Summary

Dr. Orrin Troum is a rheumatologist who specializes in diagnosing and treating conditions affecting the joints, muscles, and immune system. He earned his medical degree from Universidad Autonoma de Guadalajara in Mexico and completed his internship and residency at LAC-USC Medical Center in Los Angeles, followed by fellowship training in rheumatology at the same institution in 1985. With 47 years of experience in medicine, Dr. Troum brings extensive knowledge to his practice. He is fluent in both English and Spanish.

Dr. Troum practices at The Doctors of Saint John's Rheumatology in Santa Monica, California, and maintains hospital privileges at Saint Johns Regional Medical Center. He focuses on treating arthritis and autoimmune diseases that can affect multiple body systems. His expertise includes helping patients manage back and joint pain through comprehensive care approaches. Dr. Troum offers arthritis therapy and coordinates with occupational and physical therapy services to help patients maintain mobility and function. Patients have given him an average rating of 5.0 stars, reflecting their confidence in his care.
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Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 5
  • 47 years of experience
  • 23 insurance plans accepted
  • speaks English, Spanish
  • LAC - USC Medical Center Los Angeles CA
  • 871 written reviews
  • 1 award
  • 2 specialties
  • 12 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 1 office location
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Awards

  • Vitals Preferred Provider

    • Vitals Preferred Provider Award
      • Preferred Provider badge recognizes providers that are committed to transparency, responsiveness and great service to patients, and have earned a high patient satisfaction rating.

  • Click for our Methodology

Office Location

The Doctors of Saint John's Rheumatology

2336 Santa Monica Blvd Ste 207Santa Monica, CA 90404

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Orrin Marshall Troum, MDDr. Justin Wu, DODr. William Joshua Martin, MDDr. Michael Herman Weisman, MD
RheumatologyRheumatologyRheumatologyRheumatology
Accepts New Patients Accepts New Patients Accepts New Patients
4.8 
47 Years of Experience 18 Years of Experience 20 Years of Experience 58 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks Chinese, Spanish Speaks English, Spanish Speaks English, Korean, Russian, Spanish
Santa Monica , CALa Palma , CAEncino , CALos Angeles , CA
Med School: Universidad Autonoma de Guadalajara Mexico Med School: Touro University California College Of Osteopathic Medicine Med School: Chicago Medical School At Rosalind Franklin University-Medicine & Sciences Med School: Univ Of Chicago Division Of Biological Sciences Pritzker School Of Medicine
Current Profile
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Insurance Plans Accepted by Orrin Marshall Troum

  • Accepts Medicare
  • Aetna HMO
  • Aetna Medicare Advantage PPO
  • Aetna PPO
  • Anthem Blue Cross HMO
  • Anthem Blue Cross PPO
  • Blue Shield of CA HMO
  • Blue Shield of CA HMO - Trio
  • Blue Shield of CA Medicare Advantage
  • Blue Shield of CA PPO
  • Cigna HMO
  • Cigna PPO
  • Coventry/First Health PPO
  • Health Net - HMO
  • Health Net PPO
  • HealthSmart (Interplan) PPO
  • Humana Medicare Advantage
  • Multiplan PPO
  • SCAN Medicare Advantage
  • TriWest - Tricare
  • United Healthcare HMO
  • United HealthCare PPO
  • US Family Health Plan - TriCare
  • Vivity by Anthem Blue Cross

Medical Specialties

Orrin Marshall Troum has the following 2 specialties

Specialty Expertise

Orrin Marshall Troum has the following 12 areas of expertise

  • Arthritis
  • Gout
  • Knee Osteoarthritis
  • Lupus
  • Osteoarthritis
  • Osteoarthritis (Hand and Wrist)
  • Osteoporosis
  • Psoriasis
  • Psoriatic Arthritis
  • Rheumatic Diseases
  • Rheumatologist
  • Tendinitis

Certifications, License, & Education

47 Years Experience

Orrin Marshall Troum holds an active medical license in the state of California.

Medical License

Medical Doctor with an active medical license in the state of California that expires in 2026.

Education & Training

Fellowship

Completed their fellowship at LAC - USC Medical Center Los Angeles CA in 1985 and Los Angeles County-USC Medical Center in 1985.

Residency

Completed their residency at LAC - USC Medical Center Los Angeles CA in 1983 and Los Angeles County-USC Medical Center in 1983.

Internship

Completed their internship at LAC - USC Medical Center Los Angeles CA in 1981 and Los Angeles County-USC Medical Center in 1981.

Medical School

Graduated from Universidad Autonoma de Guadalajara Mexico in 1979 and Universidad Autonoma de Guadalajara Facultad de Medicina in 1979.

NPI Number

Orrin Marshall Troum's NPI number is 1821032608.

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Frequently Asked Questions

Which hospitals is Orrin Troum affiliated with?
Orrin Troum is affiliated with Saint Johns Regional Medical Center.
Where is Orrin Troum's office located?
Orrin Troum's office is located at 2336 Santa Monica Blvd Ste 207, Santa Monica, CA, 90404.
Does Orrin Troum accept virtual/telehealth appointments?
Orrin Troum has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Does Orrin Troum accept my insurance?
You can see the insurance plans that Orrin Troum accepts on their Vitals profile.
How can I make an appointment with Orrin Troum?
You can find contact information for Orrin Troum here on Vitals.

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