Provider Profile
Based in Chicago, IL, Leah A. Osnis is listed in the NPI registry under anatomic & clinical pathology. NPI 1437848777 identifies this record in the national registry.
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.
5841 S MARYLAND AVE # MC3083
Chicago, IL 60637
Leah A. Osnis is an anatomic & clinical pathology in Chicago, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
Leah A. Osnis is listed at 5841 S Maryland Ave # Mc3083, Chicago, IL 60637. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (773) 834-7708. Contact the office directly to confirm availability and scheduling.
NPI registry
Leah A. Osnis's National Provider Identifier is 1437848777. 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
Leah A. Osnis has 3+ years experience. Registered with an NPI since 2023. 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 Leah A. Osnis. If this is you, claiming it is free.
Guide.md
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