Diana Sieciechowicz, MD
Neurology with Special Qualifications in Child Neurology Physician · Winfield, IL
Diana Sieciechowicz, MD is a neurology with special qualifications in child neurology physician with a practice address in Winfield, Illinois, and NPI 1508192048, issued on Oct 18, 2009. Check the license (Illinois 125057110, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Diana Sieciechowicz
- Credential
- MD
- Primary taxonomy
- Neurology with Special Qualifications in Child Neurology Physician 2084N0402X
- License number
- 125057110 IL
Self-reported in NPPES; status is on the state search - Practice location
- 25 North Winfield Road, Winfield, IL 60190
- Phone
- (630) 933-6631
- Enumerated
- Oct 18, 2009
- Record last updated
- Sep 21, 2015 (not updated in 11 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest neurology with special qualifications in child neurology physician records → All 79 in Illinois → Look up another NPI →
Also registered at 25 North Winfield Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nicole Bettin, PT, DPTPhysical Therapist1326396854
- Elizabeth Binder, MOTR/LPediatric Occupational Therapist1649525361
- Patricia Brown, APN, FNP-BCNurse Practitioner1376960872
- Radha Chirumamilla, M.D.Internal Medicine Physician1649560129
- Youngran Chung, MDPediatric Pulmonology Physician1457328536
- Blanca Contreras, PHARM DPharmacist1154603280
Verify Diana Sieciechowicz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 125057110Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average neurology with special qualifications in child neurology physician in 2024
15 Medicare Part D claims, against an average of 278 among the 900 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Diana Sieciechowicz among 79 neurology with special qualifications in child neurology physician records in Illinois
Diana Sieciechowicz, MD is one of 79 neurology with special qualifications in child neurology physician records with a practice address in Illinois. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 54% of them.
- NPI issued2009 · 54% of these records are older, 41% newer
- In a Medicare fileYes · 61% of these records are
- In the CMS Doctors and Clinicians fileNo · 32% of these records are
- Record last updated2015 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0402X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology with Special Qualifications in Child Neurology Physician providers in Illinois
There are 79 neurology with special qualifications in child neurology physician records in Illinois.
All 79 in Illinois → Every provider in Winfield → Neurology with Special Qualifications in Child Neurology Physician nationwide →
The 8 neurology with special qualifications in child neurology physician records with the nearest ZIP codes
- Yolanda Holler-Managan, MDWinfield, IL 601901295769297
- Leslie Finkel, MDEvanston, IL 602011003140880
- Takijah Heard, MDEvanston, IL 602011952560492
- Margaret Michelson, M.D.Evanston, IL 602011619123114
- Mohammed Homsi, M.D.Hoffman Estates, IL 601691932272952
- Eugene Schnitzler, MDMaywood, IL 601531679515951
- Gaurav Yadava, M.D.Elmhurst, IL 601261194974600
- Rita Yadava, MDElmhurst, IL 601261760461867
Common questions
What is Diana Sieciechowicz, MD's NPI number?
Diana Sieciechowicz, MD's National Provider Identifier (NPI) is 1508192048, issued on Oct 18, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Diana Sieciechowicz, MD located?
The NPPES record lists a practice address at 25 North Winfield Road, Winfield, IL, 60190. Phone: (630) 933-6631. Providers update this record themselves, so call before visiting.
How can I verify Diana Sieciechowicz, MD's license?
NPPES lists Illinois license number 125057110, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Diana Sieciechowicz, MD prescribe under Medicare Part D?
In 2024, Diana Sieciechowicz, MD had 15 Medicare Part D claims; the average among neurology with special qualifications in child neurology physician prescribers was 278. Part D covers Medicare prescriptions 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.