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

Ashley Messmer

Individual provider Family Nurse Practitioner · NPI 1669818415

Ashley Messmer is a Nurse Practitioner in Peoria, Illinois. Qualified in 2013, 13 years ago. Practices with Osf Multi-Specialty Group, a 2,128-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
13
Licensed in
IL
In the registry since
2013

Practice location Address checks out

1310 N Missouri Ave
Peoria, IL 61603-3105
Phone: (309) 308-3800
Fax: (309) 623-2330
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 209010548 (IL)

Record details

NPI number1669818415
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedMay 21, 2013
Last updated in NPPESApril 20, 2026
Certification dateApril 20, 2026

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Group practice Osf Multi-Specialty Group — 2128 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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