Quick answers
- Does Isabel R. Butterfield accept Medicare assignment?
- Medicare's clinician data says Isabel R. Butterfield may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- What is Isabel R. Butterfield's NPI number?
- 1154035111. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Isabel R. Butterfield works
Medicare's Facility Affiliation Data lists Isabel R. Butterfield 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.
- Memorial Medical CenterSpringfield, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140148
- St Johns HospitalSpringfield, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140053
- University of Illinois Hospital and ClinicsChicago, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140150
Practice locations
Addresses where Isabel R. Butterfield is enrolled with Medicare (CMS data updated October 2, 2026).
- 2239 E Cook StSpringfield, IL 62703
Group practices
Medicare enrollment lists Isabel R. Butterfield as a member of this group (CMS data updated October 2, 2026).
- Central Counties Health Centers, Inc.16 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Springfield
Clinicians with the same Medicare primary specialty in Springfield, IL — not a recommendation.
Other clinicians in Central Counties Health Centers, Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| School | Southern Illinois University School Of Medicine |
|---|---|
| Graduation year | 2023 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1154035111 |
| 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
- 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