Physician Profile
Mark K. Keohane, M.D. is a healthcare provider in O Fallon, MO specializing in orthopaedic surgery. Mark trained at Saint Louis University School of Medicine, graduating in 1971.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
9323 PHOENIX VILLAGE PKWY
O Fallon, MO 63366
Mark K. Keohane is an orthopaedic surgeon in O Fallon, MO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Orthopaedic Surgery”.
NPI registry
Mark K. Keohane is listed at 9323 Phoenix Village Pkwy, O Fallon, MO 63366. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (636) 561-5030. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Mark K. Keohane's National Provider Identifier is 1710980750. 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
Mark K. Keohane attended Saint Louis University School of Medicine, graduating in 1971. This comes from the CMS National Downloadable File.
CMS public data
Mark K. Keohane has 55 years experience. Calculated from a graduation year of 1971, reported in the CMS National Downloadable File.
CMS public data
Not yet. This profile is built from public federal data and has not been confirmed by Mark K. Keohane. 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.