Active NPI
The Headache Lab
- General Practice Physician
- Evergreen Park, IL
On this page
Key facts
NPPES NPI Registry- Primary specialty
- General Practice Physician
- Legal business name
- THE HEADACHE LAB
- Doing business as
- The Headache Lab
- Practice address
- 9760 S Kedzie Ave Ste 2
Evergreen Park, IL 60805-3182 - Phone
- (708) 942-6869
- NPI assigned
- Jun 16, 2025
- Last updated
- Oct 8, 2025
- Organization subpart
- Yes
- Parent organization
- PARK PRIMARY CARE LTD
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- George Thomas, MD
- Title
- Owner
- Phone
- (630) 697-8620
Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| General Practice Physician | 208D00000X | Primary |
Addresses
Primary practice location
9760 S Kedzie Ave Ste 2
Evergreen Park, IL 60805-3182
Mailing address
9760 S Kedzie Ave Ste 2
Evergreen Park, IL 60805-3182
Phone (708) 942-6869
Other practice location 1
6321 Fairview Ave Ste B
Westmont, IL 60559-2886
Phone (708) 942-6869
Other names 1
- The Headache Lab
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in IL
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| O20051222000559 | IL | Part B Supplier - Clinic/Group Practice | 5698797256 |
Receives reassigned benefits from 12 practitioners 1 other NPI on this enrollment This NPI is an additional NPI on the enrollment Practice locations: Evergreen Park, IL |
Other NPIs on the same Medicare enrollment 1
NPIs listed together on one Medicare enrollment, typically parts of the same organization.
National Provider Directory
National Provider Directory- Part of
- Park Primary Care LTD
Locations
9760 S Kedzie Ave
Evergreen Pk, IL 60805
Phone (708) 423-2660
Ownership & related parties
Parent organization (reported in NPPES) 1
This organization reports itself as a subpart in NPPES; the parent’s legal name matches this organization in the same state.
-
- General Practice Physician
- Evergreen Park, IL
- NPI 1891984068
Practitioners & affiliated clinicians
Practitioners 11
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.
-
- Family Medicine Physician
- Evergreen Park, IL
- NPI 1073746046
-
- Physician Assistant
- Evergreen Park, IL
- NPI 1134639008
-
- Family Nurse Practitioner
- Evergreen Park, IL
- NPI 1437942448
-
- Physician Assistant
- Evergreen Park, IL
- NPI 1457894768
-
- Sports Medicine (Family Medicine) Physician
- Evergreen Park, IL
- NPI 1841587334
-
- Internal Medicine Physician
- Evergreen Park, IL
- NPI 1306836663
-
- Medical Physician Assistant
- Evergreen Park, IL
- NPI 1639842933
-
- Family Medicine Physician
- Chicago, IL
- NPI 1609815414
-
- Physician Assistant
- San Diego, CA
- NPI 1033580865
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1750032000000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1759881600000",
"number": "1801782057",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "9760 S KEDZIE AVE STE 2",
"city": "EVERGREEN PARK",
"state": "IL",
"postal_code": "608053182",
"telephone_number": "708-942-6869"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "9760 S KEDZIE AVE STE 2",
"city": "EVERGREEN PARK",
"state": "IL",
"postal_code": "608053182",
"telephone_number": "708-942-6869"
}
],
"practiceLocations": [
{
"address_1": "6321 Fairview Ave Ste B",
"address_purpose": "LOCATION",
"city": "Westmont",
"state": "IL",
"postal_code": "605592886",
"country_code": "US",
"telephone_number": "708-942-6869",
"fax_number": "708-423-8152",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"organization_name": "THE HEADACHE LAB",
"organizational_subpart": "YES",
"parent_organization_legal_business_name": "PARK PRIMARY CARE LTD",
"enumeration_date": "2025-06-16",
"last_updated": "2025-10-08",
"certification_date": "2025-10-08",
"status": "A",
"authorized_official_last_name": "THOMAS",
"authorized_official_first_name": "GEORGE",
"authorized_official_title_or_position": "OWNER",
"authorized_official_telephone_number": "630-697-8620",
"authorized_official_credential": "MD"
},
"taxonomies": [
{
"code": "208D00000X",
"taxonomy_group": "193400000X SINGLE SPECIALTY GROUP",
"desc": "General Practice",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"organization_name": "The Headache Lab",
"code": "3",
"type": "Doing Business As"
}
]
}
Other providers in Evergreen Park, IL
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 8, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.