Alex Thomas, M.D.

Primary specialty

Allergy PhysicianTaxonomy code 207KA0200X

License

336.135822 Issued in IL

Practice address

4014 N Central Ave
Chicago, IL 60634-1832

Phone

(773) 283-9594

Fax

(773) 283-6711

NPI assigned

Jul 24, 2007

Sex

Male

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 IL

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Allergy/ImmunologyAlso: Pediatric Medicine

Education

Rush Medical College of Rush University, 2007

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Interoperability endpoints

• FHIR API: https://fhir4.healow.com/fhir/r4/JEDIBA/Endpoint/JEDIBA

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.

• Center for Asthma & Allergy, SC

  • Allergy & Immunology Physician
  • Chicago, IL
  • NPI 1417351305
  Medicare reassignment
• Korathu Thomas, MD, S.C.

  • Infusion Therapy Clinic/Center
  • Chicago, IL
  • NPI 1962709253
  NPD (past)

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

{
    "created_epoch": "1185235200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762819200000",
    "number": "1265632574",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4014 N CENTRAL AVE",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606341832",
            "telephone_number": "773-283-9594",
            "fax_number": "773-283-6711"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4014 N CENTRAL AVE",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606341832",
            "telephone_number": "773-283-9594",
            "fax_number": "773-283-6711"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "520 E Northwest Hwy",
            "address_purpose": "LOCATION",
            "city": "Mount Prospect",
            "state": "IL",
            "postal_code": "600563306",
            "country_code": "US",
            "telephone_number": "847-255-3050",
            "fax_number": "773-283-6711",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "THOMAS",
        "first_name": "ALEX",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-07-24",
        "last_updated": "2025-11-11",
        "certification_date": "2025-11-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207KA0200X",
            "taxonomy_group": "",
            "desc": "Allergy & Immunology, Allergy",
            "state": "WI",
            "license": "53149",
            "primary": false
        },
        {
            "code": "207KA0200X",
            "taxonomy_group": "",
            "desc": "Allergy & Immunology, Allergy",
            "state": "IL",
            "license": "336.135822",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Julie Thomas-Lotterman
• Hailey Thomas-Turner
• Airriell Thomas, PSYD
• Akirah M Thomas
• Alana Thomas
• Alexandra Domas Thomas, M.ED,
• Alexandra Moran Thomas
• Alfonzo F Thomas, MPT
• Alisha Tawanda Thomas, MD
• Alvin G Thomas

• Allergy Physician in Chicago, IL
• Providers in Chicago, IL by specialty
• Allergy Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 11, 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.