Katherine Lynn Wilhelm, DNP, AG-ACNP

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

209033398 Issued in IL

Practice address

676 N Saint Clair St Ste 2140
Chicago, IL 60611-3143

Phone

(312) 695-3800

Fax

(312) 695-3644

NPI assigned

Jul 11, 2022

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 CA, IL2 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

University of Kentucky College of Medicine, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Northwestern Medical Faculty FoundationGroup PAC ID 4587576814, 4,386 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Northwestern Memorial Hospital Hospital, Chicago, IL, CCN 140281

Merit-based Incentive Payment System (MIPS)

Final score

93.23 of 100Reported as group

Quality

77.83

Promoting interoperability

98

Improvement activities

40

Cost

71.17

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

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.

• Northwestern Medical Faculty Foundation

  • Multi-Specialty Clinic/Center
  • Carol Stream, IL
  • NPI 1346235314
  Medicare reassignment Care Compare group NPD
• Cedars-Sinai Medical Center

  • General Acute Care Hospital
  • Los Angeles, CA
  • NPI 1639172372
  Medicare reassignment NPD
• Northwestern Medical Faculty Foundation

  • Durable Medical Equipment & Medical Supplies
  • Chicago, IL
  • NPI 1417718479
  NPD
• Cedars-Sinai Medical Center

  • Pharmacy
  • Los Angeles, CA
  • NPI 1376514810
  NPD
• Central Dupage Physician Group

  • Family Medicine Physician
  • Carol Stream, IL
  • NPI 1033149844
  NPD (past)

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

• Northwestern Memorial Hospital

  • General Acute Care Hospital
  • Chicago, IL
  • NPI 1497859649
  Care Compare affiliation

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

{
    "created_epoch": "1657497600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774569600000",
    "number": "1871227462",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "676 N SAINT CLAIR ST STE 2140",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606113143",
            "telephone_number": "312-695-3800",
            "fax_number": "312-695-3644"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "676 N SAINT CLAIR ST STE 2140",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606113143",
            "telephone_number": "312-695-3800",
            "fax_number": "312-695-3644"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILHELM",
        "first_name": "KATHERINE",
        "middle_name": "LYNN",
        "credential": "DNP, AG-ACNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-07-11",
        "last_updated": "2026-03-27",
        "certification_date": "2026-03-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "IL",
            "license": "209033398",
            "primary": true
        },
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "CA",
            "license": "95019012",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Valerie B Wiley, M.A.
• Cody Wilfinger, DDS
• John Douglas Wilgucki II, MD
• Rachel Wilharm
• John Wilhelm, MD
• Margaret Marie Wilhelm, RN, BSN
• Nick D Wilhelm
• Sheree Wilichowski
• Michelle H Wilim
• Adriane Wilk, LCPC

• Nurse Practitioner in Chicago, IL
• Providers in Chicago, 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 27, 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.