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Edit this profileAt a glance
- 407 E Main St, Marshalltown, IA 50158
About Margaret Duffy
Listed in the NPI registry as a nurse practitioner, Margaret Duffy, ARNP practices in Marshalltown, IA. NPI 1841293503 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (641) 752-4681
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
407 E MAIN ST
Marshalltown, IA 50158
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 3
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Common questions
What is Margaret Duffy's specialty?
Margaret Duffy is a nurse practitioner in Marshalltown, IA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Margaret Duffy?
Margaret Duffy is listed at 407 E Main St, Marshalltown, IA 50158. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Margaret Duffy?
The number on file is (641) 752-4681. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Margaret Duffy?
Margaret Duffy's National Provider Identifier is 1841293503. 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 Margaret Duffy have?
Margaret Duffy 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 Margaret Duffy's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Margaret Duffy. If this is you, claiming it is free.
Guide.md
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