Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Margo S McMahon, FNP-BC

Individual provider Family Nurse Practitioner · NPI 1336381201

Margo S McMahon, FNP-BC is a Nurse Practitioner in Effingham, Illinois. Graduated from Indiana University School of Medicine in 2008, 18 years ago. Practices with Sarah Bush Lincoln Health Center, a 410-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
18
Trained at
Indiana University School of Medicine
Licensed in
IL
In the registry since
2009
What do these letters mean?
FNP-BC — Family Nurse Practitioner, Board Certified
A family nurse practitioner certified by the ANCC.

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Practice location Address checks out

300 N Maple St
Effingham, IL 62401-2003
Phone: (217) 342-4151
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1303 W Evergreen Ave Ste 202, Effingham, IL 62401-1638 — (217) 238-4634

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 209007512 (IL)

Record details

NPI number1336381201
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP-BC
Sole proprietorNo
NPI enumeratedMarch 24, 2009
Last updated in NPPESMarch 16, 2026
Certification dateMarch 16, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolINDIANA UNIVERSITY SCHOOL OF MEDICINE
Graduated 2008 (18 years in practice)
Group practice Sarah Bush Lincoln Health Center — 410 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Other providers in Effingham