Physician Profile
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Source: NPPES NPI Registry
91 E GRAND BLVD SUITE101
Corona, CA 92879
Ralph D. Dean is a family doctor in Corona, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine”.
NPI registry
Ralph D. Dean is listed at 91 E Grand Blvd Suite101, Corona, CA 92879. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (951) 735-4569. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Ralph D. Dean's National Provider Identifier is 1033258389. 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
Ralph D. Dean has 19+ years experience. Registered with an NPI since 2007. 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 Ralph D. Dean. 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.