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Individual provider Active NPI

Brian Medernach, BRIAN MEDERNACH

  • Internal Medicine Physician
  • Lombard, IL
National Provider Identifier
1801050539
Registry record updated Apr 8, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
036.126376 Issued in IL
Practice address
1S072 Luther Ave
Lombard, IL 60148-4164
Phone
(630) 247-8877
NPI assigned
Jul 11, 2008
Last updated
Apr 8, 2026By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Apr 8, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 036.126376 IL Primary
Infectious Disease Physician 207RI0200X 036.126376 IL
Pediatrics Physician 208000000X 036.126376 IL

Addresses

Primary practice location

1S072 Luther Ave
Lombard, IL 60148-4164

Mailing address

1S072 Luther Ave
Lombard, IL 60148-4164
Phone (630) 247-8877

Other names 1

  • Brian Medernach Professional name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20111215000532 IL Practitioner - Internal MedicinePractitioner - Pediatric Medicine 6103091418 Reassigns benefits to 1 organization
I20260611000044 IL Practitioner - Infectious Disease 6103091418

Care Compare profile

Medicare Care Compare
Specialty
Internal MedicineAlso: Pediatric Medicine
Education
Loyola University of Chicago, Stritch School of Medicine, 2007
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Infectious Diseases Associates PCGroup PAC ID 1456320944, 4 clinicians

Practice addresses (Care Compare)

800 Biesterfield Rd
Elk Grove Village, IL 60007-3361
Phone (847) 981-3694

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of tissue275
Removal of skin lesions19

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
036.126376ILMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Id Associates Limited Single Specialty CurrentSince Jul 1, 2026 Accepting new patients
Infectious Diseases Associates, P.C. Single Specialty CurrentSince Aug 1, 2021 Accepting new patients
Travel Physicians, SC PastSince Aug 1, 2021 Accepting new patients

Locations

800 Biesterfield Rd
Ste 4011
Elk Grove Vlg, IL 60007
Phone (847) 981-3694

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 5

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": "1215734400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775606400000",
    "number": "1801050539",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1S072 LUTHER AVE",
            "city": "LOMBARD",
            "state": "IL",
            "postal_code": "601484164",
            "telephone_number": "630-247-8877"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1S072 LUTHER AVE",
            "city": "LOMBARD",
            "state": "IL",
            "postal_code": "601484164",
            "telephone_number": "630-247-8877"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MEDERNACH",
        "first_name": "BRIAN",
        "name_prefix": "Dr.",
        "credential": "BRIAN MEDERNACH",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2008-07-11",
        "last_updated": "2026-04-08",
        "certification_date": "2026-04-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036.126376",
            "primary": true
        },
        {
            "code": "207RI0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Infectious Disease",
            "state": "IL",
            "license": "036.126376",
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "IL",
            "license": "036.126376",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "BRIAN",
            "last_name": "MEDERNACH",
            "credential": "BRIAN MEDERNACH",
            "code": "2",
            "type": "Professional Name"
        }
    ]
}

Other providers in Lombard, IL

Sources for this page

Verify at the official NPI Registry.