SIDNEY K HARNETIAUX THURSTON (PA-C) – Physician Assistant, NPI 1518751585

SIDNEY K HARNETIAUX THURSTON (PA-C) is a healthcare provider. based in Fairview heights, Illinois. specializing in PHYSICIAN ASSISTANT. They hold the professional credentials PA-C. They hold a License No. 085011197 (IL). The NPI Number for SIDNEY K HARNETIAUX THURSTON (PA-C) is 1518751585

Main info

Female
Sole Proprietor
2 Years Of Experience
Accepts Medicare Assignment
Name
SIDNEY K HARNETIAUX THURSTON (PA-C)
NPI
1518751585
Phone
(618) 233-7666
Address
390 OFFICE CT
Enumeration Date
7 April 2025
Last Update Date
1 September 2025

Doctor Profile

Medical School Name
OTHER
Secondary Phone
6182337666
Graduation Year
2024 (2 years ago)
PAC ID
3779075650
Group Practice PAC ID
1850365842
Professional Enrollment ID
I20251127000031
Address ID
IL622082059FA390XXCTXX300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience26
Completeness85
Years active:1State licenses:1Digital endpointsOther names

5,035 PHYSICIAN ASSISTANT in IL

Provider Addresses for SIDNEY K HARNETIAUX THURSTON (PA-C)

  • 390 OFFICE CT

    FAIRVIEW HEIGHTS, IL 622082059

    Phone: (618) 233-7666

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2025-11-27

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20251127000031IPhysician AssistantILTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 62208)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 1850365842View full group profile
NameSpecialtyState
D E R M A T O L O G YMO
D E R M A T O L O G YMO
D E R M A T O L O G YIL
Nurse PractitionerIL
D E R M A T O L O G YIL
Nurse PractitionerIL
Physician AssistantIL

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Frequently asked questions

How do I look up SIDNEY K HARNETIAUX THURSTON (PA-C) by NPI?
Use NPI 1518751585 when you need to reference SIDNEY K HARNETIAUX THURSTON (PA-C) in forms, claims, or directories.
Is SIDNEY K HARNETIAUX THURSTON (PA-C) active in the national directory?
SIDNEY K HARNETIAUX THURSTON (PA-C)'s public NPI profile is in an active state.
What does SIDNEY K HARNETIAUX THURSTON (PA-C) treat or focus on?
Patients typically see SIDNEY K HARNETIAUX THURSTON (PA-C) under the specialty Physician Assistant. Clinical services aligned with this taxonomy classification.
What location shows for SIDNEY K HARNETIAUX THURSTON (PA-C)?
We surface Fairview Heights, Illinois for SIDNEY K HARNETIAUX THURSTON (PA-C) based on available NPPES addresses.
What if Fairview Heights, Illinois seems incomplete?
Street-level detail can be omitted — open the full address list for this NPI.

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