Quick answers
- Which hospitals does Malcolm S. Trimble work at?
- Medicare's official clinician data lists Malcolm S. Trimble at 2 hospitals: Henry Ford Allegiance Health and Henry Ford Health Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Malcolm S. Trimble see patients?
- Medicare's clinician data lists 1 practice location in Jackson, MI. Call before your visit to confirm the address.
- What is Malcolm S. Trimble's specialty?
- Medicare lists Hematology as the primary specialty, and also Internal Medicine.
- Does Malcolm S. Trimble accept Medicare assignment?
- Yes. Medicare's clinician data says Malcolm S. Trimble 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 Malcolm S. Trimble?
- (517) 205-1594, as listed in official Medicare / NPI Registry data.
- What is Malcolm S. Trimble's NPI number?
- 1831164375. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Malcolm S. Trimble works
Medicare's Facility Affiliation Data lists Malcolm S. Trimble at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Henry Ford Allegiance HealthJackson, MI · Acute Care Hospital · CCN 230092
- Henry Ford Health HospitalDetroit, MI · Acute Care Hospital · CCN 230053
Practice locations
Addresses where Malcolm S. Trimble is enrolled with Medicare (CMS data updated 2026-10-02).
- 1100 E Michigan AveJackson, MI 49201 (517) 205‑1594
Group practices
Medicare enrollment lists Malcolm S. Trimble as a member of this group (CMS data updated 2026-10-02).
- W.A. Foote Memorial Hospital476 clinicians in the group
Specialties
- Hematologyprimary
- Internal Medicinealso
Other hematologists in Michigan
Clinicians with the same Medicare primary specialty in Michigan — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1984 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1831164375 |
| 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