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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 909-580-3342. Thank you.

Medical Staff Chairman

Mark Comunale
Dr. Sam Hessami
Chief Medical Officer

Mark Comunale
Mark Comunale, MD
Anesthesia
Chairman

Keith Gordon
David Seigler, MD, FAPA
Behavioral Health
Chairman

Keith Gordon
Reza Sadeghian, MD, FAPA
Clinical Informatics
Chairman

Rodney Rogers
Rodney Borger, MD
Emergency Medicine Chairman

David Lanum
David Lanum, MD
Family Medicine
Chairman

Kambiz RaoufiKambiz Raoufi, MD
Internal Medicine
Chairman

Thuan Dang
Thuan Dang, MD
Medical Imaging
Chairman

James Matiko
James Matiko, MD
Orthopedics
Chairman

Carolyn LeachCarolyn Leach, MD
Laboratory Medicine
Chairman

Dev Gnanadev
Dev Gnanadev, MD
Surgery
Chairman

Guillermo Valenzuela
Guillermo Valenzuela, MD
Women's Health Services
Chairman

Webster Wong
Webster Wong, MD
Pediatrics
Chairman

Medical Staff Officers

Webster Wong
Webster Wong, MD
President

Kambiz Raoufi
Kambiz Raoufi, MD
Vice-President

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Joachim Brown, DO
Secretary-Treasurer

Rodney Borger
Rodney Borger, MD
Immediate Past President

Application Link