Are you Dr. Oliveira de Castro Alves? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileMariana Oliveira de Castro Alves, MD is a healthcare provider in Providence, RI specializing in internal medicine. This provider record is associated with NPI 1073493789.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
825 CHALKSTONE AVE
Providence, RI 02908
Dr. Oliveira de Castro Alves is an internist in Providence, RI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Dr. Oliveira de Castro Alves is listed at 825 Chalkstone Ave, Providence, RI 02908. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (401) 456-2000. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Oliveira de Castro Alves's National Provider Identifier is 1073493789. 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. Oliveira de Castro Alves has 1+ years experience. Registered with an NPI since 2025. 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. Oliveira de Castro Alves. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.