Individual provider Active NPI

Sidney K Harnetiaux Thurston, PA-C

  • Physician Assistant
  • Fairview Heights, IL
National Provider Identifier
1518751585
Registry record updated Sep 1, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
085011197 Issued in IL
Practice address
390 Office CT
Fairview Heights, IL 62208-2059
Phone
(618) 233-7666
NPI assigned
Apr 7, 2025
Last updated
Sep 1, 2025By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 1, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X 085011197 IL Primary

Addresses

Primary practice location

390 Office CT
Fairview Heights, IL 62208-2059

Mailing address

390 Office CT
Fairview Heights, IL 62208-2059
Phone (618) 233-7666

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
I20251127000031 IL Practitioner - Physician Assistant 3779075650 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2024
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Distinctive Dermatology LTDGroup PAC ID 1850365842, 8 clinicians

Practice addresses (Care Compare)

390 Office CT
Fairview Heights, IL 62208-2059
Phone (618) 233-7666

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
085011197ILMDPhysician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Distinctive Dermatologyltd CurrentSince Oct 1, 2025 Accepting new patients

Locations

390 Office Ct
Fairview Heights, IL 62208
Phone (618) 233-7666

1512 N Green Mount Rd
Ste 300
O Fallon, IL 62269
Phone (618) 632-5001

Interoperability endpoints

  • Direct secure messaging: sthurston@distinctivederm.emadirect.md

Organizations & group practices 1

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.

NPI Registry JSON

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

{
    "created_epoch": "1743984000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756684800000",
    "number": "1518751585",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "390 OFFICE CT",
            "city": "FAIRVIEW HEIGHTS",
            "state": "IL",
            "postal_code": "622082059",
            "telephone_number": "618-233-7666"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "390 OFFICE CT",
            "city": "FAIRVIEW HEIGHTS",
            "state": "IL",
            "postal_code": "622082059",
            "telephone_number": "618-233-7666"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "THURSTON",
        "first_name": "SIDNEY",
        "middle_name": "K HARNETIAUX",
        "credential": "PA-C",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2025-04-07",
        "last_updated": "2025-09-01",
        "certification_date": "2025-09-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "IL",
            "license": "085011197",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Fairview Heights, IL

Sources for this page

Verify at the official NPI Registry.