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

Derrick Koo, MD

Individual provider Radiation Oncology Physician · NPI 1902984495

Derrick Koo, MD is a Radiation Oncology Physician in Roseville, California. Licensed in California. Registered with an NPI since 2006.

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

504 Gibson Dr
Roseville, CA 95678-5799
Phone: (916) 771-2871
Fax: (916) 771-2841
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence A86734 (CA)

Record details

NPI number1902984495
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 1, 2006
Last updated in NPPESDecember 13, 2021
Mailing address1800 Harrison St Fl 7, Oakland, CA 94612-3466

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