Provider Profile
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License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
1600 VINE ST APT 325
Los Angeles, CA 90028
Donal O'Sullivan is listed at 1600 Vine St Apt 325, Los Angeles, CA 90028. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (323) 899-0317. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Donal O'Sullivan's National Provider Identifier is 1679969190. 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
Donal O'Sullivan has 11+ years experience. Registered with an NPI since 2015. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Not yet. This profile is built from public federal data and has not been confirmed by Donal O'Sullivan. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.