Individual provider Active NPI

Maria El Gemayel, MD

  • Gastroenterology Physician
  • Chicago, IL
National Provider Identifier
1306520309
Registry record updated Oct 28, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
036.177061 Issued in IL
Practice address
1740 W Taylor St
Chicago, IL 60612-7232
Phone
(866) 600-2273
NPI assigned
Jun 12, 2023
Last updated
Oct 28, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 28, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X 036.177061 IL Primary
Hepatology Physician 207RI0008X 036177061 IL
Transplant Hepatology Physician 207RT0003X 036177061 IL

Addresses

Primary practice location

1740 W Taylor St
Chicago, IL 60612-7232

Mailing address

740 W Fulton St Apt 1113
Chicago, IL 60661-1083
Phone (312) 678-1416

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20251009000307 IL Practitioner - Gastroenterology 5193222750 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Gastroenterology
Education
Other, 2009
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

1009 S Wood St
Chicago, IL 60612-3747
Phone (312) 355-4300

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy15
Upper gastrointestinal (GI) endoscopy for acid reflux16

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
036.177061ILMDGastroenterology Physician
036177061ILMDTransplant Hepatology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
The Board of Trustees of the University of Illinois CurrentSince Sep 8, 2025 Accepting new patients
The Board of Trustees of the University of Illinois Current Accepting new patients
The Board of Trustees of the University of Illinois Gastroenterology CurrentSince Sep 8, 2025 Accepting new patients
Board of Trustees of the University of Illinois Past Accepting new patients

Locations

1740 W Taylor St
Chicago, IL 60612
Phone (312) 355-4000

7732 Solution Ctr
Chicago, IL 60677
Phone (312) 355-4210

845 W Wilson Ave
Chicago, IL 60640
Phone (312) 744-1295

Interoperability endpoints

  • Direct secure messaging: melgemayel152008@uihealth.direct-ci.com

Organizations & group practices 4

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.

Hospital & facility affiliations 1

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

NPI Registry JSON

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

{
    "created_epoch": "1686528000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761609600000",
    "number": "1306520309",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "740 W FULTON ST APT 1113",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606611083",
            "telephone_number": "312-678-1416"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1740 W TAYLOR ST",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606127232",
            "telephone_number": "866-600-2273"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "EL GEMAYEL",
        "first_name": "MARIA",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-06-12",
        "last_updated": "2025-10-28",
        "certification_date": "2025-10-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "IL",
            "license": "036.177061",
            "primary": true
        },
        {
            "code": "207RI0008X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hepatology",
            "state": "IL",
            "license": "036177061",
            "primary": false
        },
        {
            "code": "207RT0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Transplant Hepatology",
            "state": "IL",
            "license": "036177061",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Chicago, IL

Sources for this page

Verify at the official NPI Registry.