Are you Marissa O'Callaghan, MB BCH BAO? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileBased in Scottsdale, AZ, Marissa O'Callaghan, MB BCH BAO is listed in the NPI registry under internal medicine. NPI 1043743875 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
13400 E SHEA BLVD
Scottsdale, AZ 85259
Marissa O'Callaghan is an internist in Scottsdale, AZ. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Marissa O'Callaghan is listed at 13400 E Shea Blvd, Scottsdale, AZ 85259. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (480) 498-0980. Contact the office directly to confirm availability and scheduling.
NPI registry
Marissa O'Callaghan's National Provider Identifier is 1043743875. 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
Marissa O'Callaghan has 9+ years experience. Registered with an NPI since 2017. 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 Marissa O'Callaghan. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.
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