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About DUFF

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Areas of Expertise

Clinical Social Worker (Primary)

Common questions

What does Dr. Duff specialise in?

Dr. Duff is a clinical social worker in Mount Vernon, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Clinical Social Worker”.

NPI registry

Where is Dr. Duff located?

Dr. Duff is listed at 2023 RICHVIEW RD, Mount Vernon, IL 62864. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Dr. Duff's phone number?

The number on file is (618) 242-1070. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is the NPI for Dr. Duff?

Dr. Duff's National Provider Identifier is 1467771907. 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 Dr. Duff have?

Dr. Duff has 16+ years experience. Registered with an NPI since 2010. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practised for longer than this.

NPI registry

Is Dr. Duff's profile verified?

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

Guide.md

Licensing & Certification

IL license149.014048
NPI1467771907
NPI issued05/24/2010

Source: NPPES NPI Registry

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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 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.

Other clinical social workers in Mount Vernon 8

Same specialty, same city.

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