Why, Inc.

Primary specialty

Oxygen Equipment & Supplies (DME)Taxonomy code 332BX2000X

License

203000615 Issued in IL

Legal business name

WHY, INC.

Practice address

100 Terrace Dr
Mundelein, IL 60060-3826

Phone

(847) 362-0500

Fax

(847) 327-3158

NPI assigned

May 18, 2006

Organization subpart

No

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

Authorized official

Name

Kyle Cass

Title

Owner

Phone

(847) 362-0500

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in IL

Enrollment records 1

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

Medicare medical equipment & supply locations

Locations

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

{
    "created_epoch": "1147910400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1758499200000",
    "number": "1568415826",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 TERRACE DR",
            "city": "MUNDELEIN",
            "state": "IL",
            "postal_code": "600603826",
            "telephone_number": "847-362-0500",
            "fax_number": "847-327-3158"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 TERRACE DR",
            "city": "MUNDELEIN",
            "state": "IL",
            "postal_code": "600603826",
            "telephone_number": "847-362-0500",
            "fax_number": "847-327-3158"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "WHY, INC.",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-05-18",
        "last_updated": "2025-09-22",
        "certification_date": "2025-09-22",
        "status": "A",
        "authorized_official_last_name": "CASS",
        "authorized_official_first_name": "KYLE",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "847-362-0500"
    },
    "taxonomies": [
        {
            "code": "332BX2000X",
            "taxonomy_group": "",
            "desc": "Durable Medical Equipment & Medical Supplies, Oxygen Equipment & Supplies",
            "state": "IL",
            "license": "203000615",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Ashley R Watson, DMD
• WCS Chiropractic P.C.
• Webster Dental Care of Mundelein, LTD.
• Keef Weinstein, LCPC
• Thomas Wells, DDS
• Michelle Robin Wichter
• Susan Wisehart, M.S., NCSP, LMFT
• Karen Lynn Wolownik, LCSW
• Sean Woodford, PSYD, CADC
• Haesook Yang

• Oxygen Equipment & Supplies (DME) in Mundelein, IL
• Providers in Mundelein, IL by specialty
• Oxygen Equipment & Supplies (DME) in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 22, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• 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.