Photo of Orrin M Troum

Orrin M. Troum

Languages: Spanish, English
Accepting New Patients
Professional Statement
Orrin M. Troum, M.D., is a Clinical Professor of Medicine and Voluntary Faculty Member of, The Division of Rheumatology at the Keck School of Medicine/University of Southern California and is Board Certified in Internal Medicine and Rheumatology. He pioneered the use of Extremity MRI in the United States for the evaluation, clinical decision process and outcome of patients with inflammatory arthritis and is immediate Past President of The International Society for Musculoskeletal Imaging in Rheumatology (ISEMIR). Dr. Troum has served the Arthritis Foundation by being a member of their Board of Directors, Medical & Scientific Committee and the most recently the Advocacy and Public Policy Committee. He joined The Doctors of St. John’s Medical Group in 2014 and is a member of their Board of Directors.
Universidad Autonoma De Guadalajara, Mexico
Medical School
LAC - USC Medical Center, Los Angeles, CA
LAC - USC Medical Center, Los Angeles, CA
LAC - USC Medical Center, Los Angeles, CA
Professional Associations
Professional Memberships
  • Fellow American College of Rheumatology - ACR
Board Certifications
  • American Board of Internal Medicine, Rheumatology
  • American Board of Internal Medicine, Internal Medicine
Clinical Interests
  • Ankylosing Spondylitis
  • Arthralgia
  • Arthritis
  • Autoimmune Disease
  • Bursitis
  • Carpal Tunnel Syndrome
  • Cortisone Injection
  • Fibromyalgia
  • Gout
  • Osteoarthritis
  • Osteoporosis
  • Psoriatic Arthritis
  • Raynaud's Syndrome
  • Rheumatoid Arthritis
  • Trigger Point Injection
2336 Santa Monica Boulevard Suite 207
Santa Monica, CA 90404
(310) 453-8533
Affiliated Facilities
Providence Saint John's Health Center