Quick answers
- Which hospitals does Wiley C. Fan work at?
- Medicare's official clinician data lists Wiley C. Fan at 1 hospital: Beaumont Hospital - Farmington Hills. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Wiley C. Fan see patients?
- Medicare's clinician data lists 3 practice locations, including Farmington Hills, MI. Call before your visit to confirm the address.
- What is Wiley C. Fan's specialty?
- Medicare lists Infectious Disease as the primary specialty, and also Internal Medicine.
- Does Wiley C. Fan accept Medicare assignment?
- Yes. Medicare's clinician data says Wiley C. Fan 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 Wiley C. Fan's NPI number?
- 1811939572. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Wiley C. Fan works
Medicare's Facility Affiliation Data lists Wiley C. Fan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Beaumont Hospital - Farmington HillsFarmington Hills, MI · Acute Care Hospital · CCN 230151
Practice locations
Addresses where Wiley C. Fan is enrolled with Medicare (CMS data updated 2026-10-02).
- 28050 Grand River AveFarmington Hills, MI 48336
- 28080 Grand River Ave, Suite 306nFarmington Hills, MI 48336
- 28100 Grand River AveFarmington Hills, MI 48336
Group practices
Medicare enrollment lists Wiley C. Fan as a member of this group (CMS data updated 2026-10-02).
- Beaumont Medical Group- Specialty Services847 clinicians in the group
Specialties
- Infectious Diseaseprimary
- Internal Medicinealso
Other infectious disease doctors in Farmington Hills
Clinicians with the same Medicare primary specialty in Farmington Hills, MI — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Michigan State University College Of Osteopathic Medicine |
| Graduation year | 1979 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1811939572 |
| 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