Judith Lynn Williamson, RN, APRN-BC, FNP,

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

209006790 Issued in IL

Practice address

8940 N Wood Sage Rd
Peoria, IL 61615-7822

Phone

(309) 243-3000

Fax

(309) 243-3044

NPI assigned

Aug 6, 2007

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 2

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, 1998

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)

Merit-based Incentive Payment System (MIPS)

Final score

79.09 of 100Reported as group

Quality

72.2

Promoting interoperability

86

Improvement activities

40

Cost

59.81

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner, Registered Nurse

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: judy.williamson@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

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

{
    "created_epoch": "1186358400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772409600000",
    "number": "1922299742",
    "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": "309-243-3044"
        },
        {
            "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": "309-243-3044"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMSON",
        "first_name": "JUDITH",
        "middle_name": "LYNN",
        "name_prefix": "Ms.",
        "credential": "RN, APRN-BC, FNP,",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2007-08-06",
        "last_updated": "2026-03-02",
        "certification_date": "2026-03-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "IL",
            "license": "209006790",
            "primary": true
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "IL",
            "license": "309-001477",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Mark Anthony Williams, LPN
• Melissa Williams
• Peter Anthony Williams, MD
• Jeffrey L Williamson, MD
• Joshua Williamson, MA, NCC, LPC
• Matthew Joseph Willis, APN
• Sue Willis, PTA
• Jennifer N Willman, CNP
• Delinda Demita Wills, MD
• Laura Wilshire, OD

• 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.