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

Mary Jo Bierman, APN

Individual provider Family Nurse Practitioner · NPI 1588273916

Mary Jo Bierman, APN is a Nurse Practitioner in Effingham, Illinois. Qualified in 2020, 6 years ago. Practices with Effingham Obstetrics and Gynecology Associates PLLC, a 12-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
6
Licensed in
IL
In the registry since
2020
Specialties on file
2
What do these letters mean?
APN — Advanced Practice Nurse
The umbrella title some states use for nurse practitioners and other advanced practice nurses.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

905 N Maple St
Effingham, IL 62401-6401
Phone: (217) 258-4186
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 2090217177 (IL)
Nurse Practitioner Taxonomy 363L00000X · Licence 209021717 (IL)

Record details

NPI number1588273916
Entity typeIndividual (Type 1)
GenderFemale
Credentials APN
Sole proprietorYes
NPI enumeratedJuly 31, 2020
Last updated in NPPESApril 7, 2026
Certification dateApril 7, 2026

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Effingham Obstetrics And Gynecology Associates Pllc — 12 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Effingham