NPIMap

Individual provider Active NPI

Daniel J Grzegorek, D.O.

  • Internal Medicine Physician
  • Willowbrook, IL
National Provider Identifier
1487651337
Registry record updated Aug 8, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
036-089211 Issued in IL
Practice address
6733 Kingery Hwy
Willowbrook, IL 60527-5142
Phone
(630) 325-4049
NPI assigned
Jul 7, 2005
Last updated
Aug 8, 2023By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 8, 2023

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 036-089211 IL Primary

Addresses

Primary practice location

6733 Kingery Hwy
Willowbrook, IL 60527-5142

Mailing address

PO Box 713260
Chicago, IL 60677-1260
Phone (630) 469-9200

Other identifiers 1

IdentifierTypeStateIssuer
036089211MedicaidIL

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address dgrzegorek13429@direct.edward.org
Direct Messaging Address dgrzegorek13429@dulyhealthandcare.direct-ci.com

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20040403000087 IL Practitioner - Internal Medicine 0749273183 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Chicago College of Osteopathy, 1992
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Dupage Medical Group LTDGroup PAC ID 5496667941, 1,326 clinicians

Practice addresses (Care Compare)

1325 N Meacham Rd
Schaumburg, IL 60173-4824
Phone (630) 469-9200

17495 La Grange Rd
Tinley Park, IL 60487-7581
Phone (708) 226-7000

2100 Glenwood Ave
Joliet, IL 60435-5487
Phone (815) 725-2121

30 Stratford Dr
Bloomingdale, IL 60108-2201
Phone (630) 893-2210

40 S Clay St
Hinsdale, IL 60521-3257

430 Pennsylvania Ave
Glen Ellyn, IL 60137-4464
Phone (630) 469-9200

430 Warrenville Rd
Suite 210
Lisle, IL 60532-1348
Phone (630) 432-6180

6733 Kingery Hwy
Willowbrook, IL 60527-5142
Phone (630) 325-4049

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
036-089211ILMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Dupage Medical Group LTD CurrentSince Oct 1, 2011 Accepting new patients
Dupage Medical Group LTD CurrentSince Oct 1, 2011 Accepting new patients
Olympia Fields Internal Medicine Internal Medicine Past Accepting new patients

Locations

30 Stratford Dr
Bloomingdale, IL 60108
Phone (630) 893-2210

1860 Paysphere Cir
Chicago, IL 60674
Phone (630) 469-2000

6733 Kingery Hwy
Willowbrook, IL 60527
Phone (630) 325-4049

6900 S Madison St
Ste 103
Willowbrook, IL 60527
Phone (630) 323-9001

Interoperability endpoints

  • Direct secure messaging: dgrzegorek13429@direct.edward.org

Ownership & related parties

All facility ownership & control disclosures 1

Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.

FacilityTypeRoleSince
Residential HospiceLisle, IL, CCN 141655 Hospice Contracted Managing Employee Feb 13, 2020

Owned or controlled facilities with NPI records 1

Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.

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 9

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": "1120694400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1691452800000",
    "number": "1487651337",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 713260",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606771260",
            "telephone_number": "630-469-9200"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6733 KINGERY HWY",
            "city": "WILLOWBROOK",
            "state": "IL",
            "postal_code": "605275142",
            "telephone_number": "630-325-4049"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRZEGOREK",
        "first_name": "DANIEL",
        "middle_name": "J",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-07-07",
        "last_updated": "2023-08-08",
        "certification_date": "2023-08-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036-089211",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "036089211",
            "state": "IL"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "dgrzegorek13429@direct.edward.org",
            "affiliation": "N",
            "address_1": "6733 Kingery Hwy",
            "city": "Willowbrook",
            "state": "IL",
            "country_code": "US",
            "postal_code": "605275142",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "dgrzegorek13429@dulyhealthandcare.direct-ci.com",
            "affiliation": "N",
            "address_1": "6733 Kingery Hwy",
            "city": "Willowbrook",
            "state": "IL",
            "country_code": "US",
            "postal_code": "605275142",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Willowbrook, IL

Sources for this page

Verify at the official NPI Registry.