Orrin Troum MD

Orrin Troum, MD

Rheumatology

Accepting New Patients

About Orrin Troum, MD  

Double certified by the American Board of Internal Medicine in Rheumatology and Internal Medicine, Orrin M. Troum, MD, 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.   

Dr. Troum completed his medical training at the Universidad Autonoma de Guadalajara in Mexico. He completed his internship and residency at the LAC & USC Medical Center in Los Angeles, California, and is a Fellow American College of Rheumatology – ACR.  

Dr. Troum pioneered the Extremity MRI in the United States for evaluation, clinical decision process, and outcome for inflammatory arthritis patients. Also, he is a recent Past President of The International Society for Musculoskeletal Imaging in Rheumatology (ISEMIR).   

Dr. Troum has served on the Arthritis Foundation by being a member of their Board of Directors, Medical & Scientific Committee, and 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.  

Dr. Troum has published several articles, including one on the short-term changes on MRI predicting long-term changes on radiography in rheumatoid arthritis, which is an analysis by an OMERACT Task Force of pooled data from four randomized controlled trials. Another article examines the validity of the rheumatoid arthritis magnetic resonance imaging score according to the OMERACT filter-a systematic literature review.  

Dr. Troum enjoys working with his patients. That may be why they say he is knowledgeable, pleasant, respectful, and extremely thorough.  

Dr Troum is a knowledgeable and empathic doctor. He is very conscientious. I have always had superior experiences with him as my doctor.

Real Patient
Orrin Troum

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Orrin M. Troum, MD
Rheumatology

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Rheumatology
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Medical Service

Rheumatology

Locations

2336 Santa Monica Blvd., Suite 207,
Santa Monica, CA 90404

Education

Medical School
Universidad Autonoma de Guadalajara, Mexico
1979

Internship
LAC – USC Medical Center, Los Angeles, CA
1981

Residency
LAC – USC Medical Center, Los Angeles, CA
1983

Fellowship
LAC – USC Medical Center, Los Angeles, CA
1985

Languages

Spanish

child checkup

Reviews

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As part of ensuring you have a positive experience with Providence, our online provider directory includes ratings and patient comments for select providers. More about our survey.

  • 4.9
  • 380 Reviews
  • 119 Comments
  • 5
10/30/2022

Dr troum is an excellent dr I am lucky to have him on my medical team

Providence Patient
  • 5
10/26/2022

As always, seeing Dr. Troum is a very positive experience. He is kind, listens and offers appropriate & dependable advice.

Providence Patient
  • 5
08/29/2022

I'm very satisfied with my visit to this doctor. I got a complete information about my health condition and a plan of future treatment including new prescription. Also, the blood test was takenDuring appointment time. All staff is very professional.

Providence Patient
  • 5
08/23/2022

Always a really good/ healthy experience with environment, Dr and assistants. Actually a pleasure which is very unusual!!

Providence Patient
  • 5
08/19/2022

Dr Troum was knowledgeable, professional and kind. What a caring doctor. Thank you

Providence Patient
  • 5
08/16/2022

Dr. Troum and his staff are simply the best. He goes above and beyond in learning about, treating and explaining to me my care.

Providence Patient
  • 5
08/16/2022

Dr Troum is an outstanding doctor.

Providence Patient
  • 5
08/15/2022

Dr. Truom is excellent. He is truly genuine in the care he provides.

Providence Patient
  • 5
08/15/2022

Dr. Troum is always superb!

Providence Patient