Diane C. Nielsen, M.D.
Pediatrics Physician · Geneva, IL
Diane C. Nielsen, M.D. is a pediatrics physician with a practice address in Geneva, Illinois, and NPI 1134126949, issued on Jul 7, 2005. Check the license (Illinois 036084404, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Diane C. Nielsen
- Credential
- M.D.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- 036084404 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2800 Keslinger RD Ste 160, Geneva, IL 60134
- Phone
- (630) 232-7200
- Enumerated
- Jul 7, 2005
- Record last updated
- May 20, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (630) 232-2288
- Medicare enrollment
- Enrolled (PECOS I20230510003021); accepts Medicare assignment
- Medical or professional school
- Southern Illinois University School Of Medicine, 1989
- Entity
- Type 1 · individual
Also registered at 2800 Keslinger RD Ste 160
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sissay Anberber, MDPediatrics Physician1467613638
- Srisudha Gundala, M.D.Pediatrics Physician1679571236
- Anne Marie LillwitzNurse Practitioner1609041946
- Kelly McCurtain, CPNPNurse Practitioner1073850491
Verify Diane C. Nielsen 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 036084404Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Central Dupage Physician GroupWheaton, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Pediatrics Physician providers in Illinois
There are 3,176 pediatrics physician records in Illinois.
Other pediatrics physician records in Illinois
- Waleed Abbasi, M.D.Rockford, IL1487941969
- Aiah Abdel-AalChicago, IL1255115846
- Mahmoud Abdel-Ghani, MDSpringfield, IL1487495883
- Boraan Abdulkarim, MDMaywood, IL1700689379
- Lubna Abdullah, MDWheaton, IL1558504142
- Zainab Abdullah, M.D.Chicago, IL1356579650
- Sneha Abichandani, M.DChicago, IL1346505286
- Lynn Ables, MDWheaton, IL1285795989
- Emil Abraham, MDSpringfield, IL1396419768
- Rebecca AbrahamChicago, IL1154174209
Common questions
What is Diane C. Nielsen, M.D.'s NPI number?
Diane C. Nielsen, M.D.'s National Provider Identifier (NPI) is 1134126949, issued on Jul 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Diane C. Nielsen, M.D. located?
The NPPES record lists a practice address at 2800 Keslinger RD Ste 160, Geneva, IL, 60134. Phone: (630) 232-7200. Providers update this record themselves, so call before visiting.
How can I verify Diane C. Nielsen, M.D.'s license?
NPPES lists Illinois license number 036084404, 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.
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.