Quick answers
- Which hospitals does Charles Simonson work at?
- Medicare's official clinician data lists Charles Simonson at 1 hospital: West Jefferson Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Charles Simonson see patients?
- Medicare's clinician data lists 1 practice location in Marrero, LA. Call before your visit to confirm the address.
- What is Charles Simonson's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Charles Simonson accept Medicare assignment?
- Yes. Medicare's clinician data says Charles Simonson 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 Charles Simonson?
- (504) 347-5435, as listed in official Medicare / NPI Registry data.
- What is Charles Simonson's NPI number?
- 1376731588. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Charles Simonson works
Medicare's Facility Affiliation Data lists Charles Simonson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- West Jefferson Medical CenterMarrero, LA · Acute Care Hospital · CCN 190039
Practice locations
Addresses where Charles Simonson is enrolled with Medicare (CMS data updated 2026-10-02).
- 1255 Ave DMarrero, LA 70072 (504) 347‑5435
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Marrero
Clinicians with the same Medicare primary specialty in Marrero, LA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Tulane University School Of Medicine |
| Graduation year | 1974 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1376731588 |
| 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