Gabriel E Marrero Rivera

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

MT225105 Issued in PA

Practice address

200 Lothrop Street
Pittsburgh, PA 15213

Phone

(412) 647-8666

NPI assigned

Sep 8, 2016

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

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

Gastroenterology

Education

University of Puerto Rico School of Medicine, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

The Board of Trustees of the University of IllinoisGroup PAC ID 3072422716, 1,134 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• University of Illinois Hospital and Clinics Hospital, Chicago, IL, CCN 140150

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: gmarrerorivera18061@uihealth.direct-ci.com

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.

• The Board of Trustees of the University of Illinois

  • Anatomic Pathology Physician
  • Chicago, IL
  • NPI 1386863819
  Medicare reassignment Care Compare group NPD
• Board of Trustees of the University of Illinois

  • Pediatrics Physician
  • Peoria, IL
  • NPI 1467425322

  Internal Medicine

  NPD (past)

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

• The Board of Trustees of the University of Illinois

  • General Acute Care Hospital
  • Chicago, IL
  • NPI 1861431751
  Care Compare affiliation

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

{
    "created_epoch": "1473292800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761868800000",
    "number": "1447707229",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "E2 CHESTNUT HILL CAMBRIDGE PARK",
            "city": "SAN JUAN",
            "state": "PR",
            "postal_code": "00926"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "200 LOTHROP STREET",
            "city": "PITTSBURGH",
            "state": "PA",
            "postal_code": "15213",
            "telephone_number": "412-647-8666"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "E2 Chestnut Hill Cambridge Park",
            "address_purpose": "LOCATION",
            "city": "San Juan",
            "state": "PR",
            "postal_code": "00926",
            "country_code": "US",
            "telephone_number": "787-218-3018",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1009 S Wood St",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "60612",
            "country_code": "US",
            "telephone_number": "312-492-2706",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MARRERO RIVERA",
        "first_name": "GABRIEL",
        "middle_name": "E",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-09-08",
        "last_updated": "2025-10-31",
        "certification_date": "2025-10-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036153080",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "PA",
            "license": "MT225105",
            "primary": true
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "IL",
            "license": "036153080",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Marraccini Chiropractic Life Center P.C.
• David Joseph Marraccini Jr., DC
• Terry L Marraway
• Gerardo Anthony Marrazzo, M.D.
• Alejandro Roberto Marrero Gonzalez, MD
• Chelsea Lynn Marriott, BSN, RN
• Chelsea Marrone, LCSW
• Oscar C Marroquin, MD
• Abigail Marrow, RPH
• Barbara Marryshow, CRNA

• Gastroenterology Physician in Pittsburgh, PA
• Providers in Pittsburgh, PA by specialty
• Gastroenterology Physician in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 31, 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.