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

Individual provider Specialist · NPI 1851559462

Dr. Troy James Andreasen, MD is a Specialist in Ontario, California. Licensed in California. Registered with an NPI since 2008.

Licensed in
CA
In the registry since
2008
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

3333 E Concours St Ste #3
Ontario, CA 91764
Phone: (909) 481-7500
Fax: (909) 481-1857
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence A61879 (CA)

Record details

NPI number1851559462
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 30, 2008
Last updated in NPPESMay 30, 2008

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