Individual provider Active NPI

Katherine Sieger

  • Music Therapist
  • Barrington, IL
National Provider Identifier
1134769482
Registry record updated Aug 31, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Music TherapistTaxonomy code 225A00000X
License
144.000133 Issued in IL
Practice address
124 W Russell St
Barrington, IL 60010-4310
Phone
(847) 899-5283
NPI assigned
Jan 14, 2020
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Aug 31, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Music Therapist 225A00000X 144.000133 IL Primary

Addresses

Primary practice location

124 W Russell St
Barrington, IL 60010-4310

Mailing address

360 W Illinois St Apt 311
Chicago, IL 60654-5279

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

NPI Registry JSON

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

{
    "created_epoch": "1578960000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788134400000",
    "number": "1134769482",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "360 W ILLINOIS ST APT 311",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606545279"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "124 W RUSSELL ST",
            "city": "BARRINGTON",
            "state": "IL",
            "postal_code": "600104310",
            "telephone_number": "847-899-5283"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIEGER",
        "first_name": "KATHERINE",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2020-01-14",
        "last_updated": "2026-08-31",
        "certification_date": "2026-08-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225A00000X",
            "taxonomy_group": "",
            "desc": "Music Therapist",
            "state": "IL",
            "license": "144.000133",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Barrington, IL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 31, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.