Quick answers
- Which hospitals does Alex L. Pederson work at?
- Medicare's official clinician data lists Alex L. Pederson at 4 hospitals: Barnes Jewish Hospital, Mercy Hospital St Louis, Missouri Baptist Medical Center and St Lukes Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Alex L. Pederson see patients?
- Medicare's clinician data lists 2 practice locations, including Chesterfield, MO. Call before your visit to confirm the address.
- What is Alex L. Pederson's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Alex L. Pederson accept Medicare assignment?
- Yes. Medicare's clinician data says Alex L. Pederson 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 Alex L. Pederson?
- (314) 434-1500, as listed in official Medicare / NPI Registry data.
- What is Alex L. Pederson's NPI number?
- 1083143192. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Alex L. Pederson works
Medicare's Facility Affiliation Data lists Alex L. Pederson 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
- Mercy Hospital St LouisSaint Louis, MO · Acute Care Hospital · CCN 260020
- Missouri Baptist Medical CenterSaint Louis, MO · Acute Care Hospital · CCN 260108
- St Lukes HospitalChesterfield, MO · Acute Care Hospital · CCN 260179
Practice locations
Addresses where Alex L. Pederson is enrolled with Medicare (CMS data updated 2026-10-02).
- 232 S Woods Mill RdChesterfield, MO 63017 (314) 434‑1500
- 232 S Woods Mill Rd, St Lukes Hosp Radiology DeptChesterfield, MO 63017 (314) 434‑1500
Group practices
Medicare enrollment lists Alex L. Pederson as a member of these groups (CMS data updated 2026-10-02).
- Physician Specialists of St Lukes LLC82 clinicians in the group
- Diagnostic Imaging Associates Ltd19 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Chesterfield
Clinicians with the same Medicare primary specialty in Chesterfield, MO — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Kansas City University Of Med & Biosciences, College Of Osteo Med |
| Graduation year | 2017 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1083143192 |
| 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