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

Olivia Ann Walder, APRN

Individual provider Registered Nurse · NPI 1407543838

Olivia Ann Walder, APRN is a Nurse Practitioner in Onarga, Illinois. Qualified in 2022, 4 years ago. Practices with Gibson Community Hospital Association, a 159-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
4
Licensed in
IL
In the registry since
2023
Specialties on file
2
What do these letters mean?
APRN — Advanced Practice Registered Nurse
The umbrella licence covering nurse practitioners, midwives, anaesthetists and clinical nurse specialists.

See every abbreviation used in this directory →

Practice location Address checks out

912 W Seminary Ave
Onarga, IL 60955-1401
Phone: (815) 268-4840
Fax: (815) 268-4845
Show map & directions

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

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 209027194 (IL)
Registered Nurse Taxonomy 163W00000X · Licence 041454193 (IL)

Record details

NPI number1407543838
Entity typeIndividual (Type 1)
GenderFemale
Credentials APRN
Sole proprietorNo
NPI enumeratedApril 18, 2023
Last updated in NPPESFebruary 27, 2024
Certification dateFebruary 27, 2024
Mailing address1120 N Melvin St, Gibson City, IL 60936-1477

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2022 (4 years in practice)
Group practice Gibson Community Hospital Association — 159 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount