Individual provider Active NPI

Ashley Messmer

  • Family Nurse Practitioner
  • Peoria, IL
National Provider Identifier
1669818415
Registry record updated Apr 20, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
209010548 Issued in IL
Practice address
1310 N Missouri Ave
Peoria, IL 61603-3105
Phone
(309) 308-3800
Fax
(309) 623-2330
NPI assigned
May 21, 2013
Last updated
Apr 20, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 20, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X 209010548 IL Primary

Addresses

Primary practice location

1310 N Missouri Ave
Peoria, IL 61603-3105

Mailing address

1310 N Missouri Ave
Peoria, IL 61603-3105
Phone (309) 308-3800

Other names 1

  • Ashley Darin Messmer Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20130819000215 IL Practitioner - Nurse Practitioner 8820230097 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2013
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Osf Multi-Specialty GroupGroup PAC ID 3678889789, 2,123 clinicians

Practice addresses (Care Compare)

200 E Pennsylvania Ave
Peoria, IL 61603-3089
Phone (309) 624-4000

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Saint Francis Medical Center Current Accepting new patients
Methodist Medical Center of Illinois Nurse Practitioner CurrentSince Oct 4, 2022 Accepting new patients
Methodist Medical Center of Illinois CurrentSince Oct 4, 2022 Accepting new patients
Central PA Pharmacy LLC. Current Accepting new patients
Osf Multi-Specialty Group CurrentSince Jan 1, 2016 Accepting new patients
Saint Francis Medical Center Nurse Practitioner CurrentSince Apr 17, 2025 Accepting new patients
Methodist Medical Center of Illinois Current Accepting new patients
Gibson Community Hospital Association Past Accepting new patients

Locations

1505 Eastland Dr
Ste 1100
Bloomington, IL 61701
Phone (309) 663-2100

1701 E College Ave
Bloomington, IL 61704
Phone (309) 664-3000

801 Fox Run
Heyworth, IL 61745
Phone (309) 473-2069

2200 Fort Jesse Rd
Normal, IL 61761
Phone (309) 268-9300

112 NE Crescent Ave
Peoria, IL 61606
Phone (309) 671-7779

124 SW Adams St
Peoria, IL 61602
Phone (309) 655-2850

200 E Pennsylvania Ave
Peoria, IL 61603
Phone (309) 624-4000

5114 N Glen Park Place Rd
Peoria, IL 61614
Phone (309) 655-2431

530 NE Glen Oak Ave
Peoria, IL 61637
Phone (309) 655-2553

815 Main St
Ste A
Peoria, IL 61602
Phone (309) 671-3000

8600 State Route 91
Ste 130
Peoria, IL 61615
Phone (309) 683-5050

900 Main St
Ste 100
Peoria, IL 61602
Phone (309) 671-7772

Organizations & group practices 8

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1369094400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776643200000",
    "number": "1669818415",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1310 N MISSOURI AVE",
            "city": "PEORIA",
            "state": "IL",
            "postal_code": "616033105",
            "telephone_number": "309-308-3800",
            "fax_number": "309-623-2330"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1310 N MISSOURI AVE",
            "city": "PEORIA",
            "state": "IL",
            "postal_code": "616033105",
            "telephone_number": "309-308-3800",
            "fax_number": "309-623-2330"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MESSMER",
        "first_name": "ASHLEY",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2013-05-21",
        "last_updated": "2026-04-20",
        "certification_date": "2026-04-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "IL",
            "license": "209010548",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "ASHLEY",
            "last_name": "DARIN MESSMER",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Peoria, IL

Sources for this page

Verify at the official NPI Registry.