Marijke A Horn

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

149026184 Issued in IL

Practice address

2025 Washington St
Waukegan, IL 60085-5131

Phone

(847) 360-1065

NPI assigned

Sep 19, 2019

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Other names 1

• Marijke Sommer Former name

Medicare fee-for-service enrollment

Enrolled in IL

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Clinical Social Worker

Education

Other, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

The Josselyn Center NFPGroup PAC ID 0840289740, 86 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

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.

• The Josselyn Center NFP

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Northbrook, IL
  • NPI 1073548640

  Psychologist

  Medicare reassignment Care Compare group NPD
• The Josselyn Center NFP

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Grayslake, IL
  • NPI 1841078714
  NPD
• The Josselyn Center NFP

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Northbrook, IL
  • NPI 1457011934

  Psychologist

  NPD (past)

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

{
    "created_epoch": "1568851200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757894400000",
    "number": "1114577285",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "415 WASHINGTON ST",
            "city": "WAUKEGAN",
            "state": "IL",
            "postal_code": "600855564",
            "telephone_number": "847-441-5600"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2025 WASHINGTON ST",
            "city": "WAUKEGAN",
            "state": "IL",
            "postal_code": "600855131",
            "telephone_number": "847-360-1065"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HORN",
        "first_name": "MARIJKE",
        "middle_name": "A",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-09-19",
        "last_updated": "2025-09-15",
        "certification_date": "2025-09-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "IL",
            "license": "149026184",
            "primary": true
        },
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MARIJKE",
            "last_name": "SOMMER",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Tammy Joan Wehe Holder, M.S./CCC-SLP
• Glenna Marie Holm
• Theodis Junior Holmes
• Amy Holmgren, APRN, MPH
• Holy Family Dental Clinic, PC
• Amy Horvath, RN
• Pamela R. House, APN-CNP
• David Quintel Howery
• Sarah Howington
• Alyssa C Hughes

• Clinical Social Worker in Waukegan, IL
• Providers in Waukegan, IL by specialty
• Clinical Social Worker in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 15, 2025; 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.