Quick answers
- Which hospitals does James R. Johnson work at?
- Medicare's official clinician data lists James R. Johnson at 4 hospitals: Beaumont Hospital - Dearborn, Beaumont Hospital - Taylor, Corewell Health Trenton Hospital and Wyandotte Hospital and Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does James R. Johnson see patients?
- Medicare's clinician data lists 1 practice location in Trenton, MI. Call before your visit to confirm the address.
- What is James R. Johnson's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does James R. Johnson accept Medicare assignment?
- Yes. Medicare's clinician data says James R. Johnson 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 James R. Johnson?
- (734) 362-7100, as listed in official Medicare / NPI Registry data.
- What is James R. Johnson's NPI number?
- 1316901754. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where James R. Johnson works
Medicare's Facility Affiliation Data lists James R. Johnson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Beaumont Hospital - DearbornDearborn, MI · Acute Care Hospital · CCN 230020
- Beaumont Hospital - TaylorTaylor, MI · Acute Care Hospital · CCN 230270
- Corewell Health Trenton HospitalTrenton, MI · Acute Care Hospital · CCN 230176
- Wyandotte Hospital and Medical CenterWyandotte, MI · Acute Care Hospital · CCN 230146
Practice locations
Addresses where James R. Johnson is enrolled with Medicare (CMS data updated 2026-10-02).
- 5400 Fort St, Suite 130Trenton, MI 48183 (734) 362‑7100
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Trenton
Clinicians with the same Medicare primary specialty in Trenton, MI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Des Moines University Of Osteopathic Medicine And Health Sciences |
| Graduation year | 1986 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1316901754 |
| 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