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

Yoon O Chang, MD

Individual provider Diagnostic Radiology Physician · NPI 1487693958

Yoon O Chang, MD is a Diagnostic Radiology Physician in Upland, California. Licensed in California and Ohio. Registered with an NPI since 2006.

Licensed in
CA, OH
In the registry since
2006
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

999 San Bernardino Rd Dept OF Radiology
Upland, CA 91786-4920
Phone: (909) 985-2811
Fax: (909) 456-1255
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence C51539 (CA)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence 35040781 (OH)

Record details

NPI number1487693958
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 6, 2006
Last updated in NPPESNovember 20, 2007

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