Jennifer Leeann Olesen, NP-C

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

277000631 Issued in IL

Practice address

917 1St St
La Salle, IL 61301-2537

Phone

(815) 780-2525

Fax

(815) 205-4533

NPI assigned

Aug 17, 2016

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, TX2 enrollments

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 2

Specialty

Nurse Practitioner

Education

Other, 2016

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Local NP PCGroup PAC ID 2860804853, 2 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Osf Saint Elizabeth MDL Ctr Hospital, Peru, IL, CCN 140110

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

Practice roles

Locations

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.

• Local NP PC

  • Family Nurse Practitioner
  • La Salle, IL
  • NPI 1992317523
  Medicare reassignment Care Compare group NPD Authorized official
• Bad River Band of Lake Superior Tribe of Chippewa Indians Wis

  • Federally Qualified Health Center (FQHC)
  • Ashland, WI
  • NPI 1699701375

  TX

  Medicare reassignment NPD
• Bad River Band of Lake Superior Tribe of Chippewa Indians Wis.

  • Indian Health Service/Tribal/Urban Indian Health (I/T/U) Pharmacy
  • Ashland, WI
  • NPI 1780702829
  NPD

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

• Ottawa Regional Hospital & Healthcare Center

  • General Acute Care Hospital
  • Peru, IL
  • NPI 1588713440
  Care Compare affiliation

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

{
    "created_epoch": "1471392000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774396800000",
    "number": "1386199511",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "917 1ST ST",
            "city": "LA SALLE",
            "state": "IL",
            "postal_code": "613012537",
            "telephone_number": "815-780-2525",
            "fax_number": "815-205-4533"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "917 1ST ST",
            "city": "LA SALLE",
            "state": "IL",
            "postal_code": "613012537",
            "telephone_number": "815-780-2525",
            "fax_number": "815-205-4533"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OLESEN",
        "first_name": "JENNIFER",
        "middle_name": "LEEANN",
        "name_prefix": "Mrs.",
        "credential": "NP-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2016-08-17",
        "last_updated": "2026-03-25",
        "certification_date": "2026-03-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "IL",
            "license": "277000631",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Family Nurse Practitioner in La Salle, IL
• Providers in La Salle, IL by specialty
• Family Nurse Practitioner in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 25, 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.