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Margo Mcmahon, FNP-BC
NPI 1336381201 · on the registry since 2009
Practice
- Address
- 300 N Maple St
Effingham, IL 62401 - Phone
- (217) 342-4151
- Organisation at this address
- Springfield Clinic Llp
Springfield Clinic Llp
Marshall Clinic Effingham, S.C.
Laboratory Corporation Of AmericaInferred from a shared address, not stated in the registry. - Clinicians at this address
- 18
Additional practice sites
- 1303 W Evergreen Ave Ste 202, Effingham, IL
Registry record
- Primary taxonomy
- Family Nurse Practitioner
363LF0000X
- Licence states on file
- IL
From the registry's licence fields, which are often incomplete.
- Sex
- Female
- Record last updated
- 2026-03-16
Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in Illinois