Individual provider Active NPI

Stefan King, MD

  • Internal Medicine Physician
  • Chicago, IL
National Provider Identifier
1780394528
Registry record updated Jul 28, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
125.085481 Issued in IL
Practice address
5841 S Maryland Ave
Chicago, IL 60637-1443
Phone
(773) 702-6840
NPI assigned
Dec 2, 2022
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 28, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X
Internal Medicine Physician 207R00000X 125.085481 IL Primary

Addresses

Primary practice location

5841 S Maryland Ave
Chicago, IL 60637-1443

Mailing address

720 Westview Dr SW
Atlanta, GA 30310-1458

Other practice location 1

180 Harvester Dr Ste 110
Burr Ridge, IL 60527-6686
Phone (773) 702-1150

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20250704000187 IL Order and Referring Only - Internal MedicinePractitioner - Internal Medicine 3870007636

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
125.085481ILMDInternal Medicine Physician

NPI Registry JSON

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

{
    "created_epoch": "1669939200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753660800000",
    "number": "1780394528",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "720 WESTVIEW DR SW",
            "city": "ATLANTA",
            "state": "GA",
            "postal_code": "303101458"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5841 S MARYLAND AVE",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606371443",
            "telephone_number": "773-702-6840"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "180 Harvester Dr Ste 110",
            "address_purpose": "LOCATION",
            "city": "Burr Ridge",
            "state": "IL",
            "postal_code": "605276686",
            "country_code": "US",
            "telephone_number": "773-702-1150",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KING",
        "first_name": "STEFAN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-12-02",
        "last_updated": "2025-07-28",
        "certification_date": "2025-07-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "125.085481",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Chicago, IL

Sources for this page

Verify at the official NPI Registry.