Sidney K Harnetiaux Thurston, PA-C
Physician Assistant · Fairview Heights, IL
Sidney K Harnetiaux Thurston, PA-C is a physician assistant with a practice address in Fairview Heights, Illinois, and NPI 1518751585, issued on Apr 7, 2025. Check the license (Illinois 085011197, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sidney K Harnetiaux Thurston
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 085011197 IL
Self-reported in NPPES; status is on the state search - Practice location
- 390 Office CT, Fairview Heights, IL 62208
- Phone
- (618) 233-7666
- Enumerated
- Apr 7, 2025
- Record last updated
- Sep 1, 2025
- Medicare enrollment
- Enrolled (PECOS I20251127000031); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 390 Office CT
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stefanie Fischer, FNPFamily Nurse Practitioner1669358396
- Angela Sutton, D.O.Dermatology Physician1124361159
- Courtney Tobin, M.D.Dermatology Physician1134432065
Verify Sidney K Harnetiaux Thurston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 085011197Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Distinctive Dermatology LtdFairview Heights, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Physician Assistant providers in Illinois
There are 4,926 physician assistant records in Illinois.
All 4,926 in Illinois → Every provider in Fairview Heights →
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- Katheryn Abbott, PASchaumburg, IL1356842082
- Noor Abdelrahman, PA-CChicago, IL1851012413
- Amer Abdulghafoor, MSW, MS, PA-CChicago, IL1619401718
- Kazuko Abe, P.A.Chicago, IL1881840783
- Greta Abel, PA-CWheaton, IL1174844096
- Derrik AbellAnna, IL1821618471
- Jeanine Aberbook, PA-CChicago, IL1518664176
Common questions
What is Sidney K Harnetiaux Thurston, PA-C's NPI number?
Sidney K Harnetiaux Thurston, PA-C's National Provider Identifier (NPI) is 1518751585, issued on Apr 7, 2025. An NPI identifies a provider in billing; it is not a license.
Where is Sidney K Harnetiaux Thurston, PA-C located?
The NPPES record lists a practice address at 390 Office CT, Fairview Heights, IL, 62208. Phone: (618) 233-7666. Providers update this record themselves, so call before visiting.
How can I verify Sidney K Harnetiaux Thurston, PA-C's license?
NPPES lists Illinois license number 085011197, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.