Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Diane C Nielsen, MD

Individual provider Pediatrics Physician · NPI 1134126949

Diane C Nielsen, MD is a Pediatric Medicine in Geneva, Illinois. Graduated from Southern Illinois University School of Medicine in 1989, 37 years ago. Practices with Central Dupage Physician Group, a 1,094-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
37
Trained at
Southern Illinois University School of Medicine
Licensed in
IL
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2800 Keslinger Rd Ste 160
Geneva, IL 60134-3753
Phone: (630) 232-7200
Fax: (630) 232-2288
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 302 Randall Rd, Geneva, IL 60134 — (630) 232-7200

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence 036084404 (IL)

Record details

NPI number1134126949
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 7, 2005
Last updated in NPPESMay 20, 2020
Certification dateMay 20, 2020

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPEDIATRIC MEDICINE
Medical schoolSOUTHERN ILLINOIS UNIVERSITY SCHOOL OF MEDICINE
Graduated 1989 (37 years in practice)
Group practice Central Dupage Physician Group — 1094 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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