Quick answers
- Which hospitals does Amy B. Jentz work at?
- Medicare's official clinician data lists Amy B. Jentz at 2 hospitals: Sparrow Ionia Hospital and University of Michigan Health-Sparrow Carson. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Amy B. Jentz see patients?
- Medicare's clinician data lists 4 practice locations, including Ionia, MI and Carson City, MI. Call before your visit to confirm the address.
- What is Amy B. Jentz's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does Amy B. Jentz accept Medicare assignment?
- Yes. Medicare's clinician data says Amy B. Jentz 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 Amy B. Jentz?
- (616) 523-1600, as listed in official Medicare / NPI Registry data.
- What is Amy B. Jentz's NPI number?
- 1831204601. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Amy B. Jentz works
Medicare's Facility Affiliation Data lists Amy B. Jentz at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Sparrow Ionia HospitalIonia, MI · Critical Access Hospital · CCN 231331
- University of Michigan Health-Sparrow CarsonCarson City, MI · Acute Care Hospital · CCN 230208
Practice locations
Addresses where Amy B. Jentz is enrolled with Medicare (CMS data updated 2026-10-02).
- 3565 S State RdIonia, MI 48846 (616) 523‑1600
- 401 E Elm StCarson City, MI 48811 (989) 584‑6217
- 401 E Elm St, Sparrow Medical Group General Surgery CarsoCarson City, MI 48811 (989) 584‑6217
- 406 E Elm StCarson City, MI 48811
Group practices
Medicare enrollment lists Amy B. Jentz as a member of these groups (CMS data updated 2026-10-02).
- Sparrow Carson Hospital64 clinicians in the group
- Sparrow Ionia Hospital42 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Michigan
Clinicians with the same Medicare primary specialty in Michigan — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Wisconsin |
| Graduation year | 2000 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1831204601 |
| 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