Provider Profile
Derek O'Bar, RN is a registered nurse based in Oakland, CA. The provider's National Provider Identifier (NPI) is 94001095464051.
Factual summary compiled by Guide.md from public records; not written by this provider.
This profile was created from that file: the provider holds a California licence and no NPI on record. Licence standing is from the California Department of Consumer Affairs public licensee file, read on Sep 26, 2026. The board is the record of authority; check it there before relying on it.
Derek O'Bar is a registered nurse in Oakland, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Derek O'Bar is listed at Oakland, CA 94602. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
Derek O'Bar's National Provider Identifier is 94001095464051. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Not yet. This profile is built from public federal data and has not been confirmed by Derek O'Bar. If this is you, claiming it is free.
Guide.md
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