Quick answers
- Which hospitals does William K. Fleming Iii work at?
- Medicare's official clinician data lists William K. Fleming Iii at 2 hospitals: Parkview Community Hospital Medical Center and Southern California Hospital at Hollywood. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William K. Fleming Iii see patients?
- Medicare's clinician data lists 1 practice location in Riverside, CA. Call before your visit to confirm the address.
- What is William K. Fleming Iii's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does William K. Fleming Iii accept Medicare assignment?
- Yes. Medicare's clinician data says William K. Fleming Iii 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 William K. Fleming Iii?
- (951) 352-5666, as listed in official Medicare / NPI Registry data.
- What is William K. Fleming Iii's NPI number?
- 1053522433. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where William K. Fleming Iii works
Medicare's Facility Affiliation Data lists William K. Fleming Iii at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Parkview Community Hospital Medical CenterRiverside, CA · Acute Care Hospital · CCN 050102
- Southern California Hospital at HollywoodHollywood, CA · Acute Care Hospital · CCN 050135
Practice locations
Addresses where William K. Fleming Iii is enrolled with Medicare (CMS data updated 2026-10-02).
- 3865 Jackson StRiverside, CA 92503 (951) 352‑5666
Group practices
Medicare enrollment lists William K. Fleming Iii as a member of this group (CMS data updated 2026-10-02).
- Riverside Emergency Physicians Medical Group24 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Riverside
Clinicians with the same Medicare primary specialty in Riverside, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Virginia Commonwealth University, School Of Medicine |
| Graduation year | 2005 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1053522433 |
| 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