Quick answers
- Which hospitals does James S. Sim work at?
- Medicare's official clinician data lists James S. Sim at 3 hospitals: Baton Rouge General Medical Center, Ochsner Medical Center - Baton Rouge and Our Lady of the Lake Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does James S. Sim see patients?
- Medicare's clinician data lists 2 practice locations, including Baton Rouge, LA. Call before your visit to confirm the address.
- What is James S. Sim's specialty?
- Medicare lists Nephrology as the primary specialty.
- Does James S. Sim accept Medicare assignment?
- Yes. Medicare's clinician data says James S. Sim 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.
- Does James S. Sim offer telehealth?
- Medicare's clinician data says James S. Sim offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for James S. Sim?
- (225) 754-3278, as listed in official Medicare / NPI Registry data.
- What is James S. Sim's NPI number?
- 1578678405. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where James S. Sim works
Medicare's Facility Affiliation Data lists James S. Sim at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Baton Rouge General Medical CenterBaton Rouge, LA · Acute Care Hospital · CCN 190065
- Ochsner Medical Center - Baton RougeBaton Rouge, LA · Acute Care Hospital · CCN 190202
- Our Lady of the Lake Regional Medical CenterBaton Rouge, LA · Acute Care Hospital · CCN 190064
Practice locations
Addresses where James S. Sim is enrolled with Medicare (CMS data updated 2026-10-02).
- 16777 Medical Ctr DrBaton Rouge, LA 70816 (225) 754‑3278
- 5131 Odonovan Dr, Fl 1Baton Rouge, LA 70808 (225) 767‑4893
Group practices
Medicare enrollment lists James S. Sim as a member of these groups (CMS data updated 2026-10-02).
- Ochsner Clinic LLC2,864 clinicians in the group
- Renal Associates of Baton Rouge, LLC26 clinicians in the group
Specialties
- Nephrologyprimary
Other nephrologists in Baton Rouge
Clinicians with the same Medicare primary specialty in Baton Rouge, LA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Georgia School Of Medicine |
| Graduation year | 2005 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1578678405 |
| 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