Quick answers
- Which hospitals does Robert Knudson work at?
- Medicare's official clinician data lists Robert Knudson at 5 hospitals: Abraham Lincoln Memorial Hospital, Decatur Memorial Hospital, Jacksonville Memorial Hospital, Memorial Medical Center and Taylorville Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Robert Knudson see patients?
- Medicare's clinician data lists 16 practice locations, including Jacksonville, IL, Chatham, IL and Springfield, IL. Call before your visit to confirm the address.
- What is Robert Knudson's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Robert Knudson accept Medicare assignment?
- Yes. Medicare's clinician data says Robert Knudson accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Robert Knudson?
- (217) 243-6520, as listed in official Medicare / NPI Registry data.
- What is Robert Knudson's NPI number?
- 1235170069. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Robert Knudson works
Medicare's Facility Affiliation Data lists Robert Knudson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Abraham Lincoln Memorial HospitalLincoln, IL · Critical Access Hospital · CCN 141322
- Decatur Memorial HospitalDecatur, IL · Acute Care Hospital · CCN 140135
- Jacksonville Memorial HospitalJacksonville, IL · Critical Access Hospital · CCN 141352
- Memorial Medical CenterSpringfield, IL · Acute Care Hospital · CCN 140148
- Taylorville Memorial HospitalTaylorville, IL · Critical Access Hospital · CCN 141339
Practice locations
Addresses where Robert Knudson is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 16; the Medicare profile lists all.
- 1000 W Morton AveJacksonville, IL 62650 (217) 243‑6520
- 101 E Plummer BlvdChatham, IL 62629 (217) 483‑3487
- 1025 S 6th StSpringfield, IL 62703 (217) 528‑7541
- 134 W Adams StMorton, IL 61550 (309) 291‑3380
- 1600 W Walnut StJacksonville, IL 62650 (217) 245‑9541
Group practices
Medicare enrollment lists Robert Knudson as a member of this group (CMS data updated 2026-10-02).
- Springfield Clinic, LLP687 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Jacksonville
Clinicians with the same Medicare primary specialty in Jacksonville, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Illinois College Of Med (chi/peor/rock/chm-Urb) |
| Graduation year | 1998 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1235170069 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians