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Physician Profile

Leonard I. Leven, M.D.

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At a glance

About Dr. Leven

Leonard I. Leven, M.D. practices child & adolescent psychiatry in Old Greenwich, CT. Leonard is also listed as specializing in psychiatry. The provider's National Provider Identifier (NPI) is 1821098245.

Factual summary compiled by Guide.md from public records; not written by this provider.

Specialty

Psychiatry (Additional)

Credentials & Licensing

CT licenceAs reported to the NPI registry
No. 026744As reported
NY licenceAs reported to the NPI registry
No. 167310As reported
NPINational Provider Identifier
1821098245Issued 2005

As reported to the NPI registry ↗

Medicare information

Medicare opt-outEnded July 2024
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What does Leonard I. Leven specialize in?

Leonard I. Leven is a child & adolescent psychiatry in Old Greenwich, CT. That is the designation recorded for this NPI in the federal registry.

NPI registry

Where is Leonard I. Leven located?

Leonard I. Leven is listed at 3 W End Ave, Old Greenwich, CT 06870. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Leonard I. Leven's phone number?

The number on file is (203) 637-1486. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Leonard I. Leven?

Leonard I. Leven's National Provider Identifier is 1821098245. 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

How much experience does Leonard I. Leven have?

Leonard I. Leven has 21+ years experience. Registered with an NPI since 2005. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Is Leonard I. Leven's profile verified?

Not yet. This profile is built from public federal data and has not been confirmed by Leonard I. Leven. If this is you, claiming it is free.

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