Quick answers
- Which hospitals does Christopher M. Ruthruff work at?
- Medicare's official clinician data lists Christopher M. Ruthruff at 2 hospitals: Edward W Sparrow Hospital and Sparrow Ionia Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Christopher M. Ruthruff see patients?
- Medicare's clinician data lists 2 practice locations, including Ionia, MI. Call before your visit to confirm the address.
- What is Christopher M. Ruthruff's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Christopher M. Ruthruff accept Medicare assignment?
- Yes. Medicare's clinician data says Christopher M. Ruthruff 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 Christopher M. Ruthruff?
- (517) 253-6320, as listed in official Medicare / NPI Registry data.
- What is Christopher M. Ruthruff's NPI number?
- 1831144179. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Christopher M. Ruthruff works
Medicare's Facility Affiliation Data lists Christopher M. Ruthruff at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Edward W Sparrow HospitalLansing, MI · Acute Care Hospital · CCN 230230
- Sparrow Ionia HospitalIonia, MI · Critical Access Hospital · CCN 231331
Practice locations
Addresses where Christopher M. Ruthruff is enrolled with Medicare (CMS data updated 2026-10-02).
- 550 E Washington StIonia, MI 48846
- 550 E Washington St Fl, 1 Sparrow Medical Group Gastroenterology IoIonia, MI 48846 (517) 253‑6320
Group practices
Medicare enrollment lists Christopher M. Ruthruff as a member of this group (CMS data updated 2026-10-02).
- Sparrow Ionia Hospital42 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Ionia
Clinicians with the same Medicare primary specialty in Ionia, MI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1997 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1831144179 |
| 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