Individual provider Active NPI

Mark Siegler

  • Internal Medicine Physician
  • Chicago, IL
National Provider Identifier
1407919913
Registry record updated Oct 24, 2022
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
036041806 Issued in IL
Practice address
5841 S Maryland Ave
Chicago, IL 60637-1443
Phone
(888) 824-0200
NPI assigned
Dec 18, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 24, 2022

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 036041806 IL Primary

Addresses

Primary practice location

5841 S Maryland Ave
Chicago, IL 60637-1443

Mailing address

150 Harvester Dr
Suite 300
Burr Ridge, IL 60527-5919

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address msieglermd23195@uchospital.direct-ci.com University of Chicago Physicians Group

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
I20060420000639 IL Practitioner - Internal Medicine 9335158211 Reassigns benefits to 1 organization

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
036041806ILMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
The University of Chicago Medical Center CurrentSince Jan 1, 1987 Accepting new patients
The University of Chicago Medical Center CurrentSince Jan 1, 1987 Accepting new patients

Locations

150 Harvester Dr
Ste 300
Burr Ridge, IL 60527
Phone (773) 702-1061

Organizations & group practices 2

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.

NPI Registry JSON

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

{
    "created_epoch": "1166400000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1666569600000",
    "number": "1407919913",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "150 HARVESTER DR",
            "address_2": "SUITE 300",
            "city": "BURR RIDGE",
            "state": "IL",
            "postal_code": "605275919"
        },
        {
            "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": "888-824-0200"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIEGLER",
        "first_name": "MARK",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-12-18",
        "last_updated": "2022-10-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036041806",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "msieglermd23195@uchospital.direct-ci.com",
            "affiliation": "Y",
            "affiliationName": "University of Chicago Physicians Group",
            "address_1": "5841 S Maryland Ave",
            "city": "Chicago",
            "state": "IL",
            "country_code": "US",
            "postal_code": "606371443",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Chicago, IL

Sources for this page

Verify at the official NPI Registry.