Midwest Allergy Inc

Primary specialty

Allergy & Immunology PhysicianTaxonomy code 207K00000X

Legal business name

MIDWEST ALLERGY INC

Practice address

2000 Larkin Ave Ste 203
Elgin, IL 60123-5878

Phone

(847) 931-1999

Fax

(847) 931-1721

NPI assigned

Dec 15, 2010

Organization subpart

No

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

Authorized official

Name

Ms. Val Thomas-Katz

Title

Biller

Phone

(847) 931-1999

Specialties & licenses 2

Addresses

Other identifiers 2

Medicare fee-for-service enrollment

Enrolled in IL

Enrollment records 1

Other NPIs on the same Medicare enrollment 1

NPIs listed together on one Medicare enrollment, typically parts of the same organization.

• Midwest Allergy Inc

  • Allergy & Immunology Physician
  • Westchester, IL
  • NPI 1366743924

  O20110511000410

  Same enrollment

Tax ID family

Midwest Allergy Inc4 organizations share this tax ID, including this one

Other organizations with this tax ID 3

Organizations that report the same tax identification number in the National Provider Directory.

• Midwest Allergy Inc

  • Allergy & Immunology (Internal Medicine) Physician
  • Westchester, IL
  • NPI 1356642912
  NPD tax ID
• Midwest Allergy Inc

  • Allergy & Immunology Physician
  • Westchester, IL
  • NPI 1366743924
  NPD tax ID
• Midwest Allergy Inc

  • Allergy & Immunology (Internal Medicine) Physician
  • Palos Heights, IL
  • NPI 1801197462
  NPD tax ID

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Muhammad T K Ghani, M.D.

  • Allergy & Immunology Physician
  • Westchester, IL
  • NPI 1194739268
  Medicare reassignment NPD

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

{
    "created_epoch": "1292371200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1766102400000",
    "number": "1912200825",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10031 W ROOSEVELT RD STE 100",
            "city": "WESTCHESTER",
            "state": "IL",
            "postal_code": "601542669",
            "telephone_number": "847-931-1999",
            "fax_number": "847-931-1721"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2000 LARKIN AVE STE 203",
            "city": "ELGIN",
            "state": "IL",
            "postal_code": "601235878",
            "telephone_number": "847-931-1999",
            "fax_number": "847-931-1721"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MIDWEST ALLERGY INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2010-12-15",
        "last_updated": "2025-12-19",
        "certification_date": "2025-12-19",
        "status": "A",
        "authorized_official_last_name": "THOMAS-KATZ",
        "authorized_official_first_name": "VAL",
        "authorized_official_title_or_position": "BILLER",
        "authorized_official_telephone_number": "847-931-1999",
        "authorized_official_name_prefix": "Ms."
    },
    "taxonomies": [
        {
            "code": "207K00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Allergy & Immunology",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "207RA0201X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Allergy & Immunology",
            "state": "IL",
            "license": "036-050567",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "UPIN",
            "identifier": "D13901",
            "state": "IL"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "036-050567",
            "state": "IL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Michael J Riermaier MD JD SC
• Christopher S Michael, M.D.
• Nardeen Michael
• Piotr Michaliszyn, MD
• Morgan Michalowski
• Midwest Center for Womens Healthcare
• Midwest Health Professionals
• Midwest Imaging 1 Inc
• Midwest Oncology Hematology LTD
• Midwest Orthodontics Center of Elgin PC

• Allergy & Immunology Physician in Elgin, IL
• Providers in Elgin, IL by specialty
• Allergy & Immunology Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 19, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.