Quick answers
- Does Ellie A. Rudd accept Medicare assignment?
- Yes. Medicare's clinician data says Ellie A. Rudd 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.
- What is Ellie A. Rudd's NPI number?
- 1548795909. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ellie A. Rudd works
Medicare's Facility Affiliation Data lists Ellie A. Rudd 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.
- Sparrow Ionia HospitalIonia, MI · Critical Access Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 231331
- University of Michigan Health-Sparrow CarsonCarson City, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230208
Practice locations
Addresses where Ellie A. Rudd is enrolled with Medicare (CMS data updated October 2, 2026).
- 1014 E Washington StGreenville, MI 48838 (616) 754‑7145
- 550 E Washington StIonia, MI 48846
- 550 E Washington St Fl, 1 Sparrow Medical Group Gastroenterology IoIonia, MI 48846 (517) 253‑6320
- 639 E Main St, Sparrow Medical Group Obgyn CarsonCarson City, MI 48811 (989) 584‑3107
Group practices
Medicare enrollment lists Ellie A. Rudd as a member of these groups (CMS data updated October 2, 2026).
- Sparrow Carson Hospital64 clinicians in the group
- Sparrow Ionia Hospital42 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Greenville
Clinicians with the same Medicare primary specialty in Greenville, MI — not a recommendation.
Other clinicians in Sparrow Carson Hospital
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2017 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1548795909 |
| 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