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

Robert Knudson, MD

Individual provider Diagnostic Radiology Physician · NPI 1235170069

Robert Knudson, MD is a Diagnostic Radiology in Springfield, Illinois. Graduated from University of Illinois College of Med (CHI/PEOR/ROCK/Chm-Urb) in 1998, 28 years ago. Practices with Springfield Clinic, LLP, a 679-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
28
Trained at
University of Illinois College of Med (CHI/PEOR/ROCK/Chm-Urb)
Licensed in
IL
In the registry since
2006
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

1025 S 6th St
Springfield, IL 62703-2499
Phone: (217) 528-7541
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence 036109217 (IL)

Record details

NPI number1235170069
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 10, 2006
Last updated in NPPESAugust 22, 2022
Certification dateAugust 22, 2022
Mailing addressPo Box 19248, Springfield, IL 62794-9248

Medicare enrollment

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

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolUNIVERSITY OF ILLINOIS COLLEGE OF MED (CHI/PEOR/ROCK/CHM-URB)
Graduated 1998 (28 years in practice)
Group practice Springfield Clinic, Llp — 679 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations16 on file with Medicare

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