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Clinical Faculty

Denise Ammon, MD
Assistant Facility Medical Director

Medical School: Tulane University
Residency: SUNY Downstate/Kings County
Professional Interests: Critical care, Ultrasound
Hobbies: Traveling, running, reality tv, german shepherds, and saving the world

Doug DeMartinis, MD

Medical School: UC Irvine
Residency: San Joaquin General Hospital
Hobbies: Photography, backwoodsing, travel

Zack Haberman, MD

Medical School: Keck School of Medicine of USC
Residency: LA County+USC Medical Center
Professional Interests: ED Admin, QI
Hobbies: Skiing, baseball, ping pong, watching football, traveling off the beaten track, discovering the best cheap eats

Michael Herrera, DO

Medical School: Western University of Health Sciences College of Osteopathic Medicine
Residency: UC Davis Medical Center


Douglas Malcolm, MD

Medical School: University of Utah School of Medicine
Residency: Kern Medical Center, Bakersfield, CA


Mohammad Reza Mohebbi, MD

Medical School: Tehran University of Medical Sciences
Residency: University of Iowa (Family Medicine) and University of Missouri-Columbia (Emergency Medicine)
Professional Interests: Clinical research & publication
Hobbies: Spending time with my family

Romaine S. Sangha, MD

Medical School: Ross University School of Medicine
Residency: University of Nebraska Medical Center -Omaha
Professional Interests: Outpatient care, community awareness, telehealth
Hobbies: Snowboarding, paintball, spending time with family, handyman projects

Eric Schultz, MD

Medical School: University of Tel Aviv
Residency: Temple University



Zina Semenovskaya, MD FAWM

Medical School: Weill Cornell Medical College
Residency: SUNY Downstate / Kings County
Fellowship: Wilderness Medicine at Stanford University Medical Center 
Professional Interests: Conservation medicine, global health, search and rescue, aeromedical retrieval, disaster relief, POC ultrasound
Hobbies: Hiking, backcountry and downhill skiing, kayaking, international travel, spending time with my husband, daughter and dogs