Diane Sierens, M.D.
NPI 1831127802ActiveIndividual· Neurological Surgery· Rockford, IL
Neurological Surgery (M.D.) in Rockford, Illinois, trained at Rush Medical College of Rush University (class of 1994). Medicare paid $8,949 for services to 38 patients in 2024. Stryker Corporation reported $35.03 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1831127802 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 29, 2006 |
| Last updated in NPPES | Mar 6, 2026 |
| Certified by provider | Mar 6, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | 036102651 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Neurosurgery (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 38 |
|---|---|
| Services billed | 77 across 15 procedure codes |
| Paid by Medicare | $8,949 |
Education and affiliations
| Medical school | Rush Medical College of Rush University |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Neurosurgery |
Medical groups
- Cook CountyChicago, IL · 788 clinicians
- Southern Illinois Medical Services NfpCarterville, IL · 334 clinicians
Hospital affiliations
- Franciscan Health Olympia & Chicago HeightsOlympia Fields, IL
- John H Stroger Jr HospitalChicago, IL
- Memorial Hospital of CarbondaleCarbondale, IL
Industry payments (Open Payments)
- 2024$35.03 · 2 payments from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $35.03 | 2 |
What the 2024 payments were for
- Food and Beverage$35.03 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 19 neurosurgeons in Rockford · All neurosurgeons in Illinois