Provider Profile
Listed in the NPI registry as a registered nurse, Mason C. O'Sullivan, RN practices in Mount Shasta, CA. This record is held for California licence 95299485 · Registered Nurse.
Factual summary compiled by Guide.md from public records; not written by this provider.
Mason C. O'Sullivan is a registered nurse in Mount Shasta, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Mason C. O'Sullivan is listed at Mount Shasta, CA 96067. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
Mason C. O'Sullivan's National Provider Identifier is 94001095299485. 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 Mason C. O'Sullivan. If this is you, claiming it is free.
Guide.md
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