Kristen Joanne Olszewski, APN-CNP

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

277001562 Issued in IL

Practice address

4789 Route 71
Oswego, IL 60543-7415

Phone

(630) 692-5730

Fax

(630) 692-5731

NPI assigned

Apr 24, 2017

Sex

Female

Sole proprietor

No

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, 2016

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Rush University Medical GroupGroup PAC ID 5496658874, 1,521 clinicians

Endeavor Health Medical GroupGroup PAC ID 2163334699, 3,330 clinicians

Rush-Copley Medical Group NFPGroup PAC ID 7618864877, 101 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Edward Hospital Hospital, Naperville, IL, CCN 140231

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: kolszewski19477@direct.edward.org
• Direct secure messaging: kolszewski153338@direct.rush.rush-health.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.

• Endeavor Health Medical Group

  • Emergency Medicine Physician
  • Evanston, IL
  • NPI 1497701882

  IL

  Medicare reassignment Care Compare group NPD
• Rush University Medical Group

  • Internal Medicine Physician
  • Chicago, IL
  • NPI 1093819542

  IL

  Medicare reassignment Care Compare group NPD
• Rush-Copley Medical Group, NFP

  • Family Medicine Physician
  • Aurora, IL
  • NPI 1093075848

  IL

  Medicare reassignment Care Compare group NPD
• E Mediate Cure LLC

  • Urgent Care Clinic/Center
  • Shorewood, IL
  • NPI 1780051466

  IL

  Medicare reassignment NPD
• Edward Health Ventures

  • Multi-Specialty Clinic/Center
  • Bolingbrook, IL
  • NPI 1962452912

  IL

  Medicare reassignment NPD
• Rush Medical Group

  • Internal Medicine Physician
  • Chicago, IL
  • NPI 1467312850

  IL

  Medicare reassignment
• A Plus Healthcare Management LLC

  • Nurse Practitioner
  • Shorewood, IL
  • NPI 1679961742
  NPD
• Edward Health Ventures

  • Psychiatry Physician
  • Yorkville, IL
  • NPI 1669707014
  NPD
• Endeavor Health Medical Group

  • Anesthesiology Physician
  • Evanston, IL
  • NPI 1265695944
  NPD
• Rush University Medical Center

  • Internal Medicine Physician
  • Chicago, IL
  • NPI 1689165540
  NPD
• Rush-Copley Medical Group NFP

  • Family Medicine Physician
  • Yorkville, IL
  • NPI 1184715625
  NPD
• Rush Copley Medical Group

  • Family Medicine Physician
  • Aurora, IL
  • NPI 1194836247
  NPD (past)

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

• Edward Hospital

  • General Acute Care Hospital
  • Naperville, IL
  • NPI 1427069632

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1492992000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777939200000",
    "number": "1922533397",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4789 ROUTE 71",
            "city": "OSWEGO",
            "state": "IL",
            "postal_code": "605437415",
            "telephone_number": "630-692-5730",
            "fax_number": "630-692-5731"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4789 ROUTE 71",
            "city": "OSWEGO",
            "state": "IL",
            "postal_code": "605437415",
            "telephone_number": "630-692-5730",
            "fax_number": "630-692-5731"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "13550 S Route 30",
            "address_2": "Suite 100",
            "address_purpose": "LOCATION",
            "city": "Plainfield",
            "state": "IL",
            "postal_code": "605445685",
            "country_code": "US",
            "telephone_number": "815-436-1655",
            "fax_number": "815-436-1656",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "OLSZEWSKI",
        "first_name": "KRISTEN",
        "middle_name": "JOANNE",
        "name_prefix": "Mrs.",
        "credential": "APN-CNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-04-24",
        "last_updated": "2026-05-05",
        "certification_date": "2026-05-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "IL",
            "license": "277001562",
            "primary": false
        },
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "IL",
            "license": "277001562",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Christianah O Olatunji
• Kelly Olenski, LCSW
• Lesley Olivas
• Olive Branch Wellness, PLLC
• Zoe Mae Olsen
• Brian D Oostman, DO
• Optimal Care Chiropractic
• Optimalyfe, LLC
• Oswego Chiropractic, LTD.
• Oswego Community Unit School District 308

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

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 5, 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.