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

Arnold Tsai, MD

Individual provider Internal Medicine Physician · NPI 1043522154

Arnold Tsai, MD is an Internal Medicine Physician in Los Angeles, California. Licensed in California. Registered with an NPI since 2010.

Licensed in
CA
In the registry since
2010
Specialties on file
2
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

1500 San Pablo St
Los Angeles, CA 90033-5313
Phone: (323) 442-5100
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence A116863 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence A116863 (CA)

Record details

NPI number1043522154
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 6, 2010
Last updated in NPPESNovember 27, 2023
Certification dateSeptember 8, 2020

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