Ayaz Yunus Gen, DO

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

036.171094 Issued in IL

Practice address

2751 W Winona St
Chicago, IL 60625-2508

Phone

(773) 878-8200

NPI assigned

Apr 16, 2021

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

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 Medicine

Education

Other, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Loyola Medical Group LLCGroup PAC ID 6305109547, 124 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Macneal Hospital Hospital, Berwyn, IL, CCN 140054

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

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 and National Provider Directory roles.

• Loyola Medical Group LLC

  • General Practice Physician
  • Berwyn, IL
  • NPI 1376041954
  Medicare reassignment Care Compare group NPD
• Loyola University Medical Center

  • General Practice Physician
  • Maywood, IL
  • NPI 1336159961
  Medicare reassignment NPD
• Loyola University Medical Center

  dba Mulcahy Pharmacy

  • Community/Retail Pharmacy
  • Maywood, IL
  • NPI 1184789299
  NPD

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

• Gottlieb Community Health Services Corporation

  dba MacNeal Hospital

  • General Acute Care Hospital
  • Berwyn, IL
  • NPI 1295710580
  Care Compare affiliation

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

{
    "created_epoch": "1618531200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782777600000",
    "number": "1508447061",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2751 W WINONA ST",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606252508",
            "telephone_number": "773-878-8200"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2751 W WINONA ST",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606252508",
            "telephone_number": "773-878-8200"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GEN",
        "first_name": "AYAZ",
        "middle_name": "YUNUS",
        "name_prefix": "Mr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-04-16",
        "last_updated": "2026-06-30",
        "certification_date": "2026-06-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036.171094",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Gema (Ballert Orthopedic)
• Gema, Inc (Ballert Orthopedic of Chicago)
• Alaina Gemelas, D.C.
• Rebecca Christy Gemperle, L.AC.
• Gemstone Wellness, Inc
• Sumaya Gen, OD
• Lesley Gena, LCPC
• Diane Ruth Genaze, P.T.
• Mary Gende
• Shimon Ariel Gendelman, LCPC

• 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 Jun 30, 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.