Individual provider Active NPI

Michael Siegel

  • Internal Medicine Physician
  • Chicago, IL
National Provider Identifier
1962089698
Registry record updated Jan 26, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
036.166346 Issued in IL
Practice address
1740 W Taylor St
Chicago, IL 60612-7232
Phone
(886) 600-2273
NPI assigned
Mar 27, 2021
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 26, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 036.166346 IL Primary

Addresses

Primary practice location

1740 W Taylor St
Chicago, IL 60612-7232

Mailing address

840 S Wood St
Chicago, IL 60612-4325

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
I20250203000658 IL Practitioner - Internal Medicine 0749684694 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Edward Via Col of Osteo Medicine-Carolinas Campus, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
The Board of Trustees of the University of IllinoisGroup PAC ID 3072422716, 1,134 clinicians

Practice addresses (Care Compare)

1740 W Taylor St
Mc693
Chicago, IL 60612-7232
Phone (312) 355-2759

Hospital & facility affiliations

  • University of Illinois Hospital and Clinics Hospital, Chicago, IL, CCN 140150

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
036.166346ILMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
The Board of Trustees of the University of Illinois CurrentSince Nov 25, 2024 Accepting new patients
The Board of Trustees of the University of Illinois Current Accepting new patients
The Board of Trustees of the University of Illinois CurrentSince Nov 25, 2024 Accepting new patients

Locations

845 W Wilson Ave
Chicago, IL 60640
Phone (312) 744-1295

7732 Solution Ctr
Chicago, IL 60677
Phone (312) 355-6290

1740 W Taylor St
Chicago, IL 60612
Phone (312) 355-4000

1740 W Taylor St
#693
Chicago, IL 60612
Phone (312) 355-2759

840 S Wood St
Chicago, IL 60612
Phone (312) 996-6711

Interoperability endpoints

  • Direct secure messaging: msiegel115445@uihealth.direct-ci.com

Organizations & group practices 3

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.

Hospital & facility affiliations 1

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1616803200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769385600000",
    "number": "1962089698",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "840 S WOOD ST",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606124325"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1740 W TAYLOR ST",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606127232",
            "telephone_number": "886-600-2273"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIEGEL",
        "first_name": "MICHAEL",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-03-27",
        "last_updated": "2026-01-26",
        "certification_date": "2026-01-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036.166346",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Chicago, IL

Sources for this page

Verify at the official NPI Registry.