Individual provider Active NPI

Jeffrey H Port, M.D.

  • Gastroenterology Physician
  • Oak Lawn, IL
National Provider Identifier
1285635987
Registry record updated Jun 6, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
036060518 Issued in IL
Practice address
9921 Southwest Hwy
Oak Lawn, IL 60453-3767
Phone
(708) 499-5678
NPI assigned
Aug 3, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 6, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X 036060518 IL Primary

Addresses

Primary practice location

9921 Southwest Hwy
Oak Lawn, IL 60453-3767

Mailing address

1111 W Vernon Park PL
Chicago, IL 60607-3424

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
I20050915000337 IL Practitioner - GastroenterologyPractitioner - Internal Medicine 7517990013 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
GastroenterologyAlso: Internal Medicine
Education
University of Illinois College of Med (CHI/Peor/Rock/CHM-Urb), 1977
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Gi Partners of Illinois PLLCGroup PAC ID 2567758295, 38 clinicians

Practice addresses (Care Compare)

1880 W Winchester Rd
Suite 201
Libertyville, IL 60048-5336
Phone (630) 952-1400

Hospital & facility affiliations

  • Silver Cross Hospital and Medical Centers Hospital, New Lenox, IL, CCN 140213

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy75
Upper gastrointestinal (GI) endoscopy for acid reflux61

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Gi Partners of Illinois, PLLC Gastroenterology CurrentSince Jan 1, 2017 Accepting new patients
Oak Lawn Endoscopy LLC PastSince Oct 18, 2002 Accepting new patients
Southwest Center for Gastroenterology Specialist Past Accepting new patients

Locations

4007 W 63rd St
Chicago, IL 60629
Phone (773) 767-2266

3815 Highland Ave
Downers Grove, IL 60515
Phone (630) 275-5900

1880 W Winchester Rd
Ste 201
Libertyville, IL 60048
Phone (847) 247-0187

678 Cedar Crossings Dr
New Lenox, IL 60451
Phone (708) 499-5678

9921 Southwest Hwy
Oak Lawn, IL 60453
Phone (708) 425-2552

Organizations & group practices 3

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.

Hospital & facility affiliations 2

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": "1123027200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1749168000000",
    "number": "1285635987",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1111 W VERNON PARK PL",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606073424"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9921 SOUTHWEST HWY",
            "city": "OAK LAWN",
            "state": "IL",
            "postal_code": "604533767",
            "telephone_number": "708-499-5678"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PORT",
        "first_name": "JEFFREY",
        "middle_name": "H",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-08-03",
        "last_updated": "2025-06-06",
        "certification_date": "2025-06-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "IL",
            "license": "036060518",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Oak Lawn, IL

Sources for this page

Verify at the official NPI Registry.