Mark Nathan Belkin, M.D.

Primary specialty

Advanced Heart Failure and Transplant Cardiology PhysicianTaxonomy code 207RA0001X

License

036145187 Issued in IL

Practice address

5841 S Maryland Ave RM A700
Chicago, IL 60637-1443

Phone

(773) 702-6840

Fax

(773) 702-2230

NPI assigned

Jun 11, 2015

Last updated

Jun 9, 2026By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

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

Advanced Heart Failure and Transplant CardiologyAlso: Cardiovascular Disease (Cardiology)

Education

Rush Medical College of Rush University, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

University of ChicagoGroup PAC ID 7719899426, shared by 2 NPIs, 1,674 clinicians

The University of Chicago Medical CenterGroup PAC ID 7618880766, 907 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• The University of Chicago Medical Center Hospital, Chicago, IL, CCN 140088
• Ingalls Memorial Hospital Hospital, Harvey, IL, CCN 140191
• Methodist Hospitals Inc Hospital, Gary, IN, CCN 150002
• Community Hospital Hospital, Munster, IN, CCN 150125
• Northwestern Memorial Hospital Hospital, Chicago, IL, CCN 140281

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mbelkinmd101195@uchospital.direct-ci.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• The University of Chicago Medical Center

  • General Acute Care Hospital
  • Chicago, IL
  • NPI 1033218128
  Medicare reassignment Care Compare group NPD
• University of Chicago

  • Urgent Care Clinic/Center
  • Chicago, IL
  • NPI 1477262046
  Medicare reassignment NPD
• University of Chicago

  • Multi-Specialty Clinic/Center
  • Chicago, IL
  • NPI 1821048786
  Medicare reassignment NPD
• The University of Chicago Medical Center

  dba UCMC Pharmacy Services

  • Community/Retail Pharmacy
  • Calumet City, IL
  • NPI 1255895678
  NPD

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

• Ingalls Memorial Hospital

  • General Acute Care Hospital
  • Harvey, IL
  • NPI 1598756686
  Care Compare affiliation
• Northwestern Memorial Hospital

  • General Acute Care Hospital
  • Chicago, IL
  • NPI 1497859649
  Care Compare affiliation
• The University of Chicago Medical Center

  • General Acute Care Hospital
  • Chicago, IL
  • NPI 1508956509
  Care Compare affiliation
• Munster Medical Research Foundation Inc

  dba Community Hospital

  • General Acute Care Hospital
  • Munster, IN
  • NPI 1003918210
  Care Compare affiliation
• The Methodist Hospitals, Inc

  • General Acute Care Hospital
  • Gary, IN
  • NPI 1467504555
  Care Compare affiliation

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

{
    "created_epoch": "1433980800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780963200000",
    "number": "1023499498",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "150 HARVESTER DR STE 300",
            "city": "BURR RIDGE",
            "state": "IL",
            "postal_code": "605275965"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5841 S MARYLAND AVE RM A700",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606371443",
            "telephone_number": "773-702-6840",
            "fax_number": "773-702-2230"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BELKIN",
        "first_name": "MARK",
        "middle_name": "NATHAN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2015-06-11",
        "last_updated": "2026-06-09",
        "certification_date": "2026-06-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RA0001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Advanced Heart Failure and Transplant Cardiology",
            "state": "IL",
            "license": "036145187",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Belk & Belk Incorporated NFP
• Belk & Belk Incorporated NFP (Pathways Therapeutic Day School)
• Alyssia Belk, M.ED
• Ashley Wynee Belk
• Carolyn Fay Belke, MS
• Steven Belknap, MD
• Vanessa Nicole Belknap, DO
• Kimberly R Bell Ijimakin, M.D.
• Bell Therapy LLC
• Tracey Bell-Hodgman, LCSW

• Advanced Heart Failure and Transplant Cardiology Physician in Chicago, IL
• Providers in Chicago, IL by specialty
• Advanced Heart Failure and Transplant Cardiology Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 9, 2026; 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.