Quick answers
- Which hospitals does Aaron D. Massie work at?
- Medicare's official clinician data lists Aaron D. Massie at 3 hospitals: Mercy Health Saint Mary's, Spectrum Health and Trinity Health Muskegon Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Aaron D. Massie see patients?
- Medicare's clinician data lists 2 practice locations, including Grand Rapids, MI. Call before your visit to confirm the address.
- What is Aaron D. Massie's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Aaron D. Massie accept Medicare assignment?
- Yes. Medicare's clinician data says Aaron D. Massie 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 Aaron D. Massie?
- (616) 685-5907, as listed in official Medicare / NPI Registry data.
- What is Aaron D. Massie's NPI number?
- 1104189349. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Aaron D. Massie works
Medicare's Facility Affiliation Data lists Aaron D. Massie at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mercy Health Saint Mary'sGrand Rapids, MI · Acute Care Hospital · CCN 230059
- Spectrum HealthGrand Rapids, MI · Acute Care Hospital · CCN 230038
- Trinity Health Muskegon HospitalMuskegon, MI · Acute Care Hospital · CCN 230066
Practice locations
Addresses where Aaron D. Massie is enrolled with Medicare (CMS data updated 2026-10-02).
- 200 Jefferson Ave SEGrand Rapids, MI 49503 (616) 685‑5907
- 2080 44th St SE, Suite 120Grand Rapids, MI 49508 (616) 455‑4049
Group practices
Medicare enrollment lists Aaron D. Massie as a member of this group (CMS data updated 2026-10-02).
- Kent Radiology PC18 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Grand Rapids
Clinicians with the same Medicare primary specialty in Grand Rapids, MI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Wisconsin |
| Graduation year | 2012 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1104189349 |
| 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