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Physician Profile

Michael A. Duffy, MD

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At a glance

About Dr. Duffy

Based in Oshkosh, WI, Michael A. Duffy, MD is listed in the NPI registry under internal medicine. NPI 1922113182 identifies this record in the national registry.

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

Specialty

Internal Medicine (Primary)

Credentials & Licensing

WI licenceAs reported to the NPI registry
No. 24370As reported
MN licenceAs reported to the NPI registry
No. 25340As reported
NPINational Provider Identifier
1922113182Issued 2006

As reported to the NPI registry ↗

Common questions

What is Dr. Duffy's specialty?

Dr. Duffy is an internist in Oshkosh, WI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.

NPI registry

Where can I find Dr. Duffy?

Dr. Duffy is listed at 855 N Westhaven Dr, Oshkosh, WI 54904. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Dr. Duffy?

The number on file is (920) 303-8700. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Dr. Duffy's NPI number?

Dr. Duffy's National Provider Identifier is 1922113182. 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 long has Dr. Duffy been practicing?

Dr. Duffy has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Has Dr. Duffy confirmed this information?

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

Guide.md

Guide.md listings do not constitute medical advice or an endorsement.