DIANE SIERENS (M.D.) – Neurological Surgery Physician, NPI 1831127802
Neurological Surgery Physician
Main info
Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
328 NEUROSURGERY in IL
Provider Addresses for DIANE SIERENS (M.D.)
305 W Jackson St Ste 100
Carbondale, IL 629011474
Phone: (618) 351-4972
Fax: (618) 351-4973
Type: Location
2350, North Rockton Avenue, Rockford, Winnebago County, Illinois, 61103, United States
ROCKFORD, IL 611033600
Phone: (815) 971-7600
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $35.
Total Amount is formed as General ($35) + Research ($0) + Ownership ($0) = $35.
Last reported payment date: 2024-06-14 • Largest payer in this snapshot: Stryker Corporation ($35).
Total Amount
$35
General + Research + Ownership
Payments
2
Total payment records
General Amount
$35
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-06-14
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Stryker Corporation | $35 |
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: 2004-09-24
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Past revalidation due date
Earliest CMS due date was 2023-11-30 (926 days ago).
Enrollment records
1
Earliest due date
2023-11-30
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20040924001021 | I | Neurosurgery | IL | 2023-11-30 |
What to do next
- Verify current status on the CMS Revalidation Lookup Tool immediately.
- Complete revalidation in PECOS or contact your Medicare Administrative Contractor (MAC).
- Overdue revalidation can lead to deactivation of Medicare billing privileges.
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 62901)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| O P H T H A L M O L O G Y | IL | |
| Cardiac Electrophysiology, Cardiovascular Disease (Cardiology), Cardiovascular Disease (Cardiology) | MA | |
| - | IL | |
| - | IL | |
| O B S T E T R I C S/ G Y N E C O L O G Y | IL | |
| - | IL | |
| - | IL | |
| - | IL | |
| A N E S T H E S I O L O G Y | IL | |
| Physician Assistant | IL |
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