Joseph Clarence Marek, MD

Primary specialty

Cardiovascular Disease PhysicianTaxonomy code 207RC0000X

License

036059600 Issued in IL

Practice address

3825 Highland Ave
Tower 2 Suite 400
Downers Grove, IL 60515-1552

Phone

(630) 719-4799

NPI assigned

May 25, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 2

Electronic endpoints 2

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

Cardiovascular Disease (Cardiology)Also: Internal Medicine

Education

Loyola University of Chicago, Stritch School of Medicine, 1975

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Advocate Health and Hospitals CorporationGroup PAC ID 7810800935, 3,081 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Advocate Good Samaritan Hospital Hospital, Downers Grove, IL, CCN 140288
• Edward Hospital Hospital, Naperville, IL, CCN 140231
• Elmhurst Memorial Hospital Hospital, Elmhurst, IL, CCN 140200
• Morris Hospital & Healthcare Centers Hospital, Morris, IL, CCN 140101
• Northwestern Medicine Central Dupage Hospital Hospital, Winfield, IL, CCN 140242

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhirprd.edward.org/fhirprd/api/FHIR/R4/

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.

• Advocate Health and Hospitals Corporation

  dba Advocate Medical Group

  • Multi-Specialty Clinic/Center
  • Oak Brook, IL
  • NPI 1700824455
  Medicare reassignment Care Compare group NPD
• Edward Hospital

  • General Acute Care Hospital
  • Naperville, IL
  • NPI 1013969013
  Medicare reassignment NPD
• Midwest Heart Specialists, LTD

  • Cardiovascular Disease Physician
  • Downers Grove, IL
  • NPI 1417908765
  NPD (past) Authorized official
• Advocate Health and Hospitals Corporation

  dba Advocate Medical Group Midwest Heart Specialists

  • Cardiovascular Disease Physician
  • Downers Grove, IL
  • NPI 1285903849
  NPD
• Advocate Health and Hospitals Corporation

  dba Advocate Children's Hospital

  • Children's Hospital
  • Oak Lawn, IL
  • NPI 1508315516
  NPD
• Edward Hospital

  • Home Health Agency
  • Naperville, IL
  • NPI 1912930645

  Cardiovascular Disease

  NPD
• Edward Cardiovascular Institute

  • Cardiovascular Disease Physician
  • Naperville, IL
  • NPI 1649386400
  NPD (past)
• Edward Cardiovascular Institute

  • Cardiovascular Disease Physician
  • Yorkville, IL
  • NPI 1992806517
  NPD (past)

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

• Advocate Health and Hospitals Corporation

  dba Advocate Good Samaritan Hospital

  • General Acute Care Hospital
  • Downers Grove, IL
  • NPI 1578670543
  Care Compare affiliation
• Central Dupage Hospital Association

  dba Northwestern Medicine Central Dupage Hospital

  • General Acute Care Hospital
  • Winfield, IL
  • NPI 1003864810
  Care Compare affiliation
• Central Dupage Hospital Association

  dba Northwestern Medicine Central Dupage Hospital

  • Psychiatric Hospital Unit
  • Winfield, IL
  • NPI 1740230895
  Care Compare affiliation
• Edward Hospital

  dba Endeavor Health Edward Hospital

  • General Acute Care Hospital
  • Naperville, IL
  • NPI 1427069632
  Care Compare affiliation
• Elmhurst Memorial Hospital

  dba Endeavor Health Elmhurst Hospital

  • General Acute Care Hospital
  • Elmhurst, IL
  • NPI 1548306343
  Care Compare affiliation
• Morris Hospital

  dba Morris Hospital & Healthcare Centers

  • General Acute Care Hospital
  • Morris, IL
  • NPI 1649370057
  Care Compare affiliation

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

{
    "created_epoch": "1148515200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1744675200000",
    "number": "1548216302",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "29373 NETWORK PL",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606731293",
            "telephone_number": "847-390-5900"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3825 HIGHLAND AVE",
            "address_2": "TOWER 2 SUITE 400",
            "city": "DOWNERS GROVE",
            "state": "IL",
            "postal_code": "605151552",
            "telephone_number": "630-719-4799"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3743 Highland Ave Ste 1002",
            "address_purpose": "LOCATION",
            "city": "Downers Grove",
            "state": "IL",
            "postal_code": "605151594",
            "country_code": "US",
            "telephone_number": "630-719-4799",
            "fax_number": "630-785-2127",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1512 N Naper Blvd Ste 176",
            "address_purpose": "LOCATION",
            "city": "Naperville",
            "state": "IL",
            "postal_code": "605639369",
            "country_code": "US",
            "telephone_number": "630-527-2730",
            "fax_number": "630-527-2754",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MAREK",
        "first_name": "JOSEPH",
        "middle_name": "CLARENCE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-25",
        "last_updated": "2025-04-15",
        "certification_date": "2025-04-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "IL",
            "license": "036059600",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "036059600",
            "state": "IL"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "060015699",
            "state": null
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jmarek206404@direct.myadvocateaurora.org",
            "affiliation": "N",
            "address_1": "3743 Highland Ave Ste 1002",
            "city": "Downers Grove",
            "state": "IL",
            "country_code": "US",
            "postal_code": "605151594",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "3743 Highland Ave Ste 1002",
            "city": "Downers Grove",
            "state": "IL",
            "country_code": "US",
            "postal_code": "605151594",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Justin T Mao, MD
• Marc a Schneider, Psy D (Center for Effective Psychology)
• John Gerard Marchese, D.D.S
• Beverlee J Marcoski, OTR/L
• Margaret Mardis, MS LCPC
• Megan Rosemary Mareks
• Marianjoy at Providence Downer Grove
• Beth Ann Markese, OTR/L
• Danielle Markham, APN
• Marshal Medical Group PLLC

• Cardiovascular Disease Physician in Downers Grove, IL
• Providers in Downers Grove, IL by specialty
• Cardiovascular Disease Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 15, 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.