Individual provider Active NPI

Timothy Lyons, FNP-BC

  • Nurse Practitioner
  • Warrenville, IL
National Provider Identifier
1164300026
Registry record updated Mar 3, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nurse PractitionerTaxonomy code 363L00000X
License
209.033046 Issued in IL
Practice address
4575 Weaver Pwky, Ste 200
Warrenville, IL 60555
Phone
(630) 717-2600
Fax
(630) 718-2608
NPI assigned
Aug 26, 2025
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 3, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Nurse Practitioner 363L00000X 209.033046 IL Primary

Addresses

Primary practice location

4575 Weaver Pwky, Ste 200
Warrenville, IL 60555

Mailing address

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

Other practice location 1

1555 N Barrington Rd
Hoffman Estates, IL 60169-1019
Phone (847) 843-2000

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address tlyons369793@dulyhealthandcare.direct-ci.com Direct

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: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20260204002644 IL Practitioner - Nurse Practitioner 5395224935 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2025
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Cepamerica Illinois LLPGroup PAC ID 3274793633, 492 clinicians
Dupage Medical Group LTDGroup PAC ID 5496667941, 1,326 clinicians

Practice addresses (Care Compare)

1555 Barrington Rd
Hoffman Estates, IL 60169-1019
Phone (847) 843-2000

1800 N Main St
Wheaton, IL 60187-3112
Phone (630) 665-6200

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

25 N Winfield Rd
Winfield, IL 60190-1222

40 S Clay St
Hinsdale, IL 60521-3257
Phone (630) 432-6848

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

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
209.033046ILMDNurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Dupage Medical Group LTD CurrentSince Mar 2, 2026 Accepting new patients
Cepamerica Illinois LLP CurrentSince Nov 19, 2025 Accepting new patients
Cepamerica Illinois LLP CurrentSince Nov 19, 2025 Accepting new patients
Dupage Medical Group LTD CurrentSince Mar 2, 2026 Accepting new patients

Locations

1601 Cummins Dr
Ste D
Modesto, CA 95358
Phone (510) 851-7423

3249 Oak Park Ave
Berwyn, IL 60402
Phone (708) 783-2696

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

1555 N Barrington Rd
Hoffman Estates, IL 60169
Phone (847) 490-2923

4575 Weaver Pkwy
Ste 200
Warrenville, IL 60555

25 N Winfield Rd
Ste 300
Winfield, IL 60190
Phone (630) 933-8100

Interoperability endpoints

  • Direct secure messaging: tlyons369793@dulyhealthandcare.direct-ci.com

Organizations & group practices 5

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.

NPI Registry JSON

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

{
    "created_epoch": "1756166400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772496000000",
    "number": "1164300026",
    "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": "4575 WEAVER PWKY, STE 200",
            "city": "WARRENVILLE",
            "state": "IL",
            "postal_code": "60555",
            "telephone_number": "630-717-2600",
            "fax_number": "630-718-2608"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1555 N Barrington Rd",
            "address_purpose": "LOCATION",
            "city": "Hoffman Estates",
            "state": "IL",
            "postal_code": "601691019",
            "country_code": "US",
            "telephone_number": "847-843-2000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LYONS",
        "first_name": "TIMOTHY",
        "credential": "FNP-BC",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2025-08-26",
        "last_updated": "2026-03-03",
        "certification_date": "2026-03-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "IL",
            "license": "209.033046",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "tlyons369793@dulyhealthandcare.direct-ci.com",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "4575 Weaver Pwky, Ste 200",
            "city": "Warrenville",
            "state": "IL",
            "country_code": "US",
            "postal_code": "60555",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Warrenville, IL

Sources for this page

Verify at the official NPI Registry.