Meet Our Faculty
Michael Mesisca, DO
Medical Director
Undergraduate Education: BS Neuroscience Claremont McKenna College
Medical School: Western University of Health Sciences
Residency Program: Arrowhead Regional Medical Center
Passions in Medicine: Leadership and Operations improvement; Critical Care; Public Health and Wellness; Correctional Health.
Awarded Emerging Leadership Award from the RUHS Medical Staff, June 2020
Thomas Minahan, DO
Program Director
Undergraduate Education: UC Riverside, BS Biochemistry
Medical school: Western University of Health Sciences
Residency Program: Midwestern University
Current research: Utility of Instant EEG ability in the ER
Passions in Medicine: All things Epilepsy related
Joel Labha, DO
Assistant Program Director
Undergraduate Education: Pacific Union College
Medical school: Western University of Health Sciences
Residency Program: Arrowhead Regional Medical Center
Current Research: How to deliver the perfect dad-joke every time: a prospective, randomized, double-blind, meta-analysis... of sorts.
Passions in Medicine: Education, Personal Growth and Development
Stephanie Loe, MD
International Operations
Undergraduate Education: UCLA B.S. Biology
Medical School: Wayne State University School of Medicine (Detroit, MI)
Residency Program: Loma Linda University
Current Research: COVID-19
Passions in Medicine: International Mission Trips, Disaster Medicine
Korbin Haycock, MD
Ultrasound Director
Undergraduate Education: La Sierra University, Riverside CA
Medical School: Loma Linda University
Residency Program: Loma Linda University
Current Research: VExUS, Sepsis, Intrarenal Doppler in resuscitation, Pulmonary ultrasound in CHF. Pulmonary ultrasound in COVID, Hemodynamics in shock
Passions in Medicine: Resuscitation, Echocardiography, POCUS
Amy Russell, MD
Medical Student Director
Hometown: Huntington Beach, CA
Undergraduate Education: UC San Diego
Medical school: Lewis Katz SOM at Temple University
Residency Program: Loma Linda University
Passions in Medicine: Shock resuscitation and Medical Education
Sarah Malcolm, MD
Wellness Coordinator
Undergraduate Education: California State University, Fullerton
Medical School: Albany Medical College, Albany, NY
Residency Program: Loma Linda University
Passions in Medicine: Lifestyle Medicine, Physician Wellness
Andrew Pachon, MD
EMS Director
Undergraduate Education: Claremont McKenna College, BA Psychology
Graduate Education: USC, Masters of Public Administration
Medical school: UoI at Chicago
Residency/Fellowship Program: Loma Linda University / USC EMS
Passions in Medicine: Resuscitation, Teaching, Prehospital and disaster medicine
Mark Thomas, DO
Undergraduate Education: UC Irvine, BS/BA Biology/Psychology
Medical School: Western University of Health Sciences
Residency Program: Loma Linda University
Passions in Medicine: Education
Melanie Randall, MD
Hometown: Loma Linda
Undergrad Degree: BS Stanford University
Medical School Degree: Loma Linda University
Residency Program: Loma Linda University
Current Research: Pancreatitis in children
Passions in Medicine: Congenital Cardiac Disease
Eugene Hu, MD
Hometown: Baton Rouge, Louisiana
Undergraduate Education: Rice University, Houston, TX
Med school: Louisiana State University Health Sciences Center - New Orleans
Residency Program: Loma Linda University
Resident Projects: Spiked Helmet Sign, Bilateral Tonsillitis Abscess, Bilateral, Asymmetrical Hip Dislocation
Fairuz Harfouche-Despujos, MD
Undergraduate Education: University of Nevada, Las Vegas
Medical School: University of Nevada, Reno
Residency Program: Loma Linda University
Passions in Medicine: Site Operations and Throughput
John Naftel, MD
Hometown: Ontario, CA
Undergraduate: UCLA + USC
Medical School: David Geffen UCLA
Residency Program: Rotating Internship one year (formally Internal Medicine)
Passions in Medicine: Beside, clinical dialogue with learners, what’s new in science, what’s just been disproven in accepted “truths”
Susan Munden, MD
Undergrad Degree: UC Irvine Biology
Medical School Degree: UC Irvine
Residency Program: UC Irvine 1997
Passions in Medicine: Teaching
Timothy Nesper, MD
Undergrad Degree: UCSB Bio Science
Medical School Degree: Keck School of Medicine, USC
Residency Program: LAC/USC 1986
Passions in Medicine: Teamwork, teaching, patient wellness
Christie Knox, DO
Undergraduate Education: University of Oklahoma, Norman, OK, B.S. in Zoology
Medical school: Touro University, California
Residency Program: Arrowhead Regional Medical Center
Passion in Medicine: Continuous challenges and learning
Michi Nitahara, MD
Undergraduate Education: University of California, Santa Barbara
Medical School: Lewis Katz School of Medicine - Temple University
Residency Program: Loma Linda University
Passions in Medicine: Resident wellness, airway management, and teaching
Humberto Ochoa, MD
Undergraduate Education: University of California, Riverside
Medical School: University of Utah, Medical School
Residency Program: IM Internship: U of Las Vegas (83-84) ; Kern Medical Center (84-86)
Passions in Medicine: Teaching, Sharing clinical experience, Patient compassion
Michael Flores, DO
Undergraduate Education: Cal State University - San Bernardino, BS in Biology
Medical School: Western University of Health Sciences
Residency Program: Arrowhead Regional Medical Center
Passions in Medicine: Resuscitation and education.