Provider Profile
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Source: NPPES NPI Registry
8391 E CRESTHILL DR
Tucson, AZ 85750
Michael Orenstein is an internist in Tucson, AZ. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Michael Orenstein is listed at 8391 E Cresthill Dr, Tucson, AZ 85750. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (973) 809-8702. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Michael Orenstein's National Provider Identifier is 1093193351. 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
Michael Orenstein 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 Michael Orenstein. 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.