Quick answers
- Which hospitals does William P. James work at?
- Medicare's official clinician data lists William P. James at 5 hospitals: Barnes Jewish Hospital, Barnes-Jewish West County Hospital, Memorial Hospital, Missouri Baptist Medical Center and St Lukes Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William P. James see patients?
- Medicare's clinician data lists 7 practice locations, including Saint Louis, MO and St Louis, MO. Call before your visit to confirm the address.
- What is William P. James's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does William P. James accept Medicare assignment?
- Yes. Medicare's clinician data says William P. James 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 P. James?
- (314) 362-7000, as listed in official Medicare / NPI Registry data.
- What is William P. James's NPI number?
- 1043304389. 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 P. James works
Medicare's Facility Affiliation Data lists William P. James at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Barnes Jewish HospitalSaint Louis, MO · Acute Care Hospital · CCN 260032
- Barnes-Jewish West County HospitalCreve Coeur, MO · Acute Care Hospital · CCN 260162
- Memorial HospitalBelleville, IL · Acute Care Hospital · CCN 140185
- Missouri Baptist Medical CenterSaint Louis, MO · Acute Care Hospital · CCN 260108
- St Lukes HospitalChesterfield, MO · Acute Care Hospital · CCN 260179
Practice locations
Addresses where William P. James is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 1 Barnes Jew Hosp PlzSaint Louis, MO 63110 (314) 362‑7000
- 12634 Olive BlvdSaint Louis, MO 63141 (314) 996‑8000
- 4500 Forest Park AveSaint Louis, MO 63108 (314) 362‑7111
- 510 S Kingshighway BlvdSaint Louis, MO 63110
- 510 S Kingshighway Blvd, Campus Box 8131St Louis, MO 63110
Group practices
Medicare enrollment lists William P. James as a member of this group (CMS data updated 2026-10-02).
- Washington University3,029 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Saint Louis
Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Missouri, Columbia School Of Medicine |
| Graduation year | 1993 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1043304389 |
| 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