Jack Leya, MD

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

036066173 Issued in IL

Practice address

2160 S First Ave
(Fahey BLDG., RM. 007)
Maywood, IL 60153

Phone

(708) 216-3307

Fax

(708) 216-4113

NPI assigned

Jan 13, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 1

Electronic endpoints 1

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

GastroenterologyAlso: Internal Medicine

Education

Other, 1981

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Freeport Regional Health Care FoundationGroup PAC ID 9234041682, 86 clinicians

Loyola University Medical CenterGroup PAC ID 3779488903, 917 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• FHN Memorial Hospital Hospital, Freeport, IL, CCN 140160
• Loyola University Medical Center Hospital, Maywood, IL, CCN 140276

Procedures performed for Medicare patients

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 and National Provider Directory roles.

• Freeport Regional Health Care Foundation

  • Family Medicine Physician
  • Freeport, IL
  • NPI 1457337016

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Loyola University Medical Center

  • General Practice Physician
  • Maywood, IL
  • NPI 1336159961
  Medicare reassignment Care Compare group
• Freeport Memorial Hospital

  • General Acute Care Hospital
  • Freeport, IL
  • NPI 1447228788
  Medicare reassignment NPD

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

• Freeport Memorial Hospital

  • General Acute Care Hospital
  • Freeport, IL
  • NPI 1447228788
  Care Compare affiliation
• Loyola University Medical Center

  • General Acute Care Hospital
  • Maywood, IL
  • NPI 1376521575
  Care Compare affiliation
• Loyola University Medical Center

  • General Acute Care Hospital
  • Tinley Park, IL
  • NPI 1427752013
  Care Compare affiliation

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

{
    "created_epoch": "1137110400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783555200000",
    "number": "1336128602",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2160 S 1ST AVE",
            "city": "MAYWOOD",
            "state": "IL",
            "postal_code": "601533328",
            "telephone_number": "708-216-3307",
            "fax_number": "708-216-4113"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2160 S FIRST AVE",
            "address_2": "(FAHEY BLDG., RM. 007)",
            "city": "MAYWOOD",
            "state": "IL",
            "postal_code": "60153",
            "telephone_number": "708-216-3307",
            "fax_number": "708-216-4113"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1045 W Stephenson St",
            "address_purpose": "LOCATION",
            "city": "Freeport",
            "state": "IL",
            "postal_code": "610324864",
            "country_code": "US",
            "telephone_number": "815-599-6000",
            "fax_number": "815-599-7974",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1036 W Stephenson St",
            "address_purpose": "LOCATION",
            "city": "Freeport",
            "state": "IL",
            "postal_code": "610324865",
            "country_code": "US",
            "telephone_number": "815-599-6000",
            "fax_number": "815-599-7974",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LEYA",
        "first_name": "JACK",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-01-13",
        "last_updated": "2026-07-09",
        "certification_date": "2026-07-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036066173",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "IL",
            "license": "036066173",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "36066173",
            "state": "IL"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jleya12437@direct.luhs.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "2160 S First Ave",
            "address_2": "(Fahey BLDG., rm. 007)",
            "city": "Maywood",
            "state": "IL",
            "country_code": "US",
            "postal_code": "60153",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Samuel Jacob Levin, MD
• John Levinson
• George Lew, MD PHD
• Bruce E Lewis, MD
• Ferdinand S Leya, MD
• Ge Li, MD, PH.D.
• Junping Li, M.D.
• Pulsar Li, DO
• Ruojia Debbie Li, MD
• Vivian Li, MD

• Gastroenterology Physician in Maywood, IL
• Providers in Maywood, IL by specialty
• Gastroenterology Physician in Illinois

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