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About Mercyfirst

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Areas of Expertise

Community/Behavioral Health Agency (Primary)

Common questions

What does Mercyfirst specialise in?

Mercyfirst is a community/behavioral health agency in Syosset, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Community/Behavioral Health Agency”.

NPI registry

Where is Mercyfirst located?

Mercyfirst is listed at 525 CONVENT RD, Syosset, NY 11791. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Mercyfirst's phone number?

The number on file is (516) 921-0808. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is the NPI for Mercyfirst?

Mercyfirst's National Provider Identifier is 1770657421. 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

Is Mercyfirst's profile verified?

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

Guide.md

Licensing & Certification

NPI1770657421
NPI issued11/17/2006

Source: NPPES NPI Registry

Related providers

Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.

Also at Mercyfirst 2

Providers listing the same practice in the NPI registry.

Also at this address 4

Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.

Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.