaDev, M.D.
Surgery
Chair
Guillermo
Valenzuela, M.D.
Women's Health
Chair
Webster Wong, M.D.
Pediatrics
Chair