Attendings
Attendings
Michael Mesisca, D.O., M.S., C.C.H.P.-P, M.B.A
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Medical Director and Chair
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Department of Emergency Medicine RUHS
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Director, RUHS Disaster Medicine Team
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Medical Director, RUHS Ancillary Services
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C.M.O. Correctional Health RUHS
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Hometown: Arcadia
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Undergraduate Education: BS Neuroscience Claremont McKenna College
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Medical Education: Western University of Health Sciences
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Residency Program: Arrowhead Regional Medical Center Emergency Medicine 2012
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Passions in life include Family, Surfing, Soccer, Coaching, the Ocean, Drumming and Pearl Jam
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Passions in Medicine include Leadership and Operations improvement; Critical Care; Public Health and Wellness; Correctional Health.
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Awarded Emerging Leadership Award from the RUHS Medical Staff, June 2020
Mark Thomas, D.O.
Associate Medical Director and Vice Chair
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Hometown: Garden Grove, Ca
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Undergrad Degree: BS/BA Biology/Psychology UC Irvine
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Medical School Degree: Western University of Health Sciences
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Residency Program: LLUMC EM 1992
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Passions in life include Family, Skiing, Mountain Biking and Travel
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Passions in Medicine include Education
Fairuz Despujos, M.D.
Assistant Medical Director
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Hometown: Portuguesa, Venezuela
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Undergraduate Education: University of Nevada, Las Vegas
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Medical Education: University of Nevada, Reno Medical School
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Residency Program: LLU EM
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Passions: Wellness, Family
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Passions in medicine: site operations and throughput
Korbin Haycock, M.D.
Director of Resuscitation, Ultrasound and Critical Care. Ultrasound Fellowship Director.
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Hometown: Scottsdale AZ
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Undergraduate Education: La Sierra University, Riverside CA
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Medical Education: LLU EM
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Residency Program: Loma Linda EM
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Passions in life: Celtic Football Club, Motorcycles,
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Passions in Medicine: Resuscitation, Echocardiography, POCUS
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Current Research: VExUS, Sepsis, Intrarenal Doppler in resuscitation, Pulmonary ultrasound in CHF. Pulmonary ultrasound in COVID, Hemodynamics in shock
Amy Russell, M.D.
Student Clerkship Director. Stroke Program Quality Director. Core Faculty.
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Hometown: Huntington Beach, CA
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Undergraduate degree and university: UC San Diego
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Medical school: Lewis Katz SOM at Temple University
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Residency Program: LLU EM
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Passions in life: Friends/family, beach going, board sports, dogs
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Passions in medicine: Shock resuscitation and medical education
Grant Nelson, M.D.
Fellowship and Clerkship Director: Wilderness Medicine
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Hometown: Ontonagon, MI
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Undergrad: Northern Michigan University, Marquette, MI
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Medical School: Wayne State University, Detroit, MI
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Residency: Ascension St. John Medical Center, Detroit, MI
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Fellowship: Emergency Ultrasound @ Wayne State University, Detroit, MI
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Passions in Medicine: POCUS, austere medicine, improving medical care and education through technology
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Passions in Life: Travel, music, education, software development
Eugene Hu, M.D.
Attending Physician. Core Faculty. Ethics Champion.
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Hometown: Baton Rouge, Louisiana
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Undergrad: Rice University, Houston, TX
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Med school: Louisiana State University Health Sciences Center - New Orleans
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Residency: LLU EM
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Passions in life: being a dad, baking
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Resident Projects: Spiked Helmet Sign, Bilateral Tonsillitis Abscess, Bilateral, Asymmetrical Hip Dislocation
Rolando Sy, M.D.
Attending Physician
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Hometown: Philippines
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Undergraduate degree and Universities: University of Santo Tomas & SFSU (Degree: Biology)
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Medical School: UCI
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Residency: RUHS Family Medicine
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Passions in Life: Fishing, Basketball, Running
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Passions in Medicine: Helping the indigent population
Director of Education,
Residency Program
Thomas Minahan, D.O.
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Hometown: Bellflower, California
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Undergraduate degree and university: UC Riverside, BS Biochemistry
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Medical school: Western University
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Residency Program: Midwestern University
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Passions in life: Family, Family, Family
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Passions in medicine: All things Epilepsy related
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Current research: Utility of Instant EEG ability in the ER
Melanie Randall, M.D.
Director of Research and Quality. Pediatrics Champion.
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Hometown: Loma Linda
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Undergrad Degree: BS Stanford University
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Medical School Degree: LLU School of Medicine
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Residency Program: LLUMC 2011
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Fellowship: Pediatric EM
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Current Research: Adenosine
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Passions in Medicine include Congenital Cardiac Disease
Andrew Pachon, M.D.
EMS and Base Station Director. Core Faculty. Epic Champion.
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Hometown: Rancho Cucamonga, CA
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Undergraduate degree and University: Claremont McKenna College, BA Psychology
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Graduate School: University of Southern California, Master of Public Administration
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Medical School: University of Illinois at Chicago
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Residency: LLU EM
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Passions in Life: Family, Woodworking, Do-It-Yourself Projects, Cake Decorating
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Passions in Medicine: Prehospital & Disaster Medicine, Resuscitation
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Current Research: Prehospital quality improvement, Disaster Medicine
Kevin Chen, M.D.
Assistant Medical Director: Non-RUHS Residencies. Geriatric Champion. Core Faculty.
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Hometown: Simi Valley
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Undergraduate Education: UCLA
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Medical Education: Albert Einstein College of Medicine
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Residency: LLU EM
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Passions in Life: Family, cooking, traveling
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Research: Obstructive Infectious Urolithiasis, IM vs IV Migraine treatments
Humberto Ochoa, M.D.
Attending Physician
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Hometown: Cenotillo, Mexico; Later moved to San Bernardino
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Undergraduate Education: University of California, Riverside
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Medical Education: University of Utah, Medical School
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Residency:
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IM Internship: U of Las Vegas (83-84)
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Kern Medical Center (84-86)
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Riverside County EMS Medical Director from 1992-2014. Attending at RUHS since 1987.
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Passions in Medicine: Teaching, Sharing clinical experience, Patient compassion
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Passions in Life: Golf, Soccer, Military History, Cooking, Foodie, Hot-tubbing with the family
Susan Munden, M.D.
Attending Physician
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Hometown: East Lansing, Michigan
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Undergrad Degree: UC Irvine Biology
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Medical School Degree: UC Irvine
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Residency Program: UC Irvine 1997
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Passions in life include animals and having many pets
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Passions in Medicine include teaching
Joel Labha, D.O.
Assistant Residency Director, PA Fellowship Director, Trauma Quality Director, Behavioral
Health Liaison
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Hometown: Dubai, U. A. E.
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Undergraduate degree and university: Pacific Union College
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Medical school: Western University
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Residency Program: Arrowhead Regional Medical Center
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Passions in life: Family, Soccer, Music
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Passions in medicine: Education, Personal Growth and Development
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Current research: How to deliver the perfect dad-joke every time: a prospective, randomized, double-blind, meta-analysis... of sorts.
Stephanie Loe, M.D.
Assistant Medical Director for Disaster Medicine. Director of Global Health.
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Hometown; Cypress, CA
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Undergrad: UCLA B.S. Biology
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Med School: Wayne State University School of Medicine (Detroit, MI)
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Residency: LLU EM
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Current Research: COVID-19
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Passions in Life: pets, family, travel, challenges
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Passions in Medicine: International Mission Trips, Disaster Medicine
Timothy Nesper, M.D.
Core Faculty. Associate Residency Director, Emergency Medicine LLUMC, Assistant Clinical Professor LLUMC
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Hometown: San Clemente, CA
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Undergrad Degree: UCSB Bio Science
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Medical School Degree: Keck School of Medicine, USC
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Residency Program: LAC/USC 1986
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Current Research:
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Passions in life include Family, Faith and Friendship
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Passions in Medicine include Team Work, Teaching, Patient Wellness
Oscar Salaiz, D.O.
Assistant Medical Director. MAT Champion. Core Faculty.
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Hometown: West Covina, CA
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Undergraduate Education: UCSB
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Medical Education: WesternU
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Residency:
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RUHS EM Class of 2024
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Passions in Medicine: Teaching, Addiction Medicine, Med Sim, Harm Reduction, Mentoring, Performance Science
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Passions in Life: Family, coaching youth athletics, outdoor activities, soccer
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First Generation Mexican-American
Sarah Malcolm , M.D.
Wellness Director
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Hometown: Anaheim, CA
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Undergraduate Education: Cal State University, Fullerton
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Medical Education: Albany Medical College
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Residency: LLU EM
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Passions in Medicine: Lifestyle medicine, health equity for underserved patients
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Passions in Life: Surfing, paddle boarding, snorkeling, spearfishing