Quick answers
- Does Roland Williby Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says Roland Williby Jr. accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Roland Williby Jr. see?
- In 2024, CMS data shows 11 Original Medicare patients and 18 services for Roland Williby Jr.. This counts Original Medicare only and measures volume, not quality.
- What is Roland Williby Jr.'s NPI number?
- 1235439514. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Roland Williby Jr., data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 11 |
|---|---|
| Services billed to Medicare | 18 |
| Different services or procedures | 8 |
| Participating Medicare provider | Yes |
| Average age of these patients | 66 |
Hospitals where Roland Williby Jr. works
Medicare's Facility Affiliation Data lists Roland Williby Jr. at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- OSF Sacred Heart Medical CenterDanville, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140093
Practice locations
Addresses where Roland Williby Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 611 W Park StUrbana, IL 61801 (888) 712‑2753
- 812 N Logan AveDanville, IL 61832 (217) 443‑5000
- 8600 State Route 91, Suite 130Peoria, IL 61615 (309) 683‑5050
Group practices
Medicare enrollment lists Roland Williby Jr. as a member of these groups (CMS data updated October 2, 2026).
- OSF Multi-Specialty Group2,114 clinicians in the group
- Carle Health Care Incorporated1,666 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Urbana
Clinicians with the same Medicare primary specialty in Urbana, IL — not a recommendation.
Other clinicians in OSF Multi-Specialty Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2006 (20 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1235439514 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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