Ariel Reuven Katz, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

036-114147 Issued in IL

Practice address

3134 N Clark St
Chicago, IL 60657-4414

Phone

(312) 296-5090

NPI assigned

Jul 5, 2006

Last updated

Jan 29, 2025By the provider in NPPES

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

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

Internal MedicineAlso: Hospitalist

Education

Rush Medical College of Rush University, 2001

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 Home Health Care Serv Home health agency, Oakbrook, IL, CCN 147150
• Advocate Illinois Masonic Medical Center Hospital, Chicago, IL, CCN 140182
• Northshore University Healthsystem - Evanston Hospital Hospital, Evanston, IL, CCN 140010
• Advocate Lutheran General Hospital Hospital, Park Ridge, IL, CCN 140223

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Advocate Health and Hospitals Corporation

  dba Advocate Medical Group

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

  dba John H. Stroger, Jr. Hospital of Cook County

  • General Acute Care Hospital
  • Chicago, IL
  • NPI 1588612832
  Medicare reassignment NPD
• Endeavor Health Medical Group

  dba NorthShore University HealthSystem Faculty Practice Associates

  • Emergency Medicine Physician
  • Evanston, IL
  • NPI 1497701882

  Internal Medicine

  Medicare reassignment NPD
• Advocate Health and Hospitals Corporation

  dba Advocate Children's Hospital

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

  dba Cook County Health & Hospitals System Physician Services

  • Emergency Medicine Physician
  • Chicago, IL
  • NPI 1821385170

  Internal Medicine

  NPD
• Cook County

  dba Bronzeville Health Center

  • Multi-Specialty Clinic/Center
  • Chicago, IL
  • NPI 1831219450
  NPD
• Endeavor Health Medical Group

  dba NorthShore Anesthesia Group

  • Anesthesiology Physician
  • Evanston, IL
  • NPI 1265695944
  NPD

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

• Advocate Health and Hospitals Corporation

  dba Advocate Lutheran General Hospital

  • General Acute Care Hospital
  • Park Ridge, IL
  • NPI 1164539730
  Care Compare affiliation
• Advocate North Side Health Network

  dba Advocate Illinois Masonic Medical Center

  • General Acute Care Hospital
  • Chicago, IL
  • NPI 1912014564
  Care Compare affiliation
• Ehs Home Health Care Service Inc

  dba Advocate Home Health Services

  • Home Health Agency
  • Oak Brook, IL
  • NPI 1598732075
  Care Compare affiliation
• Endeavor Health Clinical Operations

  dba Endeavor Health Evanston Hospital

  • General Acute Care Hospital
  • Evanston, IL
  • NPI 1184670549
  Care Compare affiliation

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

{
    "created_epoch": "1152057600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1738108800000",
    "number": "1245261684",
    "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": "3134 N CLARK ST",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606574414",
            "telephone_number": "312-296-5090"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KATZ",
        "first_name": "ARIEL",
        "middle_name": "REUVEN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-05",
        "last_updated": "2025-01-29",
        "certification_date": "2025-01-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036-114147",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "akatz312528@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "3134 N Clark St",
            "city": "Chicago",
            "state": "IL",
            "country_code": "US",
            "postal_code": "606574414",
            "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": "3134 N Clark St",
            "city": "Chicago",
            "state": "IL",
            "country_code": "US",
            "postal_code": "606574414",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Osama Kattih, M.D.
• Valerie M Kattouf, OD
• Katy Groves, PC
• Katz and Gershenzon, LTD
• Anita Shirley Katz, MSW/LCSW
• Ben Z Katz, MD
• David Oliver Katz
• Deborah Ann Katz, MD
• Eitan Katz
• Emily Katz

• Internal Medicine Physician in Chicago, IL
• Providers in Chicago, IL by specialty
• Internal Medicine Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 29, 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.