Provider Profile
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Source: NPPES NPI Registry
3286 E GUASTI RD STE 100
Ontario, CA 91761
Dr. Rollf is a specialist in Ontario, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Specialist”.
NPI registry
Dr. Rollf is listed at 3286 E GUASTI RD STE 100, Ontario, CA 91761. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (909) 479-3836. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Rollf's National Provider Identifier is 1497512248. 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
Dr. Rollf has 2+ years experience. Registered with an NPI since 2024. 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 Dr. Rollf. 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.