Flesscia S Mercer, APN

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

209028105 Issued in IL

Practice address

8940 N Wood Sage Rd
Peoria, IL 61615-7822

Phone

(309) 243-3000

Fax

(309) 243-3069

NPI assigned

Aug 17, 2023

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

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

Specialty

Nurse Practitioner

Education

Other, 2023

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Oncology-Hematology Associates of Central Illinois P CGroup PAC ID 3870571649, 64 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Osf Saint Clare Medical Center Hospital, Princeton, IL, CCN 141337
• Saint Francis Medical Center Hospital, Peoria, IL, CCN 140067
• Osf Saint Elizabeth MDL Ctr Hospital, Peru, IL, CCN 140110
• St Mary Medical Center Hospital, Galesburg, IL, CCN 140064
• Osf Saint Paul Medical Center Hospital, Mendota, IL, CCN 141310

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: flesscia.mercer@ilcc.ikm.direct-ci.com

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

• Oncology-Hematology Associates of Central Illinois P C

  • Hematology & Oncology Physician
  • Peoria, IL
  • NPI 1801896063
  Medicare reassignment Care Compare group NPD
• Carle Eureka Hospital

  • Critical Access Hospital
  • Eureka, IL
  • NPI 1184644023
  Medicare reassignment NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Mendota Community Hospital

  • Critical Access Hospital
  • Mendota, IL
  • NPI 1609803113
  Care Compare affiliation
• Osf Healthcare System

  • Critical Access Hospital
  • Princeton, IL
  • NPI 1093308439
  Care Compare affiliation
• Ottawa Regional Hospital & Healthcare Center

  • General Acute Care Hospital
  • Peru, IL
  • NPI 1588713440
  Care Compare affiliation
• St Mary Medical Center

  • General Acute Care Hospital
  • Galesburg, IL
  • NPI 1164485363
  Care Compare affiliation

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

{
    "created_epoch": "1692230400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772409600000",
    "number": "1265215610",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8940 N WOOD SAGE RD",
            "city": "PEORIA",
            "state": "IL",
            "postal_code": "616157822",
            "telephone_number": "309-243-3000",
            "fax_number": "309-243-3069"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8940 N WOOD SAGE RD",
            "city": "PEORIA",
            "state": "IL",
            "postal_code": "616157822",
            "telephone_number": "309-243-3000",
            "fax_number": "309-243-3069"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MERCER",
        "first_name": "FLESSCIA",
        "middle_name": "S",
        "credential": "APN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-08-17",
        "last_updated": "2026-03-02",
        "certification_date": "2026-03-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "IL",
            "license": "209028105",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Natalie Mencis
• Jennifer Mendaluk, FNP, APN
• Adriana Fernanda Mendez-Francia, DMD
• Stephanie Menezes
• Oriena Teiba Mensah, M.D.
• Meredith Messina LCPC PLLC
• Angela Mergen
• Terry Meriden, MD FACP FACN FACE
• Elaine D Meritt
• Michael S Merkley, M.D.

• Nurse Practitioner in Peoria, IL
• Providers in Peoria, IL by specialty
• Nurse Practitioner in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 2, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.