Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Orrin M Troum, MD

Individual provider Rheumatology Physician · NPI 1821032608

Orrin M Troum, MD is a Rheumatology in Santa Monica, California. Qualified in 1979, 47 years ago. Practices with Providence Saint Johns Medical Foundation, a 285-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
47
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2336 Santa Monica Blvd Ste 207
Santa Monica, CA 90404-2067
Phone: (310) 449-1999
Fax: (310) 453-8533
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence A37014 (CA)

Record details

NPI number1821032608
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 15, 2006
Last updated in NPPESApril 20, 2021
Certification dateApril 20, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyRHEUMATOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1979 (47 years in practice)
Group practice Providence Saint Johns Medical Foundation — 285 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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