Are you Constantine Ioannou, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileConstantine Ioannou, M.D. practices psychiatry in East Meadow, NY. The provider's National Provider Identifier (NPI) is 1124124003.
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.
2201 HEMPSTEAD TPKE NASSAU UNIVERSITY MEDICAL CENTER
East Meadow, NY 11554
Constantine Ioannou is a psychiatrist in East Meadow, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychiatry”.
NPI registry
Constantine Ioannou is listed at 2201 Hempstead Tpke Nassau University Medical Center, East Meadow, NY 11554. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (516) 572-6511. Contact the office directly to confirm availability and scheduling.
NPI registry
Constantine Ioannou's National Provider Identifier is 1124124003. 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
Constantine Ioannou attended Other, graduating in 1985. This comes from the CMS National Downloadable File.
CMS public data
Constantine Ioannou has 41 years experience. Calculated from a graduation year of 1985, 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 Constantine Ioannou. If this is you, claiming it is free.
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