Graduate Medical Education
J. Craig Collins, MD, MBA, FACS
Designated Institutional Official
Karianne R. Holguin, MA
Regional Director, Graduate Medical Education and Research
Residency Program Directors
Jeremy Man, MD
Dermatology Residency Program
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Rex Parker, MD
Diagnostic Radiology Residency Program
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Matthew Silver, MD, FACEP
Emergency Medicine Residency Program
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Christi Wiley, MD, FAAFP
Family Medicine Residency Program - Fontana
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Maya Mitchell, MD
Family Medicine Residency Program - Los Angeles
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Kara Cummins, MD
Family Medicine Residency Program - Orange County
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George Salman, DO
Family Medicine Residency Program - Riverside
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Lance Fuchs, MD
Family Medicine Residency Program - San Diego
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Kathleen Dor, MD
Family Medicine Residency Program - Woodland Hills
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Thomas J. Chen, MD, MPH, FACP
Internal Medicine Residency Program - Fontana
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Joon Park, MD
Internal Medicine Residency Program - Los Angeles
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George Vatakencherry, MD
Interventional Radiology Residency Program
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Sonja Potrebic, MD, PhD
Neurology Residency Program
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Elena Martinez, MD, MPH
Obstetrics Gynecology Residency Program
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Doris Waldron, MD
Pediatrics Residency Program
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Neeta Saheba, MD
Psychiatry Residency Program
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Jergin Chen, MD
Radiation Oncology Residency Program
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Louise Yeung, MD, FACS
Surgery Residency Program
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Stacey Carter, MD
Urology Residency Program
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Fellowship Program Directors
Javed Sheikh, MD
Allergy & Immunology Fellowship Program
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Mingsum Lee, MD, PhD, FACC, FAHA, FASE
Cardiology Fellowship Program
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Kevin Guber, MD
Child & Adolescent Psychiatry Fellowship Program
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Moises Cruz, MD, MPH
Community Medicine Fellowship Program
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Maged F. Nageh, MD
Electrophysiology Fellowship Program
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Bechien Wu, MD, MPH
Gastroenterology Fellowship Program
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Kamal Kejriwal, MD, FAAFP, CMD, AGSF, HEC-C
Geriatric Medicine Fellowship Program - Fontana
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Jeegar Rana, DO, MHA
Geriatric Medicine Fellowship Program - Los Angeles
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Andre Cipta, MD
Hospice & Palliative Fellowship Program
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Ray Zadegan, MD, FACC
Interventional Cardiology Fellowship Program
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Nima Gharavi, MD, PhD
Micrographic Surgery and Dermatologic Oncology Fellowship Program
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Richard M. Treger, MD
Nephrology Fellowship Program
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Brent R. Davis, M.D.
Ortho Sports Medicine Fellowship Program - Orange County
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Najeeb Khan, MD
Ortho Sports Medicine Fellowship Program - San Diego
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Robert Sallis, MD, FAAFP, FACSM
Sports Medicine Fellowship Program - Fontana
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