Quick answers
- Which hospitals does James J. Jeffries Ii work at?
- Medicare's official clinician data lists James J. Jeffries Ii at 2 hospitals: Henry Ford Health Hospital and Henry Ford Health West Bloomfield Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does James J. Jeffries Ii see patients?
- Medicare's clinician data lists 1 practice location in Detroit, MI. Call before your visit to confirm the address.
- What is James J. Jeffries Ii's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Hospitalist.
- Does James J. Jeffries Ii accept Medicare assignment?
- Yes. Medicare's clinician data says James J. Jeffries Ii 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 J. Jeffries Ii?
- (313) 916-2600, as listed in official Medicare / NPI Registry data.
- What is James J. Jeffries Ii's NPI number?
- 1649348186. 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 J. Jeffries Ii works
Medicare's Facility Affiliation Data lists James J. Jeffries Ii at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Henry Ford Health HospitalDetroit, MI · Acute Care Hospital · CCN 230053
- Henry Ford Health West Bloomfield HospitalW Bloomfield, MI · Acute Care Hospital · CCN 230302
Practice locations
Addresses where James J. Jeffries Ii is enrolled with Medicare (CMS data updated 2026-10-02).
- 2799 W Grand BlvdDetroit, MI 48202 (313) 916‑2600
Group practices
Medicare enrollment lists James J. Jeffries Ii as a member of this group (CMS data updated 2026-10-02).
- Henry Ford Health System2,570 clinicians in the group
Specialties
- Internal Medicineprimary
- Hospitalistalso
Other internal medicine doctors in Detroit
Clinicians with the same Medicare primary specialty in Detroit, MI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1988 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1649348186 |
| 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