Quick answers
- Which hospitals does Ryan D. Hamby work at?
- Medicare's official clinician data lists Ryan D. Hamby at 2 hospitals: Sparrow Ionia Hospital and University of Michigan Health - West. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ryan D. Hamby see patients?
- Medicare's clinician data lists 3 practice locations, including Wyoming, MI and Ionia, MI. Call before your visit to confirm the address.
- What is Ryan D. Hamby's specialty?
- Medicare lists Gastroenterology as the primary specialty.
- Does Ryan D. Hamby accept Medicare assignment?
- Yes. Medicare's clinician data says Ryan D. Hamby 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 Ryan D. Hamby?
- (616) 252-5775, as listed in official Medicare / NPI Registry data.
- What is Ryan D. Hamby's NPI number?
- 1871793216. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ryan D. Hamby works
Medicare's Facility Affiliation Data lists Ryan D. Hamby 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 - WestWyoming, MI · Acute Care Hospital · CCN 230236
Practice locations
Addresses where Ryan D. Hamby is enrolled with Medicare (CMS data updated 2026-10-02).
- 2122 Health Dr SW, Suite 150Wyoming, MI 49519 (616) 252‑5775
- 3565 S State RdIonia, MI 48846 (616) 523‑1600
- 550 E Washington St Fl, 1 Sparrow Medical Group Gastroenterology IoIonia, MI 48846 (517) 253‑6320
Group practices
Medicare enrollment lists Ryan D. Hamby as a member of these groups (CMS data updated 2026-10-02).
- Metropolitan Hospital415 clinicians in the group
- Sparrow Ionia Hospital42 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Wyoming
Clinicians with the same Medicare primary specialty in Wyoming, MI — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Michigan State University College Of Osteopathic Medicine |
| Graduation year | 2007 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1871793216 |
| 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