Quick answers
- Which hospitals does Amber Ryan work at?
- Medicare's official clinician data lists Amber Ryan at 1 hospital: University of Michigan Health-Sparrow Carson. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Amber Ryan see patients?
- Medicare's clinician data lists 3 practice locations, including Greenville, MI and Carson City, MI. Call before your visit to confirm the address.
- What is Amber Ryan's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Amber Ryan accept Medicare assignment?
- Yes. Medicare's clinician data says Amber Ryan 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 Amber Ryan?
- (616) 754-7145, as listed in official Medicare / NPI Registry data.
- What is Amber Ryan's NPI number?
- 1003422676. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Amber Ryan works
Medicare's Facility Affiliation Data lists Amber Ryan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- University of Michigan Health-Sparrow CarsonCarson City, MI · Acute Care Hospital · CCN 230208
Practice locations
Addresses where Amber Ryan is enrolled with Medicare (CMS data updated 2026-10-02).
- 1014 E Washington StGreenville, MI 48838 (616) 754‑7145
- 245 S 2nd StCarson City, MI 48811
- 639 E Main St, Sparrow Medical Group Obgyn CarsonCarson City, MI 48811 (989) 584‑3107
Group practices
Medicare enrollment lists Amber Ryan as a member of this group (CMS data updated 2026-10-02).
- Sparrow Carson Hospital64 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.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1003422676 |
| 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