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

Brian John Koos, MD

Individual provider Maternal & Fetal Medicine Physician · NPI 1033147913

Brian John Koos, MD is a Maternal & Fetal Medicine Physician in Los Angeles, 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

200 Medical Plz Ste 430
Los Angeles, CA 90095-0001
Phone: (310) 794-7274
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Maternal & Fetal Medicine Physician (primary) Taxonomy 207VM0101X · Licence G44129 (CA)

Record details

NPI number1033147913
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 29, 2006
Last updated in NPPESFebruary 13, 2015

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