Physician Profile
Listed in the NPI registry as a specialist, Karl W. Diehn, M.D. practices in Baltimore, MD. NPI 1467466623 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.
6565 N CHARLES ST SUITE 601
Baltimore, MD 21204
Karl W. Diehn is a specialist in Baltimore, MD. That is the designation recorded for this NPI in the federal registry.
NPI registry
Karl W. Diehn is listed at 6565 N Charles St Suite 601, Baltimore, MD 21204. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (410) 821-5151. Contact the office directly to confirm availability and scheduling.
NPI registry
Karl W. Diehn's National Provider Identifier is 1467466623. 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
Karl W. Diehn has 20+ years experience. Registered with an NPI since 2006. 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 Karl W. Diehn. If this is you, claiming it is free.
Guide.md
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