Individual provider Active NPI

Roman Dreyer, MD

  • Internal Medicine Physician
  • Aurora, IL
National Provider Identifier
1376576793
Registry record updated Jun 17, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
036-095066 Issued in IL
Practice address
4100 Healthway Dr
Aurora, IL 60504-4163
Phone
(630) 851-3105
NPI assigned
Jul 9, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 17, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 036-095066 IL Primary

Addresses

Primary practice location

4100 Healthway Dr
Aurora, IL 60504-4163

Mailing address

28594 Network PL
Chicago, IL 60673-1285

Other identifiers 1

IdentifierTypeStateIssuer
036095066MedicaidIL

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address rdreyer206442@direct.myadvocateaurora.org Direct
FHIR URL https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/

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
I20050624000541 IL Practitioner - Internal Medicine 5799720272 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
R Franklin University of Med & Sci/Chicago Medical School, 1994
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Advocate Health and Hospitals CorporationGroup PAC ID 7810800935, 3,081 clinicians

Practice addresses (Care Compare)

4100 Healthway Dr
Aurora, IL 60504-4163
Phone (630) 851-3105

Hospital & facility affiliations

  • Advocate Home Health Care Serv Home health agency, Oakbrook, IL, CCN 147150
  • DMJ Home Health Services, Inc Home health agency, Aurora, IL, CCN 147997
  • Advocate Good Samaritan Hospital Hospital, Downers Grove, IL, CCN 140288
  • Advocate Christ Hospital & Medical Center Hospital, Oak Lawn, IL, CCN 140208

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
036-095066ILMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Advocate Health and Hospitals Corporation CurrentSince Oct 1, 2022 Accepting new patients
Advocate Health and Hospitals Corporation CurrentSince Oct 1, 2022 Accepting new patients
Advocate Health and Hospitals Corporation Past Accepting new patients

Locations

4100 Healthway Dr
Aurora, IL 60504
Phone (630) 851-3105

1221 N Highland Ave
Aurora, IL 60506
Phone (630) 859-6700

2357 Sequoia Dr
Aurora, IL 60506
Phone (630) 859-6700

28594 Network Pl
Chicago, IL 60673

Interoperability endpoints

  • Direct secure messaging: rdreyer206442@direct.myadvocateaurora.org

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 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": "1152403200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750118400000",
    "number": "1376576793",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "28594 NETWORK PL",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606731285"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4100 HEALTHWAY DR",
            "city": "AURORA",
            "state": "IL",
            "postal_code": "605044163",
            "telephone_number": "630-851-3105"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DREYER",
        "first_name": "ROMAN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-09",
        "last_updated": "2025-06-17",
        "certification_date": "2025-06-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036-095066",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "036095066",
            "state": "IL"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "rdreyer206442@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "4100 Healthway Dr",
            "city": "Aurora",
            "state": "IL",
            "country_code": "US",
            "postal_code": "605044163",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "4100 Healthway Dr",
            "city": "Aurora",
            "state": "IL",
            "country_code": "US",
            "postal_code": "605044163",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Aurora, IL

Sources for this page

Verify at the official NPI Registry.