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

David Jeffrey Demanes, MD

Individual provider Radiation Oncology Physician · NPI 1407914757

David Jeffrey Demanes, MD is a Radiation Oncology Physician in Los Angeles, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
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

200 Medical Plz B265
Los Angeles, CA 90095-0001
Phone: (310) 825-0128
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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 G29678 (CA)
Medical Oncology Physician Taxonomy 207RX0202X · Licence G29678 (CA)

Record details

NPI number1407914757
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 5, 2006
Last updated in NPPESJune 21, 2010

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