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

Christopher M. Nielsen, MD

Individual provider Emergency Medicine Physician · NPI 1043280811

Christopher M. Nielsen, MD is an Emergency Medicine in Rockford, Illinois. Graduated from University of North Dakota School of Medicine in 1999, 27 years ago. Practices with Emergency Medicine Associates of Madison, SC, a 17-clinician group and accepts Medicare assignment. Licensed in Illinois and Wisconsin.

Years since qualifying
27
Trained at
University of North Dakota School of Medicine
Licensed in
IL, WI
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

5666 E State St
Rockford, IL 61108-2425
Phone: (815) 226-2000
Fax: (608) 826-2710
Show map & directions

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

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 036-126617 (IL)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 44558 (WI)

Record details

NPI number1043280811
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 25, 2006
Last updated in NPPESFebruary 10, 2011
Mailing address5666 East State Street, Rockford, IL 61108-2425

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolUNIVERSITY OF NORTH DAKOTA SCHOOL OF MEDICINE
Graduated 1999 (27 years in practice)
Group practice Emergency Medicine Associates Of Madison, Sc — 17 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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