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33 years of experience
Accepting new patients
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (6)

The overall average patient rating of Dr. Orrin Troum is Good. Dr. Troum has been reviewed by 20 patients who have provided 6 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 2.5
Promptness 3.3
Courteous Staff 3.0
Accurate Diagnosis 4.1
Bedside Manner 4.2
Spends Time with Me 4.2
Follows Up After Visit 3.3

Specialties & Research

Dr. Orrin Troum, MD is board certified in Rheumatology.

  • He has special expertise in 9 areas:
  • Arthritis
  • Hip Osteoarthritis
  • Knee Osteoarthritis
  • Osteoarthritis (Hand and Wrist)
  • Osteoporosis
  • Psoriasis
  • Psoriatic Arthritis
  • Rheumatic Diseases
  • Rheumatoid Arthritis

Education & Awards

Dr. Troum graduated from University of Guadalajara, Mexico, San Antonio.


Dr. Troum has 11 hospital affiliations:

  • St. John's Hospital & Health Center 
  • St. Vincent Medical Center 


  • Spanish

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Additional Information
Dr. Orrin Troum MD is a male Rheumatologist, has 33 years of experience and practices in Rheumatology.
Where does Dr. Orrin Troum practice?
Dr. Orrin Troum has 1 office location.
Dr. Orrin Troum practices Rheumatology near Santa Monica, CA.
See Santa Monica Rheumatologists.