Provider Profile
Margaret M. Grossmayer, APRN, FNP-C
Unclaimed ProfileAbout Margaret Grossmayer
Margaret M. Grossmayer, APRN, FNP-C is a nurse practitioner based in Saint Charles, IL. The provider's National Provider Identifier (NPI) is 1548140973.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
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
- (630) 377-2800
- Email not available
Practice Locations
3310 W MAIN ST STE 100
Saint Charles, IL 60175
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 24 related providers in 3 groups
Other nurse practitioners in Saint Charles 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2025 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Margaret M. Grossmayer, APRN's specialty?
Margaret M. Grossmayer, APRN is a nurse practitioner in Saint Charles, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Margaret M. Grossmayer, APRN?
Margaret M. Grossmayer, APRN is listed at 3310 W Main St Ste 100, Saint Charles, IL 60175. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Margaret M. Grossmayer, APRN?
The number on file is (630) 377-2800. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Margaret M. Grossmayer, APRN?
Margaret M. Grossmayer, APRN's National Provider Identifier is 1548140973. 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
What is Margaret M. Grossmayer, APRN's education?
Margaret M. Grossmayer, APRN attended Other, graduating in 2025. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Margaret M. Grossmayer, APRN have?
Margaret M. Grossmayer, APRN has 1 year experience. Calculated from a graduation year of 2025, reported in the CMS National Downloadable File.
CMS public data
Is Margaret M. Grossmayer, APRN's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Margaret M. Grossmayer, APRN. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.