Doctor profile · Federal record
Dr. Diane Sierens, M.D.
Neurological Surgery Physician (CMS: Neurosurgery) · Rockford, IL
- NPI 1831127802
- Accepts Medicare
- MIPS 78.2 / 100 · 2023
- 32 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
2350 N Rockton Ave
Rockford, IL 611033600
(815) 971-7600 - Additional location
-
305 W Jackson St Ste 100
Carbondale, IL 629011474
(618) 351-4972
fax (618) 351-4973
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- March 6, 2026
- Year of graduation
- 1994 — 32 yrs since
- Specialty taxonomy
- 207T00000X — NUCC code
- State license (1)
- Illinois #036102651
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1831127802. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$35
Transactions
2
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Stryker Corporation | 2 | $35.03 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Diane Sierens's medical specialty?
Dr. Diane Sierens practices Neurological Surgery Physician in Rockford, IL.
Where does Dr. Diane Sierens practice?
Dr. Diane Sierens practices at 2350 N Rockton Ave, Rockford, IL 611033600. Office phone: 8159717600.
What is Dr. Diane Sierens's NPI?
Dr. Diane Sierens's National Provider Identifier (NPI) is 1831127802, issued by NPPES.
Does Dr. Diane Sierens accept Medicare assignment?
Yes. Dr. Diane Sierens accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.